Speed is the ratio of what two measurements

What would happen if the sun exploded.

How much work is done when a 700 N refrigerator is lifted straight up a distance of 4 meters

Gravitational forces are the weakest force is found in nature because of this A. The gravitational effects between a pencil and earth can not be seen B. There is no gravitational force between 1-kg masses C.

Why does changing the shape of an object have no effect density of that object?

An object start s from rest and accelerates at a rate of 2.50 m/s for 7.00 seconds. The velocity at the end of the 7.00 seconds is?

A car is idling at a stoplight. When the light turns green, the car takes 12 seconds to accelerate to 18.7 m/s. What is the average acceleration of the car? 0.64 m/s2 1.6 m/s2 -0.64 m/s2 -1.6 m/s2

A child on a sled starts from rest at the top of a 15° slope. if the trip to the bottom takes 23.9 s how long is the slope? assume that frictional forces may be neglected.

Which si prefix means one one-hundredth (1/100) ?

A sled is being pulled to the left by 5 dogs with 6 newtons of force. Find the net force

Objects become electrically charged as a result of the transfer of