A 20-kg child is tossed up into the air by her parent. The child is 2 meters off the ground traveling 5 m/s.

Sharece knows that wave peaks and valleys can add and subtract. What would be the net effect if she was able to cross Wave 1 (a large-amplitude wave in a valley phase) with Wave 2 (a wave with slightly smaller amplitude than Wave 2, in a peak phase)

later, you are driving your friends go-cart. if his cart has an acceleration of 5.5 meters per second and the carts engine is applying a forward force of 720 n, what is the mass of his go-cart

A nova occurs when A. a massive star experiences collapse of its iron core and explodes. B. binary black holes radiate energy away as gravity waves, spiral in, and collide. C.

16 / Ricardo uses a chain hoist to lift a 645-pound air compressor 4.5 feet. Ricardo has to pull 54 feet of chain through the chain hoist. If the hoist is 95% efficient, how much force does Ricardo have to apply to the chain?

A clarinetist, setting out for a performance, grabs his 3.450 kg3.450 kg clarinet case (including the clarinet) from the top of the piano and carries it through the air with an upward force of 38.92 N. 38.92 N. Find the case's vertical acceleration.

A sheet of paper can be withdrawn from under a container of milk without toppling it if the paper is pulled A. gravity pulls very hard on the milk carton. B. the milk carton has very little weight. C. the milk carton has inertia. D.

What is concave mirror

Two boxes are suspended from a rope over a pulley. each box has weight 50 n. what is the tension in the rope

What happens when you put a galvanized zinc nail in copper solution for an hour? Does is rust or turn different color? What is the outcome? What happens after an hour in vinegar?

Psuedopod in a sentence