A box is dropped onto a conveyor belt moving at 4.0 m/s. If the coefficient of friction between the box and the belt is 0.40, how long will it take (in s) before the box moves without slipping

If a train is slowing down it is accelerating

What nutrient is easiest to be broken down and absorb energy?

What is the specific heat capacity of a material?

How are force, mass and acceleration related?

Which best contrasts electric doorbells and audio speakers? Doorbells involve rapid changes in the direction of current, and speakers do not. Speakers involve rapid changes in the direction of current, and doorbells do not.

How to find final velocity given mass and initial velocity only?

What charge do electrons have? Negative Positive Neutral

What do you suppose would cause an atom to lose an electron?

Calculate the average speed of spacecraft orbiting mars

Two small spheres spaced 20.0 cm apart have equal charge. how many excess electrons must be present on each sphere if the magnitude of the force of repulsion between them is 4.57 * 10-21 n?