Which machine would be an alternative to lifting a crate with a pulley?

a. doorstop

b. ramp

c. ax

d. screw

A steel cable supports an actor as he swings onto the stage. The weight of the actor stretches the steel cable. To describe the relationship between stress and strain for the steel cable, you would use: a. both shear modulus and bulk modulus. b.

A car has a mass of 820 kg. It starts from rest and travels 41 m in 3.0 s. What is the force applied to the car?

What is used in an electrical circuit to prevent a short circuit?

Which of the following is a speed, not a velocity? A. 35 m/s east B. -35 m/s C. 35 m/s D. 35 m/s south

A mercury atom in the ground state absorbs 20.00 electronvolts of energy and is ionized by losing an electron. How much kinetic energy does this electron have after the ionization?

The pressure, temperature and volume of a system change differently during the process of isothermal expansion. Indicate whether each quantity increases, remains constant, or decreases.

Which of the following is true about rows of the periodic table? Atomic mass increases from left to right.

If you quadruple the temperature of a black body, by what factor will the total energy radiated per second per square meter increase?

How much work (in j) must be done to lift a stack of bricks, which has a mass of 400 kg, from the ground to a height of 3 m? (g = 10 m/s2) ?

Chocolate chip cookies or chocolate fudge cookies?