You did 150 joules of work lifting a 120 - N backpack.

how high did you lift the backpack?

how much did the backpack weigh in pounds

A truck was moving with a velocity of 25 meters per second east. What other information is needed to calculate the momentum of the truck?

A cartilaginous fish has no hinged structures that enable it to open and close its mouth. A. True B. False

An ant carries a morsel of food 4.26 meters along a straight path to his nest. He then turns around and follows the path back to the source of the food. What is his displacement when he arrives back at the food source?

As more resistors are added in parallel across a constant voltage source, the power supplied by the source a. decreases. b. does not change. c. increases.

A reptiles body temperature gets too low, what does he need to do

Can two like charges attract each other

By applying a force of 50N, a pulley system can lift a box with a mass of 20 kg. What is the mechanical advantage of the pulley system?

Three capacitors C1 = 10.1 µF, C2 = 23.0 µF, and C3 = 29.4 µF are connected in series. To avoid breakdown of the capacitors, the maximum potential difference to which any of them can be individually charged is 125 V.

What is the net force in the x-direction? 30 N 34 N 55 N 65 N

If an object does not have domains, will it be possible to make it magnetic?