A man with a mass of 60 kg walks up two flights of stairs in going from the first floor to the third floor (10 meters). Calculate his increase in potential energy

W, the turntable stops rotating, and the ladybug and the gentleman bug move to opposite edges of the outer rim. the gentleman bug has not watched his weight and is much more massive. the turntable then begins rotating ever more rapidly.

Roads often have to be repaved because they crack over time. Sometimes this cracking is due to the fact that the roads (as well as other objects) have a tendency to expand when heated and contract when cooled.

It takes 5 s for sonar pulse to travel 6 km. what is the speed of the sonar pulse?

Question 2 10 pts The voltage in a particular circuit is 10.0 V. The current in the circuit is 20 A. What is the resistance? A. 2.0 B. 30 C. 200 D. 0.5

What is the most important force in astronomy?

What is the theme of the car we had to push?

State the law of conservation of energy in your own words

A condition associated with most warm fronts is

True or false Digitized information can be used by computers.

About how long ago did our solar system form? 3.8 billion years ago 4.6 billion years ago 5 billion years ago 13.7 billion years ago