Which describes how sliding friction affects pushing a cereal box across a tabletop?

It acts in the direction of motion.

It acts in the direction opposite of motion.

It is usually greater than static friction.

It equals the weight of the box.

Calculate the amount of energy produced in a nuclear reaction in which the mass defect is 0.187456 amu.

4. A 40 kg child and a 30 kg child want to balance themselves on a 4 meter, 50 kilogramn see-saw. Where should the fulcrum be placed?

The pressure inside a hydrogen-filled container was 2.10 atm at 21 ∘ c. what would the pressure be if the container was heated to 85 ∘ c? express your answer with the appropriate units.

An object with a mass of 7.8 kg is pulled on a horizontal surface by a horizontal pull of 50 N to the right. The friction force on this object is 30 N to the left. What is the acceleration of the object? 0.16 m/s^2 10 m/s^2 2.6 m/s^2 6.4 m/s^2

Most of in atom is in its what?

How do you find period when you have frequency

Which electromagnetic waves have a higher frequency than visible light

Calculate the speed for a car that went a distance of 125 miles in 2 hours time

A small 25 kilogram canoe is floating downriver at a speed of 4 m/s. What is the canoe's kinetic energy?

A car traveling on a flat (unbanked), circular track accelerates uniformly from rest with a tangential acceleration of 1.85 m/s2. The car makes it one quarter of the way around the circle before it skids off the track.