Question

A car starts from rest and accelerates uniformly at a rate of 5 m/s² for 10 s. It then maintains a constant speed for 250 s. The brakes are then applied

and the car is uniformly retarded and comes to rest in 20 s. Find:

i. The maximum velocity reached.

ii. The retardation in the last 20 s.

iii. The total distance covered.​

Answer 1

An atmosphere is the layers of gases surrounding a planet or other celestial body. ... These gases are found in layers (troposphere, stratosphere, mesosphere, thermosphere, and exosphere) defined by unique features such as temperature and pressure.