What is the relationship between Potential energy and KInetic energy in a system?

10 fact of polution solution

A 10-meter rope is lying on the floor and has a mass force of 20 N. How much work is required to raise one end of the rope to a height of 5 meters?

American football is played on a 100 yd100 yd long field, excluding the end zones. What is the length? L of the field in meters? Assume that 1 m equals 3.281 ft. 3.281 ft.

Why do the planets move in fixed orbits around the Sun? A) The magnetic pull of the Sun holds them in their orbits. B) The gravitational pull of the Sun holds them in their orbits.

Earth's atmosphere is constantly bombarded by cosmic ray protons that originate somewhere in space. If the protons all passed through the atmosphere, assume that each square meter of Earth's surface would intercept protons at the average rate of

Voltage can exist without A. current. B. resistance. C. a closed circuit. D. all of these

During a football game, a receiver has just caught a pass and is standing still. Before he can move, a tackler, running at a velocity of 2.60 m/s, grabs and holds onto him so that they move off together with a velocity of 1.30 m/s.

What effect does an increase in temperature have on viscosity?

Aman tosses a jart upward with a velocity of 14.1 m/s a 60° angle

Describe accuracy, precision and best fit line.