Define efficiency in your own words

Suppose that a block is pulled 16 meters across a floor. What amount of work is done if the force used to drag the block is 22 N? A. 352 J B. 220 J C. 330 J D. 200J

A roller coaster has a vertical loop with radius 15.8 m. with what minimum speed should the roller coaster car be moving at the top of the loop so that the passengers do not lose contact with the seats?

Find the acceleration of a cart on an incline plane that gains 5.6m/s each 0.70

Which is the balanced equation for S8 + O2 → SO2? S8 + O16 → 8SO2 S8 + O2 → S8 + O2 S8 + O2 → S8O2 S8 + 8O2 → 8SO2

Which of the following is the best description of health protection?

A ball is thrown up into the air with an initial velocity of 64 ft/sec. The ball is 4 ft above the ground when it is released. Its height, in feet, at time t seconds is given by: h (t) = - 16t^2 + 64t + 4.

Total these measurements. Your answer should indicate the proper accuracy. Be sure to include the units in your answer.

What is vector quantities?

How does heat flow? A. Heat flows from all objects to all other objects. B. Heat flows from a warmer object to a colder object. C. Heat does not actually flow from one object to another.

Suppose you and a friend, each a mass of 60 kg, go to the park and get on a 4.0-m-diameter merry-go-round. You stand on the outside edge of the merry-go-round, while your friend pushes you so that you rotate once every 6.0 seconds.