In Hooke's law, what does k represent?

a. mass of the spring

b. length of the spring

c. force of the spring

d. stiffness of the spring

e. width of the spring

How are many circular saw motors rated instead of using a horsepower rating? a. Watts b. Torque c. Amperes d. Poles

How do you work out velocity using kinetic energy?

You are holding a full bowl of hot soup while standing in the kitchen. As you begin moving, some of the soup spills out of the bowl onto the floor. Upon reflection, you realize that A) the soup spilled because of air resistance.

A lump of putty and a rubber ball have equal mass. both are thrown with equal speed against a wall. the putty sticks to the wall. the ball bounces back at nearly the same speed with which it hit the wall.

If the average movement of the particles in a sweater increases, what will happen to the sweater's temperature?

Do you mind if I use this example for my assignment?

A squirrel runs along an overhead telephone wire that stretches from the top of one pole to the next. It is initially at position xi=3.37 mxi=3.37 m, as measured from the center of the wire segment. It then undergoes a displacement of Δx=-6.

Imagine a 10 kg block moving with a velocity of 20 m/s to the left. calculate the kinetic energy of this block

Which do you think is the bigger problem among college students-the continued abuse of illegal drugs or the rising abuse of prescription and over-the-counter medications?

A man stands still on a moving walkway that is going at a speed of 0.4 m/s to the east. What is the velocity of the man according to a stationary observer?