How much potential energy does a 1kg mess have 10m off the ground?

light travels frkm air (n=1.00) i to water (n1.33). if the angle of refraction is 30°, what is the angle of refraction

If a stereo has a dial that changes the volume of the sounds the stereo Makes, what is the dial doing?

A receiver is in a jet flying alongside another jet that is emitting 2.0 x 106 Hz radio waves. If the jets fly at 268 m/s, what is the change in frequency detected at the receiver?

a ship needs to sail to an island that is 1000 km south of where the ship starts. if the captain sails south at a steady velocity of 30 kmh for 30 hours, will the ship make it? Explain.

Instead, suppose that it was fired upward at 60◦ with respect to a horizontal line. Then its horizontal component of velocity is 50 m/s. What would be the speed of the projectile at the top of its trajectory?

Why is the use of an international system of measurement important for science?

Would u do more lifting putting a box on the table or putting it on a shelf

Tia needs to produce a solenoid that has an inductance of 2.51 μ H. She constructs the solenoid by uniformly winding 1.19 m of thin wire around a tube. How long, in centimeters, should the tube be?

A 1,492.3-kg airplane travels down the runway. Each of its four engines provides a force of 1,447.5 N. Find the acceleration of the airplane, in m/s2. (Ignore friction.)

A 0.42 kg football is thrown with a velocity of 17 m/s to the right. A stationary receiver catches the ball and brings it to rest in 0.017 S. What is the force exerted on the receiver? Answer in units of N