What can we say about the rock as it falls to Earth?

A) It accelerates as it falls.

B) It falls at a constant rate of speed.

C) It is at a constant velocity as it falls.

D) It accelerates until it reaches a peak velocity, then decelerates.

One lens of a nearsighted person's eyeglasses has a focal length of - 28.0 cm, and the lens is 1.8 cmfrom the eye.

Which term describes when situations, events, or people make demands on your body and mind

How can a surface be smooth/polished for some waves and not for others? (This is an important question, refer to the homework on WebAssign and question regarding whether a surface is smooth/polished for some electromagnetic waves verses others)

What drives people to explore

The process of cleaning your body internal is called

A cat chases a mouse across a 0.63 m high table. The mouse steps out of the way, and the cat slides off the table and strikes the floor 2.4 m from the edge of the table. The acceleration of gravity is 9.81 m/s 2 .

Which factors are used to calculate the kinetic energy of an object? Check all that apply. gravity velocity volume mass height

An arrow is shot upward from the roof of a building 75 m high with an initial speed of 40 m/s. If g = 10 m/s2, what total distance has it traveled after 6 seconds?

Which set of terms best defines what affects kinetic energy and potential energy, respectively? position, gravity gravity, position velocity, height height, velocity

In a two-slit setup, each slit is 0.02 mm wide. These apertures are illustrated by plane waves of sodium light (wavelength = 589.6 nm).