True or false.

- The strength of a magnet is concentrated at the ends of a magnet.

How much force is needed to accelerate an object of mass 90 kg at a rate of 1.2 m/s2? 0.013 N 75 N 108 N 1080 N

Which best defines scientific question?

The frequency of a sound wave is commonly called

What is the decibel level of a normal conversation which has an intensity of 3.2 * 10-6 watts/m2?

A bicycle and rider travel along a road. Which of the following statements is true? a. Only the bicycle rider undergoes a translation. b. The bicycle wheels rotate and translate the entire bike and the rider c.

A 1300 kg car carrying four 84 kg people travels over a "washboard" dirt road with corrugations 3.2 m apart. The car bounces with maximum amplitude when its speed is 13 km/h.

A stomp rocket takes 1.5 seconds to reach its maximum height What was it's maximum height

A 3.0 kg rifle is held firmly by a 50.0 kg woman, initially standing still. A 0.06 kg bullet leaves the rifle muzzle with a velocity of 600 m/s. With what final velocity will the woman and rifle recoil?

Water particles in an ocean wave move in circles. This particle movement causes a wooden raft to ... a) sink slowly. b) turn circles underwater. c) bob up and down in the water. d) move horizontally until it reaches the shore.

What would happen to the moon if inertia disappeared?