Answer:
0.8N
Explanation:
your welcome:)
How would you use a diet diary or nutrition log to evaluate your eating habits?
Answer:
to see how much you are getting of something
Explanation:
Answer:
I would use it to track everything nutrition wise.
Explanation:
I would use it to track everything nutrition wise. Meaning that if I do anything that is in the process of eating or consuming food, I would log it down. A good example of what goes in a dietary log would be how much you ate, the amount of calories you ate, and occasionally the amount of serving you ate based off the recommended serving size. It should be important to keep a fitness log if you are interested in keeping a diet diary; to further track calories!
Hope this helps <3
Where are alkaline earth metals found on the periodic table? Group 1 Group 2 Groups 3–12 Group 17'
Answer:
B- Group 2... It says my answer is too short so how ya'll doing today?
Bird man is flying horizontally at a speed of 33m/s and a height of 86m. Bird man releases a turd directly above the start of the field. How far from the start of the field should the robot hold the bucket to catch the turd.
Answer:
2838
Explanation:
Think about the force that causes a planet to orbit the Sun and the direction of this
force. How does a puck swung by a string on the table relate to a planet orbiting the
Sun? What forces are acting on the puck and what forces are acting on the planet
Answer:
1) For the swung puck tied to the string that has a mass m₁ and having another mass m₂ attached to the string that passes through a hole in the table, such that m₂ > m₁
The swung puck rotating on the table is kept in the circular motion on the table by the centripetal force acting towards the center of its rotation along the string, which is given by the amount the weight of m₂ exceeds m₁, in the same way a planet moving around the Sun is kept in its orbit by the gravitational attraction between the planet and the Sun.
2) i) The forces acting on the puck are;
a) The centripetal force in the string, acting inward, towards the center of rotation provided by the weight of m₂
b) The centrifugal force of the puck, acting outward, tending to continue its motion in a straight line
ii) The forces acting on the planet are;
a) The force of gravitational attraction between the planet and the Sun, acting towards the Sun, such that, the planet revolves around the Sun
b) The centrifugal force of the planet, acting outward, tending to move in a linear or straight path
Explanation:
Forces on Puck Swung
Centrifugal Force (Outwards from puck swung )
Tension( Towards the center)
Forces on the Planet
Centrifugal Force (Outwards from Planets )
Gravitational Force ( Inwards towards Sun )
Let us suppose that the
The puck swung is connected with a center at a distance of radius r
so it is revolving around the point just like planets revolve around the Sun.
The Centrifugal Force and Gravitational Force causes the planetary motion around the sun.
The Centrifugal force is an outward force and is observed from the accelerated frame of reference , In our case Planet and puck swung are the accelerated frame of references.
The Gravitational Force between the Sun and the planets (directed towards Sun) is balanced by Centrifugal Force.
Let us consider that the string of puck swung has negligible mass
So the Tension which is directed towards the center will provide the force to counterbalance the centrifugal force acting on puck swung.
So Tension will act towards the center in case of puck swung and centrifugal force will act outwards.
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A robin flies a distance of 45963 cm. How far has it flown in kilometers?
Answer:
0.46km
Explanation:
45963cm/100cm=459.63m/1000m=0.45963 or 0.46km
A small chunk of wax floats if placed in water. If huge piece of wax that is as heavy as a
car, is placed in water, it will
At which point does the image appear?
W
X
Y
Z
A baseball bat strikes a baseball of mass that is at rest, and as a result the baseball files away from the bat. The kinetic energy gained by the
baseball as it leaves the bat is due to the
(A) loss of mass after the ball is hit.
(B) gain in potential energy as the ball rises to the peak of its trajectory
(C) loss of potential energy of the ball as it falls back to the ground
(D) work done by the bat on the ball
Answer:
The correct option is D
Explanation:
When an object at rest is acted upon by an external force, the motion gained (of the body) will proceed in the direction of the force. This is caused by the workdone by the bat on the ball. The motion gained mentioned earlier is the kinetic energy.
Kinetic energy can be described as the energy in a moving object.
Answer:
(D) work done by the bat on the ball
Explanation:
The principle of work-energy theorem, states that work done by the sum of all the forces acting on an object, is equal to the gain in the kinetic energy of the object.
When the baseball bat strikes the baseball which causes a displacement in the initial position of the baseball, work is said to be done which is equal to the change in the kinetic energy of the baseball.
Thus, The kinetic energy gained by the baseball as it leaves the bat is due to the work done by the bat on the ball.
Physics please help me.
Answer:
F = 780 [N]
Explanation:
To solve this problem we must use newton's second law which tells us that the sum of forces on a body must be equal to the product of mass by acceleration
ΣF =m*a
where:
F = force [N] (units of Newtons)
m = mass = 2600 [kg]
a = acceleration = 0.3 [m/s²]
F = 2600*0.3
F = 780 [N]
if a car has traveled 24km in 2 hours, what is the average speed?
Answer:
12
Explanation:
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I am the energy of moving electrons and magnetic interactions. What type of energy am I?|
am the
Answer:
Electrical energy
Explanation:
Electrical energy deals with magnetism and moving electrons
Answer: you are electrical energy
Explanation:
2. The word used to represent a chemical reaction is a/an a. Atom b. Formula O c. Equation d. Symbol
Answer:
A formula I am pretty sure
If no work is done, the total energy is not changed. In that situation, if the kinetic energy changes, what must happen to the potential energy?
Answer:
the potential energy will also change
Explanation:
kinetic energy and potential energy are inversely proportional to each other, so if kinetic energy changes, potential energy will also change..
A ball that is out of play is called a __________________. 2. Volleyballs are made out of __________________ material. 3. A __________________ occurs when the server steps on or over the end line. 4. Contact of the ball by a player is called __________________. 5. The __________________ decides who will serve and the choice of playing area.
Answer:
1) Deadball
2) Leather
3) Foot Fault
4) Pass
5) Captain
Explanation:
1) In most sports when a ball is out of play or termed temporarily unplayable, it is said to be a Deadball.
2) Volleyballs are generally made of leather materials be it synthetic or genuine leather.
3) In volleyball, when a server steps on or over the end line, it is called foot fault.
4) The first contact of a ball by a player after a serve from a passer is usually called a pass.
5) In volleyball, the referee issues a coin toss in presence of both captains and the captain with the winning toss is the one that makes the choice of play area and the first server.
A 1500 kg car starts from rest,
and rolls down a frictionless 5.09°
slope that is 17.5 m long. How
much time does it take to reach
the bottom?
(Unit = s)
The time taken for the heavy car to reach the bottom of the frictionless slope is 0.56 s.
Height of the slope
The height of the incline is calculated as follows;
sin θ = h/L
h = L sinθ
where;
L is length of slopeh is height of the slopeh = 17.5 x sin(5.09)
h = 1.55 m
Time of motion of the cart = √(2h/g)
where;
t is time of motiong is acceleration due to gravityt = √(2 x 1.55 /9.8)
t = 0.56 s
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Answer:
T= 6.34
Explanation:
This is the answer. This answer also works on acellus
Someone in a car going past you at the speed of 32 m/s drops a small rock from a height of 2 m. How far from the point of the drop will the rock hit the ground? the acceleration due to gravity is 9.8m/s^2. answer in units of m.
Answer:
The rock will hit the ground at 20.44 m from the point of the drop
Explanation:
Horizontal Motion
It occurs when an object is thrown horizontally from a height h at an initial speed v.
The range or maximum horizontal distance traveled by the object can be calculated as follows:
[tex]\displaystyle d=v\cdot\sqrt{\frac {2h}{g}}[/tex]
When the small rock is dropped from a car at speed v=32 m/s, it starts a curved path that ends up when the rock hits the ground. The height is h=2 m, thus the range is:
[tex]\displaystyle d=32\cdot\sqrt{\frac {2\cdot 2}{9.8}}[/tex]
[tex]\displaystyle d=32\cdot\sqrt{0.4082}[/tex]
[tex]d=20.44\ m[/tex]
The rock will hit the ground at 20.44 m from the point of the drop
what is the peacocks displacement from 2 to 3 seconds
Which type of carbohydrate is the body unable to digest, but is still important for lowering cholesterol, balances glucose levels, and helps prevent overeating.
Answer:
Cellulose
Explanation:
Cellulose is the carbohydrate which is unable to be digested by body. Adding fiber's (cellulose) to one's diet reduces blood cholesterol level because soluble fiber dissolves in water to form a gel, which moves slowly through the intestines binding up fat, dietary cholesterol, bile salts, and sugar to be excreted. Once excreted, these are no longer available to build more cholesterol. Also cellulose remains undigested but is effectively making one gain more calories, so it helps prevents over eating.
The distance recorded for riding a motorcycle on its rear wheel without stopping is more than 320 km! Suppose the rider in this impressive position is traveling with an initial velocity of 8.0 m/s before accelerating. Then the rider travels 40.0 m at a constant acceleration of 2.00 m/s2. What is the rider's velocity after the acceleration?
Answer:
14.97m/sExplanation:
Given
Initial velocity of the car u = 8m/s
Distance travelled by the rider S = 40m
Acceleration a = 2m/s²
Required
rider's velocity after the acceleration v
Using the equation of motion
v² = u²+2as
v² = 8²+2(2)(40)
v² = 64+160
v² = 224
v = √224
v = 14.97m/s
Hence the rider's velocity after the acceleration is 14.97m/s
A Boy has a ball and throws it straight up into the air with an initial velocity of 6 m/s. Calculate the maximum height of the ball and the time the ball is in the air.
Answer:
i. 1.84 m
ii. The ball's time in the air is 1.23s.
Explanation:
The ball moves upward (against the gravitational pull) with an initial velocity of 6 m/s.
I. Applying the third equation of free fall, the maximum height is;
[tex]V^{2}[/tex] = [tex]U^{2}[/tex] - 2gs
where the variables have there usual meaning.
[tex]V^{2}[/tex] = 0 m/s, [tex]U^{2}[/tex] = 6 m/s, g = 9.8 m/[tex]s^{2}[/tex].
0 = [tex]6^{2}[/tex] - 2 x 9.8 x s
0 = 36 - 19.6s
⇒ 19.6s = 36
s = [tex]\frac{36}{19.6}[/tex]
= 1.8367
= 1.84 m
The maximum height of the ball is 1.84 m.
II. The time the ball was in air can be determined by,
time of flight, T = [tex]\frac{2USin A}{g}[/tex]
where U is the initial velocity of the ball, A is the angle of projection and g is the acceleration due to gravity.
U = 6 m/s, A = [tex]90^{o}[/tex] (since the ball is thrown vertically upward), and g = 9.8 m/[tex]s^{2}[/tex].
T = [tex]\frac{2 *6 Sin90^{o} }{9.8}[/tex]
= [tex]\frac{12}{9.8}[/tex]
= 1.2245
T = 1.23s
The ball's time in the air is 1.23s.
Which of the following best describes a hypothesis?
O A. A question that scientists study
B. A possible answer to a scientific question
C. An explanation supported by many observations
O D. A list of scientific data
Answer:
B. A possible answer to a scientific question
Explanation:
It's usually a possible or testable explanation made on the basis of limited evidence as a starting point for further investigation.
A jogger takes five minutes to run a distance of three kilometres. His speed, in metres per second, is approximately A) 5.5 M/S B) 10 M/S C) 36 M/S D) 4.5 M/S
Answer:
His speed, in metres per second, is approximately 10m/s. The correct option is B.
Explanation:
Speed is defined as the rate in which an object cover a distance in a given time. It is measured in meters per second ( m/s). From the question, the jogger covered a distance of 3Km which when converted to meter is 3000meters in a given time 5 minutes which is 300seconds. The calculation of his speed in meter per second is shown below:
Distance= 3Km to meters ( as 1000meters = 1Km). Therefore 3× 1000 = 3000m
Time= 5 minutes to seconds ( as 1 minute = 60 Seconds). Therefore 5× 60= 300.
Speed= distance/ time
= 3000/300
= 10m/s
Therefore his speed, in metres per second, is approximately 10.
What is another example of convection?
(A) A heater in a fish tank the bottom of the tank
(B) Batteries in a flashlight converting chemical energy into light
(C) Touching a stove and burning your hand
(D) Warming up next to a fire on a cold night
Answer: The answer is c!
A heater in a fish tank warming the water at the bottom of the tank is an another example of convection.
What is convection of heat?Convection, which is the extensive movement of molecules within gases and liquids, is the mechanism through which heat is transported. Although most of the heat transfer occurs as a result of fluid motion, conduction is initially employed to transfer heat from the item to the fluid.
As a result of material movement, heat is transmitted through fluids by convection.Both gases and liquids can contain it.It might be forced or organic.It is important to transfer part of the fluid in bulk.Convection is therefore demonstrated by a heater in a fish tank warming the water at the tank's bottom.
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The number of waves that pass a given point in a second is___.
1- amplitude
2- wavelength
3- frequency
4- wave speed
Answer:
Frequency
Explanation:
The frequency ( ) of a wave is the number of waves passing a point in a certain time.
know the types of peer pressure describe all of them
Answer:
Spoken Peer Pressure
Positive Peer Pressure
Direct Peer Pressure
Negative Peer Pressure
Positive Peer Pressure
Unspoken Peer Pressure
Indirect Peer Pressure
Sorry this is all I know
Hope this Helps!
what can i do to recycle?
Answer:
You could throw away the following items:
Mixed paper: Newspaper, magazine, junk mail, cardboard, frozen food packaging, wrapping paper, paper bags, etc.
Cans: aluminum, foil, tin, steal, aerosol (empty without pressure) and metal food trays. ...
Unbroken glass: Wine bottles, bottles and jars.
Plastic: Rigid containers like milk jugs, shampoo or water bottles.
Hope this helped
A car’s velocity changes from 35 m/s to stopped in 13 seconds. Calculate
acceleration.
Click to review the online content. Then answer the question(s) below, using complete sentences. Scroll down to view additional questions.
Online Content: Site 1
Fitness Log
What are the advantages of strength exercises? (Site 1)
Strength training may help you control or lose weight. Strength exercise boosts your metabolism and burns more calories.
What is a strength exercise?Strength training is essential for increasing flexibility, mobility, performance, and injury prevention. you don't need to spend hours at the gym to see results.
In the comfort of your own home, we'll teach you the fundamentals of strength training. A full-body strength-building workout will take only nine minutes of effort. Grab a towel and prepare to feel powerful.
The advantages of strength exercises will be as follows;
1. Strength training may help you control or lose weight,
2. Strength exercise boosts your metabolism and burns more calories.
3. Improve your quality of life and your capacity to do daily tasks.
4. Strength exercise can also help to keep your joints healthy.
Hence strength training may help you control or lose weight. Strength exercise boosts your metabolism and burns more calories.
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Answer:
Other one is wrong, this one I got 100% on.
Explanation:
Protection – Protect the wounded area with a support or something similar. this means after an injury has happened, use tools or simple objects to cover and protect the injury so nothing else can harm or get into the injury.
Rest – Do not continue to exercise while your wound is healing. It may take a few weeks or months to recover. You may need crutches or a sling. This means take the time to give your body the rest and relaxation it needs in order to be strong and healthy again.
Ice – Wrap a bag of ice or a bag of frozen peas in a towel and apply it to the wounded area for 15–20 minutes every two to three hours. As it states, ice can help recover an injury or make the swelling and pain go away, this will also help you stay relaxed and calm
Compression – Apply elastic compression bandages to the wounded area during the day to reduce swelling. Compression greatly helps stop any blood or fluid from leaving the body, using the compression method closes an open wound and uses pressure to keep the wound closed
Elevation – Make sure the injured body part is elevated above the height of your heart as much as possible to help reduce swelling. This is also important, elevation helps keep swelling down and help keeps unwanted blood out of the wound
the traits of friends
Answer:
someone you trust the most
Explanation:
Convert 93.6 miles per hour. Convert this to kilometers per hour.
Answer:
150.6 km
Explanation:
One mile is about 1.61 km so multiply 93.6 by 1.6 which gives you above 150.6