A car brakes and consequently its acceleration sells -1,2m / s. If its Initial speed is 10m / s a) how much is acceleration of the car , b) what is the distance that makes the car for the first Ss after it starts to brake? C) What kind of movement does the body make

An experiment is designed to test the relationship between the initial height of a basketball before it is dropped to the height of its rebound bounce. the height of the rebound bounce is measured using a scale positioned behind the ball. in the above experiment, which condition would not be controlled? a). the starting height of the ballb). the surface the ball bounces on c). the type of ball d). the method to measure the rebound height of the ball

What do you think car designers do if the damage caused by a crash test is too severe?

Panel bc in fig. p2.76 is semi-circular, with the 3 meter radius and horizontal straight edge through point b. compute (a) the hydrostatic force of the water on the panel, (b) its center of pressure, and (c) the moment of this force about point b. assume atmospheric pressure on the dry side of the panel