The ratio of output power, in percent, is called

The man jumps from the window of a burning hotel and lands in a safety net that stops him fall in 1 mm. Determine the average force that the net exerts on the man if he enters the net at a speed of 28 m/sm/s. Assume that the man's mass is 64 kgkg.

Which in is it Speed (S) or Velocity (V) ? A bike goes 25 m/s toward main street, A person walks 4 mph. A plane flies 200 m/s. A bird flies 100 mph due south,

If a motor neuron involved in a reflex arc is damaged, which event in that arc is least likely to occur?

Identify the materials necessary to create an electromagnet

What were Newton's three laws?

Which of the following is a way humans have impacted the rainforest, but not the tundra?

Explain what happens when a massive star ends its life as a supernova.

Freckles are a dominant trait in humans. Both of the girls have the genotype FF for freckles. If either one marries a man with no freckles, what are the chances that their children will have freckles? A) 0% B) 50% C) 75% D) 100%

A 3 N force pushes on a object for 20 meters find the work done

As a woman walks, her entire weight is momentarily placed on one heel of her high-heeled shoes. calculate the pressure exerted on the floor by the heel if it has an area of 1.54 cm2 and the woman's mass is 69.5 kg. express the pressure in pascals.