Question

Car A & B travel on a straight highway.

At t = 0, car A travelling at 54 kmph

decelerates at 0.5 m/s2

. While car B, 50

m behind car A, travelling at 36 kmph

accelerates at 0.8 m/s2

. Find (i) the

distance and time taken by the two cars

before B overtakes A. (ii) the speed of

both the cars at the time of overtaking​

Answer 1

Answer:

Chalk is a soft, white, porous, sedimentary carbonate rock, a form of limestone composed of the mineral calcite. Calcite is an ionic salt called calcium carbonate or CaCO3.p