A practice football dummy with a mass of 12kg is sliding across the field when a player applies a force of 30N, causing the dummy to accelerate. The coefficients of friction are s=0.4 and k=0.3.

Acar moves a distance of 50.0 km west, followed by a distance of 64.9 km north what was the magnitude of the displacement of the car, in units of kilometers?

Lymphocytes known as blastocysts make antibodies that fight infection. select the best answer from the choices provided t f

Auniform crate c with mass mc is being transported to the left by a forklift with a constant speed v1. what is the magnitude of the angular momentum of the crate about point a, that is, the point of contact between the front tire of the forklift and the ground