A rope and pulley system is used to lift a box that weighs 90 Newton's. How much force do you need to pull on the rope if the machine has a mechanical advantage of 5?

What will happen to a balloon after a few days?

A crest in a transverse wave corresponds to a in a longitudinal wave

Power lines sag more between telephone poles in the summer than in winter. Explain why that is so.

A woodchuck runs 25 m to the right in 7 s, then turns and runs 12 m to the left in 3 s. (Assume motion to the right is positive. Where applicable, indicate the direction with the sign of your answer. Enter your answers in m/s.

What is the average velocity of atoms in 2.00 mol of neon (a monatomic gas) at 308K?

In deep space there is very little friction once they are launched into a probe into deep space where there are no external forces acting on it scientists shut the probe's engines off because the scientists want the probe to

What topic in a biology textbook is directly related to physics

A soccer ball player bounces the ball off her head, changing the velocity of the ball. She changes the x-component of the velocity of the ball from vix = 7.9 m/s to vfx = 5.9 m/s and the y-component from viy = - 3.4 m/s to vfy = 4.5 m/s.

Do you think an observer on another planet in the solar system might see eclipses

A. A vector is any element of a vector space. Is this statement true or false? A. True by the definition of a vector space B. False; not all vectors are elements of a vector space. C. False; a vector space is any element of a vector.