Which one of the following acts is an example of body language?

A. Rolling of the eyes

B. Employing the peripheral route of persuasion

C. Showing prejudice

D. Acting on an attitude

Two identical brass balls mounted on a wooden posts initially have different amounts of charge, one + 3.9 uC and the other + 16.4 uC. The balls are allowed to touch and then separated again. What is the final charge on each ball?

A 60 kg rower is paddling a 30 kg canoe with a 2 kg paddle at a constant speed of + 10 m/s. If she loses her grip on the paddle and it flies backward with a velocity of - 20 m/s, what is the final momentum of the boat and rower?

A driver of a car hits its brakes and begins to decelerate. If the velocity changes from 60 m / s to 20/m in 6 s, what is the deceleration of the car?

Three moles of an ideal gas undergo a reversible isothermal compression at 22.0°C. During this compression, 1700 J of work is done on the gas. What is the change in entropy of the gas? (J/K)

what is the force of static friction on Earth between a 2000 kg car and the road if a coefficient of static friction is 0.4?

A book falls of the table and hits the floor. Is work done? Why?

A person of 83 kg is in an elevator. If the elevator is moving at a speed of 5 m/s, what's the person's kinetic energy? Keep 4 significant figures a 1,004 J b 1,038 c 1,280 J d 980 J e 1,435 J

What two equations can be used to determine the speed of a wave

Which force has an infinite range and is always attractive?

A ramp with a mechanical advantage of 8 lifts objects to a height of 1.5 meters how long is the ramp