A 45,000 kg freighter has a momentum of 150,000 kgm/s towards the north. What is the magnitude and direction of its velocity? Explain the answer if you can plz.

An uncharged nonconductive hollow sphere of radius 18.0 cm surrounds a 12.0 µc charge located at the origin of a cartesian coordinate system. a drill with a radius of 1.00 mm is aligned along the z axis, and a hole is drilled in the sphere. calculate the electric flux through the hole.

Which statement best explains why an object weight less on mercury than it does on earth

Asuppose a suitcase has a mass of (m) 30 kg and a net force (n) of 10 kg*m/s. what is the acceleration rate of the suitcasein m/s? show your work to support your answer.