In the first 10s of a body s motion, the velocity changes from 10 m/s – McqOptions

MCQOPTIONS

1.	In the first 10s of a body s motion, the velocity changes from 10 m/s to 20m/s. During the next 30s the velocity changes from 20m/s to 50m/s. What is the average acceleration in m/s2?
A.	1
B.	2
C.	3
D.	0.5
Answer» B. 2

Discussion

No Comment Found

Related MCQs

In uniformly accelerated motion, how many variables are required to fully describe the system?
The equations of motion are valid for which of the following types of motion?
A bus moves the first few meters of its journey with an acceleration of 5 m/s2 in 10s and the next few meters with an acceleration of 15 m/s2 in 20s. What is the final velocity in m/s if it starts from rest?
A coin and a bag full of rocks are thrown in a gravity less environment with the same initial speed. Which one of the following statements is true about the situation?
15 m/s can be written in km/h as ______
A body moves a distance of 15 m in a 15mins, with an initial velocity of 0m/min. What is the final velocity in m/min?
In the first 10s of a body s motion, the velocity changes from 10 m/s to 20m/s. During the next 30s the velocity changes from 20m/s to 50m/s. What is the average acceleration in m/s2?
A caterpillar starts travelling at a speed of 1 m/h. If the rate at which the speed changes is 0.1 m/h2, what is the final speed after 10 Hrs?
A ball is thrown up with an initial velocity of 20 m/s and after some time it returns. What is the maximum height reached? Take g = 10 m/s2.
A car moves with zero initial velocity up to a velocity of 5 m/s with an acceleration of 10 m/s2. The distance covered is ___