If the period of a mass spring oscillator is 8π s and the spring constant is 2 n/m, how much mass is attached?
a. 32 kg
b. 24 kg
c. 16 kg
d. 28 kg

A10 kg box initially at rest is pulled 18 meters across a horizontal, frictionless surface by a 40 n force. what is the block’s final velocity over the 18 meters?

Newtons view of arrangement of the universe. don't copy from anywhere.

Abeam of electrons moves at right angles to a magnetic field of 4.5 × 10-2 tesla. if the electrons have a velocity of 6.5 × 106 meters/second, what is the force acting on the electrons? the value of q = -1.6 × 10-19 coulombs.