Which of the following is NOT a way that machines provide a mechanical advantage?

a. Change direction

b. Change distance

c. Change power

d. Chance force

A racquetball strikes a wall with a speed of 30 m/s and rebounds with a speed of The collision takes What is the average acceleration of the ball during the collision? 200 m/s2 zero 2800 m/s2 1300 m/s2 1500 m/s2

Which of the following describes glass? A. a material that has a low resistance and allows charges to move freely B. a material that has a high resistance and prevents charges from moving freely C.

The fact that light travels at 300,000 km/s is a consequence of

Which part of the firearm loads, fires, and ejects shells or cartridges?

1. The thermal convection that drives plate motion is caused by O gravitational motions O subduction O sea-floor spreading O an unequal distribution of heat

A force of 15 N acts upon a 3 kg block. Calculate the acceleration of the object. Question 2 options: A. 75 m/s^2 B. 5 m/s^2 C. 45 m/s^2 D. 18 m/s^2

A resistance training system that is a variation of circuit training and that alternates upper body and lower body exercises throughout the circuit is called?

How much work can you do using a 600 watt stove and oven for 10 minutes

A tuning fork is held over a resonance tube, and resonance occurs when the surface of the water is 12 cm below the top of the tube. Resonance occurs again when the water is 34 cm below the top of the tube.

What do the group numbers mean on the periodic table?