You pull horizontally on a 50-kg crate with a force of 450 n and the friction force on the crate is 250 n. the acceleration of the crate is

Which describes the balls motion between 20 m and 80 m on the graph

A 2 kg object is moving west at 4 m/s. It takes 2.0 s to slow down to 2 m/s, still moving west. What is the change in momentum, ΔP, of the object? a. 4.0 kg∙m/s, west b. 4.0 kg∙m/s, east c. 2.0 kg∙m/s, west d. 2.0 kg∙m/s, east

If the oil thickness is 200 nm and the index is 1.5, what (vacuum) wavelength (in nm) does a diver see looking at the same position as the scientist, but from under water?

Your average speed on the first half of a car trip is 69.0 km/h. How fast do you have to drive on the second half of the trip to achieve an average speed of 82.0 km/h for the whole trip

What does law of conservation of mass mean?

How do airbags relate to Isaac Newton's third law?

What is chemical equilibrium

Newton laws what are they

A hollow steel ball of diameter 3.0 m barely floats in water. What is the thickness of the wall of the ball? The density of iron is 7.87 g/cm3 and that of water is 1000 kg/m3. A) 37 cm B) 6.6 cm C) 79 cm D) 131 cm

if come convinced yuor friend to lend you her notes to study for an exam, what would this situation be an example of?