Astudent throws a 5.0 newton ball straight up. what is the net force on the ball at its maximum height

An object of dimensions 50 cm x 40 cm x 0.20 cm has a mass 60g. find its density in g/cm3 and kg/ m3

You are given two vectors a⃗ =−3.00ι^ 5.00j^ and b⃗ =5.00ι^ 2.00j^. let the counterclockwise angles be positive.

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)