Which of the following situations does NOT describe a force?

Question 2 options:

A)

A baseball hits a bat.

B)

An astronaut floats in space.

C)

A tow truck pulls a car.

A flywheel in a motor is spinning at 530 rpm when a power failure suddenly occurs. The flywheel has mass 40.0kg and diameter 75.0cm. The power is off for 39.

Witch of the following is not a function of a simple machine

Find a1 if a8=54 and a9 = 60

What state of matter is that substance?

Law of refraction of light?

Why is thermal energy from the Sun transferred to Earth through electromagnetic waves instead of any other type of thermal energy transfer? Electromagnetic waves can carry energy through matter. Electromagnetic waves can travel through empty space.

Why do different elements emit different colors of light

In an experiment, 108 J of work was done on a closed system. During this phase of the experiment, 79 J of heat energy was added to the system. What was the total change in the internal energy of the system?

J. J. Thomsons experiments provided evidence that an atom

How does our sun differ from most other main sequence stars?