Agiven box of 2 kg is in contact with the floor experiences an applied force of 150 form somebody pushing it. while in motion, it also experiences a frictional force of 7n in the opposite direction. calculate the weight of the box

What is the role of the ocular lens?

What is the rate of 12 liters of water moving through a water hose in 4.0 minutes?

A980-kg sports car collides into the rear end of a 2300-kg suv stopped at a red light. the bumpers lock, the brakes are locked, and the two cars skid forward 2.6m before stopping.the police officer, estimating the coefficient of kinetic friction between tires and road to be 0.80, calculates the speed of the sports car at impact. what was that speed?