a man standing in front of a mountain sends a sound and hear it's Echo after 2 seconds calculate the distance between the man and the mountain consider the speed of sound is 340 m/s

a 1000 foot spool of bare 12-gauge copper wire weighs 19.8 pounds. How much will 18 inches of the wire weigh, in ounces?

What will be the amount of heat required to raise the temperature of 3 kg of paraffin by 10 degree C if 44000joules of heat energy is required to raise the temperature of 1 kg of paraffin by 20 degree C

What does Newton's first law describe A. The relationship between force, mass and acceleration B. Action-reaction pairs C. How friction and the normal force are related D. How inertia affects the motion of an object

A 65 kg student climbs 7 m up a rope at a constant speed. If the students power to output is 300 w, how long does it take the student to climb the rope

What is the minimum coefficient (ms) of static friction between the road and the car? Since the net force is equivalent to the force of static friction, your answer to Part D (9000 N) is the magnitude of force of static friction (fs).

Rank the types of nuclear radiation from most massive to least massive.

What volume of sliver metal weigh exactly 2500.0g. The density of silver is 10.5g/cm3

Which statement best describes the adiabatic process? A. the temperature remains constant B. the temperature increases at a constant rate C. heat flows at a constant rate into the system D. heat flows at a constant rate out of the system E.

If an injury is caused by impact from an object alone, is this considered a caught-in or - between incident? Select the best option No, this is a struck-by incident Yes No, this type of incident is undefined

The___ is composed of Earth's crust and solid upper mantle A. Inner core B outer core C lithosphere D asthenosphere