Test Series-20

## Instructions

• Your test contains 12 multiple choice questions with only one answer
• This is 30 min test.Please make sure you complete it in stipulated time
• You can Finish this test any time using 'Submit' button.
• Once finished you get a chance to review all question with correct answers and their solutions.

1.Which of the following is not a vector quantity?
• displacement
• speed
• velocity
• accleration
• None of these

A person throws a ball upward into the air with initial velocity 15 m/s. The ball goes upto to height H and then goes down back into the hand of person given g=9.8 m/s2
2) What is the value of h?
• 10 m
• 11.6m
• 11.5m
• 12m

3. What is the time taken to reach the ball into person hand's back?
• 3.06s
• 2min
• 6sec
• none of these

4.what is the velocity of the ball when it comes back into the hand of person?
• 10m/s
• 15m/s
• 20m/s
• 0

5.Which one of these is having the least speed?
• Bicycle moving with 12 km/h
• A car moving with 1500 m/min
• A man running with 5m/s
• A train running with 1km/min

6. A truck traveling at 30 km/h speeds up to 90 km/h in 6 seconds. What is the accleration of the truck?
• 3.7m/s2
• 2.7m/s2
• 2.5m/s2
• None of these

7. John is driving the car in one direction at the speed of 36km/hr. He look on the side for 3 sec.How far John travel during this inattentive period?
• 10m
• 25m
• 30m
• 20m

8. A Honda city car is traveling at 54 km/h. If brakes are applied so as to produce uniform retardation of 3m/s2. Calculate the time taken by it to stop.?
• 5sec
• 10sec
• 1sec
• None of these

9.which one of these is not a equation of motion in uniform acceleration?
• v=u+at
• v2=u2+2as
• s=ut+.5at2
• None of these

10.The area under velocity -time graph is ?
• accleration
• distance
• displacement
• None of these

11. if the displacement-time graph is a straight line. Which of these is false?
• velocity is constant
• acceleration is zero
• speed is constant
• accleration is not zero

12. A truck starts at rest and moves in a straight road with constant accleration 5m/s2 .What is the velocity and displacement after 5 sec?
• 30m/s,63m
• 25m/s,62.5 m
• 20m/s,62.5 m
• 35m/s,62.5 m

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