0.5. (A) Find the density of population from the following data and complete the table.
SI no.
State
Population
(2011)
19,98,12,341
1.
Uttar Pradesh
2.
Maharashtra
11,23,74,333
Tamil Nadu
7,26,26,809
Area (Sq. km)
Density
2,40,926 [829.35
3,07,713 [356.19
1,30,058 1558.41
3,42,239 20.02
22,327
1121.90
3,702 393.98
68,54,837
Rajasthan
Manipur
27,21,756
5.
6.
Goa
14,58,545
Ans.
Answers
Answer:
MOTION:-2
Total points
9/10
Std: IXth
Name of the student: *
Rudra prasad pattnaik
Class/ sec : *
IXA
IXB
IXC
IXD
IXE
IXF
Other:
Roll No: *
28
Date: *
8.9.20
1. A driver decrease it's speed of a car from 25 m/ s to 10 m/ s in 5 seconds. The acceleration of the car is
1/1
a) 33 m/ sec.sq.
b) -3 m/ sec. sq
c) 6 m// sec.sq.
d) 9 m/ sec. sq..
2. A motorbike drives from A to B with a uniform speed of 30 kmph and returns from B to A with a uniform speed of 20 kmph . The average speed is
0/1
a) 42 kmph
b) 44 kmph
c) 24 kmph
d) 14 kmph
Correct answer
c) 24 kmph
3. A moving train is brought to rest with in 20 seconds by applying brakes. If the retardation due brakes is 2 m/ sec.sq. , it's initial velocity is
1/1
a) 04 m/ s
b) 0.4 m/ s
c) 40 m/ s
d) 4.0 m/ s
4. A racing car has a uniform acceleration of 4m/ s. What distance will it cover in 10 seconds after the start?
1/1
a) 2000 m
b) 200 m
c) 20 m
d) 400 m
5. A car of mass 1000 kg is moving with a velocity of 10 m/ s. If the velocity- time graph for this car is a horizontal line parallel to time axis, then the velocity of car at the end of 25 seconds will be
1/1
a) 25 m/ s
b) 10 m/ s
c) 40 m/ s
d) 250 m/ s
6. A train traveling at 20 m/ s accelerates at 0.5 m/ sec. sq. for 30 seconds. How far will it travel in this time?
1/1
a) 825 m
b) 852 m
c) 528 m
d) 285 m
7. A scooter acquires a velocity of 36 kmph in 10 seconds just after the start. The acceleration of the scooter is
1/1
a) 5m/ sec.sq.
b/ 1 m/ sec. sq.
c) 11 m/ sec. sq
d) 4 m/ sec. sq.
8. Find the initial velocity of a car which stopped in 10 seconds by applying brakes. The retardation due to brakes is
1/1
a) 25 m/ s
b) 52 m/ s
c) 40 m/ s
d) 55 m/ s
9. A car travels 30 km at a uniform speed of 40 kmph and next 30 km at a uniform speed of 20 kmph . it's average speed is
1/1
a) 266 m/ s
b) 26.6 m/ s
c) 62.6 m/ s
d) 662 m/ s
10. A scooter ist covers a distance of 3 km in 5 minutes. It's speed in cm/ second is
1/1
a) 100
b) 1000
c) 500
d) 50
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