10. From the top of a tower 100 m in height a ball is dropped and at the same instant another ball
is projecred vertically upwards from the ground
so that it just reaches the top of tower. At what
height do the two balls pass one another?

The radius of a sphere is increasing at a rate of 9 cm/ sec. find the radius of the sphere when the volume and the radius of the sphere are increasing at the same numerical rate.

Which composition of water moves to begin a deepwater current?

Atypical jetliner lands at a speed of 146 mi/h and decelerates at the rate of (10.4 mi/h)/s. if the jetliner travels at a constant speed of 146 mi/h for 1.5 s after landing before applying the brakes, what is the total displacement of the jetliner between touchdown on the runway and coming to rest?