If a racehourse starts from rest and accelerates at a rate of 4.7 m/s2. how long does it take the hourse to go 20 m?

A. 4.3 s

B. 8.5 s

C. 9.1 s

D. 2.9 s

Which of the following is an example of potential rather than kinetic energy? light flashes emitted by a firefly a molecule of glucose a crawling beetle foraging for food water rushing over Niagara Falls

Why friction made it difficult to discover Newton's first law of motion.

When the saw slices wood, the wood exerts a 104-N force on the blade, 0.128 m from the blade's axis of rotation.

Synonym for anguish

Where is cascade range located?

If a car drove 121km/hr on average how far did it travel in 116min?

A 10 kg farm wagon is sitting at the top of a hill that makes a 370 angle with the horizontal when the brake suddenly fails. The cart rolls down the hill for 50 m and then hits a haystack. It plows 2.0 m into the stack before coming to rest.

What is a Geographic test

What is the velocity of a beam of electrons that go undeflected when passing through crossed (perpendicular) electric and magnetic fields of magnitude 1.63*104V/m and 2.50*10-3T, respectively? me=9.11*10-31kg, e=1.60*10-19C.

Gravity pulls gases and dust particles in space toward one another, squeezing them into a smaller and smaller space. The temperature at the center rises high enough for fusion of hydrogen to begin.