One of planets known to have rings is

A. Saturn

B. Venus

C. Mars

D. Mercury

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.