How are atoms and elements
related?
a. some elements contain only one type of
atom, while other elements contain more than
one type.
b. every element contains many different types
of atoms.
c. every element contains one type of atom.

When a 5.0kg cart undergoes a 2.2m/s increase in speed, what is the impulse of the cart

Ametal ball with a mass of 0.028 kg is dropped from rest at a height of 1.0 meters above the ground. assuming the energy in the ball is conserved, how much kinetic energy will the ball have when it is 0.5 meters above the ground?

Awoman holds a book by placing it between her hands such that she presses at right angles to the front and back covers. the book has a mass of m = 1.8 kg and the coefficient of static friction between her hand and the book is μs = 0.67. no attempt 50% part (a) what is the weight of the book, fgb in newtons?