The driver of a car moving with a constant speed applies the breaks, and the car comes to a stop after traveling 3.5 meters. which force causes the deceleration of the car?

The density of a liquid could be found by using

At 20∘c, the hole in an aluminum ring is 2.800 cm in diameter. you need to slip this ring over a steel shaft that has a room-temperature diameter of 2.804 cm . 1. to what common temperature should the ring and the shaft be heated so that the ring will just fit onto the shaft? coefficients of linear thermal expansion of steel and aluminum are 12×10−6 k−1 and23×10−6 k−1 respectively.

Aball is thrown horizontally from a cliff at 8m/s .in what direction is the ball moving 2s later?