Answer:
The Femur and the Tibia
the secondary atmosphere of the earth was composed mainly of
an object at rest has no ________ energy, but it may have ________ energy resulting from its location or structure.
Answer: first blank: kinetic
Second blank: potential
Explanation:
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A force unit is defined as the product of a mass unit and a unit of
acceleration.
time.
velocity.
displacement.
Answer:
A force unit is defined as the product of a mass unit and a unit of acceleration.
Answer:
Force can be defined as a push or a pull that changes or tends to change the state of rest or uniform motion of an object or changes the direction or shape of an object.
Explanation:
Force = M (Mass) * A (Acceleration)
The SI unit of Mass = KG
S.I. unit of acceleration is m/sec/sec = m/sec2
Hence, Unit of force is Kg m/Sec2
Since force is used so often, S. I. gives this unit a special name:
1 Newton = 1 kg m/sec2
What is downward force that acts on an airplane in flight
Answer:
重力
Explanation:
这是正确的答案还是不是
how can you reduce the percentage uncertainty in measurements that you make?
the circular disk rotates about its center. for the instant represented, the magnitude of velocity of a is 8 ft/s and the magnitude of tangential acceleration of b is 9 ft/s2. what is the magnitude of the acceleration of point a?
Answer:ddddddddddddddd
Explanation:
light travels 3,00,000 km/s. Is it velocity or speed?
Hello there I hope you are having a great day :)
Your Question, light travels 3,00,000 km/s. Is it velocity or speed?
The answer would be speed,
Hopefully that helps you :)
How does the spring constant influence the displacement? Do they increase or decrease together?
Trial No. Applied Force (N) Displacement is attached (m)
1. 50 N 0.500m
2. 50 N 0.167m
3. 50 N 0.100m
4. 50 N 0.071m
Explanation:
I have asked question in my profile please tell me the answer
online masses every 8 a.m. and 2:00 p.m. will continue
online is hard toooooooooo
The horizontal surface on which the block of mass 2.2 kg slides is frictionless. The force of 27 N acts on the block in a horizontal direction and the force of 81 N acts on the block at an angle as shown below is the magnitude of the resulting ac celeration of the block? The acceleration of gravity is 9.8 m/s ^ 2
The magnitude of the resulting acceleration of the block is 6.14 m/s².
The given parameters;
mass of the block, m = 2.2 kghorizontal force on the block, F = 27 Nforce below the horizontal, 81 N at 60⁰The net horizontal force on the block is calculated as follows;
[tex]F_x = 27 \ - 81 \times cos (60)\\\\F_x = -13.5 \ N[/tex]
The acceleration of the block is calculated as follows;
[tex]a = \frac{-13.5}{2.2} \\\\a = - 6.14 \ m/s^2\\\\a = 6.14 \ m/s^2 \ to \ the \ left[/tex]
Thus, the magnitude of the resulting acceleration of the block is 6.14 m/s².
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A object was fired at 17ms at 40 degree angle horizontal , if object traveled 29meters how long was it in the air
A ball is thrown upward with an initial velocity of 22.0 m/s. If
the gravitational acceleration is –9.81 meters per second
squared, what is the maximum height the ball will reach?
Select one:
2.24 m.
24.7 m.
4.48 m.
49.4 m.
The maximum height reached by the ball during the upward motion is 24.7 m.
The given parameters;
initial velocity of the ball, u = 22 m/sThe maximum height reached by the ball is determined using the third kinematic equation as shown below;
v² = u² - 2gh
where;
v is the final velocity of the ball at the maximum height = 0h is the maximum height attained by the ball0 = u² - 2gh
2gh = u²
[tex]h = \frac{u^2}{2g} \\\\h = \frac{22^2}{2(9.8)} \\\\h = 24.7 \ m[/tex]
Thus, the maximum height reached by the ball during the upward motion is 24.7 m.
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3. Explain what forces the Egyptians had to overcome when building the pyramids
Answer:
(Hope this helps can I pls have brainlist (crown)☺️)
Explanation:
But how did the Egyptians overcome the extreme friction of dragging such massive things through the sandy desert, some of which weighed more than 9,000 pounds? Researchers at the University of Amsterdam have come up with a very simple solution to the friction problem: they utilised water.
The pyramids were not built by slaves, contrary to common perception. Archaeologists discovered the ruins of a purpose-built town for the hundreds of labourers who constructed the renowned Giza pyramids about 4,500 years ago.
The Egyptians had to overcome the force of friction while dragging the big blocks of stone and the force of gravity while uplifting the large stone structure to a greater height when building the pyramids.
What is friction?Friction is a type of force that resists or prevents the relative motion of two physical objects when their surfaces come in contact.
The friction force prevents any two surfaces of objects from easily sliding over each other or slipping across one another. It depends upon the force applied to the object.
Thus, while constructing the pyramids, the Egyptians had to fight against the forces of gravity and friction as they lifted the massive stone edifice to a greater height.
Learn more about friction from here, link is given below,
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#SPJ2
Write down what unit of time, you need to use for measuring
Challenging Questions
a. The beat of your heart.
b. The duration of one period of your class.
c. The time you take to travel from home to school.
Please help I’ll mark brainlyest
Answer:
10N right
Explanation:
The 10N of force acting down and up on the object cancel out.
The 15N of force pulling the force to the right is stronger than the 5N of force pulling the object left
15N - 5N = 10N
The magnitude and unit is 10N, and the direction is right
10. Analyze What is the wavelength of these waves?
Answer:
Wavelength is the distance between the two closest points that are in phase with each other along a wave.
Explanation:
A book is to be produced with pages of thickness 0.125mm.If the book is to be exactly 1cm thick what is the maximum number of pages it can contain?
Answer:
1cm=10mm
10cm/0.125mm
80pages
What will happen if a renewable resource is used up faster than it can be
replenished or regenerated? *
Answer:
there will be no more if a resource is used up you have to find a new aource
Hãy giải đề giúp tui
Answer:
ở đâu?
Explanation:
................
1) how can you show that atmospheric exerts pressure?
2) how do you measure the volume of an irregular solid ? explain an experiment with diagram.
Answer:
1. While boiling replace the cap and allow it to cool. Vapours inside condense and form water creating vacuum above them. Observation - The can crumbles due to air pressure from outside. This proves that air exerts pressure.
2. Measure the volume of the liquid displaced when the object is submerged. Measure the initial volume of water in graduated cylinder. Submerge the irregular object. Measure the final volume of the water.
— The difference between the initial volume and the final volume is the volume of the object.
hope can help ^_^
6tyhfdytythftyhyhfytfyht
Answer:
Six is the only number that is both the sum and the product of three consecutive positive numbers.
Explanation:
what is the standard measurement system used by scientists around the world?
Answer:
Hey mate....
Explanation:
This is ur answer....
The International System of Units (SI), commonly known as the metric system, is the international standard for measurement.Hope it helps!
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International system of units.French système international d'Unitès, international decimal system of weights and measures derived from and extending the metric system of units.Adopted by the 11th General conference on weights and measures (CGPM) in 1960, It is abbreviated SI in all languages.
the amount of energy available to do work is called:
Answer:
Gibbs, free energy
Explanation:
Can somebody help meeeee...?
Answer:
[tex]{ \boxed{ \rm{pressure = \frac{weight}{area} }}} \\ \\ { \rm{pressure = \frac{200}{2} }} \\ \\ { \underline{ \underline{ \rm{ \: \: pressure = 100 \: pascals \: \: }}}}[/tex]
Friction force affects the work done by the applied force.
T OR F
Answer:
TRUE.
Explanation:
YES IT EFFECTS.
IT MAY HELP YOU.
Answer:
True
Explanation:
true because if you where to push a ball on a beach the friction with the sand would make it harder to push then being on concrete.
An automobile travels the first half of an 80.0 mi trip at 20.0 mi/h and the second half of the trip at 40.0 mi/h. What is the average speed for the entire trip?
This question involves the concepts of uniform speed motion and average speed.
The average speed for the entire trip is "26.67 mi/h".
First, we need to find out the total time taken for the entire trip. For that purpose, we will break the entire trip into two halves of uniform speed motion:
[tex]Total\ Time = t_1+t_2\\\\Total\ Time = \frac{s_1}{v_1}+\frac{s_2}{v_2}\\\\Total\ Time = \frac{40\ mi}{20\ mi/h}+\frac{40\ mi}{40\ mi/h}\\\\Total\ Time = 2\ h + 1\ h\\Total\ Time = 3\ h[/tex]
Now, the average speed for the entire trip will be:
[tex]Average\ Speed = \frac{Total\ Distance}{Total\ Time}\\\\Average\ Speed =\frac{80\ mi}{3\ h}[/tex]
Average Speed = 26.67 mi/h
Learn more about average speed here:
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The attached picture explains the concept of average speed.
A rainbow is seen in a rainy day. Describe its reason
Answer:
A rainbow requires water droplets to be floating in the air. That's why we see them right after it rains. The Sun must be behind you and the clouds cleared away from the Sun for the rainbow to appears.
Martine also has an eraser.it has a mass of 3g,and a volume if 1cm3.what is its density
Answer:
3g/cm³
Explanation:
Use the formula:
density = mass ÷ volume
Substitute (plug in) the values:
density = 3 ÷ 1 = 3g/cm³
Why can we predict the phases of the moon?
please dont search it up
Answer:
Every year, the moon moves about an inch away
Which statement is true about vectors?
Answer:
Vectors are defined as quantities which are fully described by both their magnitude and direction. By definition, a vector has a direction associated with it.
Explanation:
is this what you want?