9. What is the gravitational potential energy of a 61.2 kg person standing on the roof of a 10-storey building? (Each storey is 2.50 m high.)

Which of the following represents an upside-down image?

There are two routes similar in terrain; however, one route has an incline of approximately 28 degrees, and you must decide on which route to take. what is the maximum road grade that your fully loaded ecv can climb?

Which sound characteristic is not affected by the relative motion of an object