Write an expression for the distance vector, d, in rectangular form in terms of d and θ, in a coordinate system with the dish at the origin and the unit vectors i and j in the horizontal and vertical directions. (to the right and up)

The electrostatic force between the block and the cart is -2.1x10^-5 N and the electrostatic potential energy between the block and the cart along a frictionless surface is -1.4x10^-7 J.

What is frictionless surface?
A frictionless surface is a surface that does not experience any friction when an object moves across it. The concept of a frictionless surface is important in physics and engineering, as it helps to explain the behavior of objects in motion. Frictionless surfaces are found in many everyday objects, from the ice on a hockey rink to the wheels on a race car. The frictionless surface allows objects to move quickly and easily across it, resulting in less energy being lost in the process. Frictionless surfaces are also important in the field of nanotechnology, as they allow nanorobots to move quickly and efficiently.

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Answer:

Explanation:

Given assets are scooter worth $2000, $800 in her checking account.

So total assets = 2000+800 = $2800

And liabilities are which are owed that is $920 and $125.

So total liabilities = 920+125 = $1045

Net worthy = 2800-1045 = $1755

A liability is an obligation owned by a person or company that must be paid based on a certain period, usually based on the value of money. But besides money, liabilities can be in the form of obligations in the form of services, goods, or other economic benefits. In recording the balance sheet, liabilities will be recorded on the right or opposite to assets.

In the accounting equation then abbreviated as ALE which consists of assets, liabilities and equity.

The formula, assets = debt + capital.

Some examples of liabilities are debts, loans, mortgages, deferred income, bonds, guarantees, and other accrued expenses.

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The momentum of the object when expressed using the equivalent units is determined to be 720 g-cm/s.

What are Equivalent Units?

In the given question, momentum, [tex]p=7.2 \times 10^{-3}[/tex] kg-m/s

Here, the momentum is expressed in SI units.

Now, we can convert the units of momentum into CGS system using the following equivalent units.

1 kg = 1000 g and 1 m = 100 cm

So, we get the momentum as,

[tex]p=7.2 \times 10^{-3} \times 1000 \times 100[/tex] g-cm/s

[tex]\implies 7.2 \times 10^{2}[/tex] g-cm/s

[tex]\implies p=720[/tex] g-cm/s

Hence, the  momentum of the object when expressed using the equivalent units is 720 g-cm/s.

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It means that the coordinates of the point were translated using the formula (x, y) since the point rotated at an angle of 180°. (-x, -y). As a result, the necessary rule that characterises the rotation about the origin is as follows: (-x, -y). Example of a 180 degree rotation when rotating a figure about its origin.

The circular movement of an object about a primary axis is referred to as rotation or spin. A revolving object in two dimensions only has one conceivable central axis and can revolve either clockwise or anticlockwise. There are countless conceivable central axes and rotating orientations for a three-dimensional object.

Here are the guidelines for rotation: rotation in the direction of 90°: (x,y) becomes (y,-x) rotation of (x,y) at 90 degrees anticlockwise results in (-y,x) Rotating (x, y) 180 degrees both clockwise and anticlockwise results in (-x,-y)

Thus, the necessary rule that characterises the rotation about the origin is as follows: (-x, -y).

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Answer: 1. -x,-y

2. 180

Explanation:edge