Moj jogs 800 m north and then turns and jogs 200 m back to the south. what is her velocity if it takes her 400 seconds?

A mover uses 1250 J of energy to move a 25 kg box up an inclined plane to a height of 4 m. What was the mover's efficiency while moving the box?

An ideal gas is enclosed in a container. the volume of the container is reduced to half the original volume at constant temperature. according to kinetic theory, what is the best explanation for the increase in pressure created by the gas?

How much is the moon in the first quarter actually lit

Which statements describe the motion of the object represented by the graph? Check all that apply.

A man pushes on a box at an angle of 30.0° with a force of 20.0 N and the box moves across the floor. Which of the following component of the force do you use to calculate work?

If a bottle was heated what would be observed? Explain

A box with a mass of 100.0 kg slides down a ramp with a 50 degree angle. What is the weight of the box? N What is the value of the normal force? Round the answer to the nearest whole number.

How does thermal energy heat a house? What devices and systems are involved?

A skater with an initial speed of 7.68 m/s stops propelling himself and begins to coast across the ice, eventually coming to rest. Air resistance is negligible. (a) The coefficient of kinetic friction between the ice and the skate blades is 0.105.

A. A PH202 student lives next to a construction site and sees a crane with a wrecking ball demolish the building next door. The wrecking ball swings along the wall between her house and the neighbor's house.