Question

A bus decreases its speed from
70 km h' to 50 km h in 5 s.
Find the acceleration of the bus.
A train starting from a railway
station and moving with uniform
acceleration attains a speed
40 km h' in 10 minutes. Find its
acceleration.​

Answer 1

Answer:

Bus..

Acceleration =50-70/5=-20/5=-4 m/s^2

Here '-' sign means acceleration acts opposite to he dirn of motion.

Answer 2

Step-by-step explanation:

50-70=-20

-20/5 = -4 km/sec

so it is deaccelerating