Mechanical work is done an object when a force displaces the object in the direction of the force or a component of the force.

True or false?

How do you calculate heat resistance

If your bedroom is cold, you might feel warmer with several thin blankets than with one thick one

Why do surfers like water waves with high amplitudes

If large amount of heat are transferred to a solid, what will probably happen to the state of the solid?

Fish are hung on a spring scale to determine their mass (most fishermen feel no obligation to truthfully report the mass). (a) What is the force constant of the spring in such a scale if it the spring stretches 8.00 cm for a 10.0 kg load

Acceleration can be best described as: The ability of an object to stay still. The ability of an object to speed up. The ability of an object to stop. The ability of an object to slow down.

A carnot engine rejects 80 mj of energy every hour by transferring heat to areservoir at 10°c. determine the temperature of the high-temperature reservoir and the power produced if the rate of energy addition is 40 kw.

When monochromatic light passes through the interface between two unknown materials at an angle θ where 0∘<θ<90∘, no changes in the direction of propagation of light are observed. What can be said about the two materials? A.

An object has a force of 10 newtons from the right and 17 newtons from the left. Once the object starts moving toward the right, an additional force of 7 newtons is applied from the right.

A basketball player, who weighs 600 newtons, jump 0.5 meters vertically off the floor. Calculate her kinetic energy just before hitting the floor. a) 300J b) 3000J c) 9.81m/s^2 d) 0