A person rolls a barrel up an inclined plane with a length of 6m and a height of 3m / How much force is needed to roll up the barrel the length of the inclined plane if the barrel weighs 500N? How much work is done on the barrel?

What does it mean to have a velocity of zero?

Generate an explanation for the following formula: P = I2R

What naturally accurring radioisotope is used as the fuel for a nuclear reactor

When light travels from one medium to another, its direction can change. This is called

A magnet is pushed into the center of a wire loop and then stops. what is the current in the wire loop when the wire stops moving? explain.

If a pressure gauge measure an increase in 3*10^ (5) Pa on an area of 0.7 m^2, calculate the increase in the force applied to the area?

Which of the following is an example of potential rather than kinetic energy? a. water rushing over Niagara Falls b. a molecule of glucose c. a crawling beetle foraging for food d. light flashes emitted by a firefly

If a force of 15 newtons [N] is applied to a surface and the pressure is measured as 4,000 pascals [Pa], what is the area of the surface in units of square milimeters [mm2 ]?

An engineer has the task of producing an aluminum alloy with a density of 3.0 grams per cubic centimeter. She comes up with the perfect alloy and saves a sample of it. Which mass and volume measurements correspond to this sample? 7 g and 2.

What must be your car's average speed in order to travel 235km in 3.25 hours?