A 55 kg person moves at the constant speed of 7 m/s along a straight stretch of track for 20s. How far does he travel in this time?

the arm of a crane is 15.0 m long and makes an angle of 70.0 degrees with the horizontal. Assume that the maximum load for the crane is limited by the amount of torque the load produce around the base of the arm.

Producing a current by moving a wire through a magnetic field is called what

Which is denser ice at 0 degrees C or water at 4 degrees C

Which of the following statements applies to a longitudinal wave? A. The long motion of the medium is random B. The motion of the medium is in a circular pattern C. The motion of the medium is parallel to the motion of the wave D.

The earth's magnetic field deflects the flow of current from: A) the moon B) Saturn C) the sun D) the center of the earth

Does the sun fuse hydrogen into helium or vice versa?

Is it possible to put a distance versus time graph to be universal go mine

On very dry days, when you use a comb or a brush, your hair sometimes stands on the end and maybe even sticks to the comb or brush. Explain why this happens in terms of electric charge.

A large balloon is initially filled to a volume of 1.96 l at 318.44 k and a pressure of 2.89 atm. what volume of gas will the balloon contain at 1.77 atm and 336.33 k?

How to calculate kinetic energy? (physics/physical science)