Does gravity exist between a pencil on a coffee mug

The speed of light in a certain medium is 61.2% of the speed of light in vacuum. What is the index of refraction of the medium?

Why is energy transferable?

What is the frequency of a wave that has a wave speed of 80 m/s and a wavelength of 0.20 m?

X applies a force of 500 N to push Y 100 m across a road how much work does X do?

An object of mass M is dropped near the surface of Earth such that the gravitational field provides a constant downward force on the object.

Consider what happens at the moment when the block leaves the surface of the globe. Which of the following statements are correct? - The net acceleration of the block is directed straight down.

A mechanic pushes a 3.00 ✕ 103-kg car from rest to a speed of v, doing 4,680 j of work in the process. during this time, the car moves 26.0 m. neglecting friction between car and road, find v and the horizontal force exerted on the car.

Explain how latitude determines wind patterns

What is the difference between contact forces and forces that act through a force field?

Suppose two parallel-plate capacitors have the same charge Q. but the area of capacitor 1 is A and the area of capacitor 2 is 2A. 1.