A20-n falling object encounters 4 n of air resistance. the magnitude of the net force on the object is?

Density of salty water as compared to the density of pure water is(a) is less(b) is always equal(c) is always more(d) may be less or more

What is the coefficient of kinetic friction μk between the block and the tabletop?

Juliette sets the initial velocity to +10 m/s, the acceleration to zero, and clicks “start.” how can shakina describe the subsequent motion of the car juliette controls?