A TV has a power of 130 watts and an efficiency of 80 percent. How much

power is wasted as heat?

A. 104.0 W

B. 1.6 W

C. 26.0 W

D. 6.5 W

a 1500 kg car accelerates uniformly from rest to 10.0 meters per secound in 3.0 secound. what is the work done on the car in this time interval? what is the power delivered by the engine in this time interval?

How long would it take to get to Saturn at the light speed?

You are flying your personal rocketcraft at 0.9c from Star A toward Star B. The distance between the stars, in the stars' reference frame, is 1.0 ly.

Would u hit me up? yes or no

A dragster starts from rest and travels 1/4 mi in 6.80 s with constant acceleration. What is its velocity when it crosses the finish line?

On a cold winters da, y, If you left a drink setting outside, it could freeze. Explain why in a complete sentence Hint-Consider th kinetic theory of heat that explains that temperature is directly related to kinetic energy of atoms.

perature is 0◦F. How much taller is the building when the temperature is 107◦F? The linear expansion coefficient of steel is 1.1 * 10-5 (◦C) - 1.

A weightlifter lifted 800 Newtons to a height of 2.5 meters. What is the power output if this was done in 1.22 seconds?

What conditions must be present for a translational and rotational equilibrium of a rigid body?

In objects motion will not change is the force is acting on the object are blank