successive discount of 8 %and 7%
Answers
Answer:
MOTION TEST:-1
Total points
9/10
Std:-IXth
Class/ sec: *
IXA
IXB
IXC
IXD
IXE
IXF
Other:
Name of the student: *
Rudra Prasad Pattnaik
Roll No: *
28
Date: *
1.9.20
1. Equations of motion can be used for a body having
1/1
a) uniform motion
b) non- uniform motion
c) uniform acceleration
d) non uniform acceleration
2. For a body starting from rest, the displacement in 10 seconds, when it acquires 4m/ s in 2 seconds is
1/1
a) 25 m
b) 50 m
c) 500 m
d)100 m
3. For a uniformly accelerated body with initial and final velocities as u and v m/ s, the average velocity is
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a) a/2
b) v/2
c) ( u+ v)/2
d)( v- u)/2
4. If the velocity of a body is reducing, it is said to have
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a) negative acceleration
b) retardation
c) positive acceleration
d) both ( a) and ( b)
Correct answer
d) both ( a) and ( b)
5. Are under a v- t graph represent a physical quantity which has the unit
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a) metre square
b) metre
c) metre cube
d) metre per second
6. A car accelerates uniformly from 18 kmph to 36 kmph in 5 minutes. The acceleration is ( in metre per second square)
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a) 60
b) 1/ 60
c) 120
d) 1/36
7. Area under v- t graph is measurement of of
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a) acceleration
b) displacement
c) angular speed
d) angular acceleration
8. A boy is sitting on a merry- go - round which is moving with a uniform speed of 10 m/ s . This means that the boy is
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a) rest
b) moving with no acceleration
c) in accelerated motion
d) moving with uniform velocity
9. If the v- t graph is a straight line inclined to time axis, then
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a) a= 0
b) a not equal to zero
c) a= constant
d) a not equal to constant
10. A particle is moving in a circular path of radius r. The displacement after half a circle would be
1/1
a) 0
b) πr
c) 2r
d) 2πr
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