A 10-gram aluminum cube absorbs 677 joules when its temperature is increased from 50°c to 125°

c. what is the specific heat of aluminum? express the answer to the hundredths place

What is the temperature 32°F in degrees Calsius

You pick up a 3.2 kg can of paint from the ground and lift it to a height of 1.4 m.

Can you use a heat pump to provide the temperature difference to run a heat engine? Yes, a heat engine runs on heat. Yes, a heat pump moves heat. No, heat is not created. No, the heat supplied does not create a large enough temperature difference.

What is the formula for power that uses volts and amps?

For a chair to be balanced on one leg, where must the center of gravity be located? A. in the center of the seat B. toward the front of the chair C. toward and above the balancing leg of the chair D. toward the back of the chair

Critical thinking! Applying Concepts A desk exerts an upward force to support a computer resting on it. Does this force do work? Explain.

When an inclined plane is used, A. the mechanical advantage increases as the height increases. B. a smaller force is exerted over a longer distance. C. a negative mechanical advantage can result. D. a greater force is exerted over a shorter distance

A 4-kg cat is resting on a bookshelf that is 3m high. What is the cats gravitational potential energy relative to the floor if the acceleration due to gravity is 9.8m/s squared

If a 100 N net force act on a 50-kg car, what will the acceleration be

According to the modern classification system, which list is written correctly from least specific to most specific?