Question

5.In case of positive acceleration :
b.v>u
a. Veu
c.veu
d. none of these.
When the body is moving with constant velocity ,its acceleration is:
a. positive
b. negative
c. zero
d. none of these
7.When a body stops or comes to rest ,then:
a.
u= 0
b. v = 0
c. a = 0
d. t = 0
8.The hands of a clock cover:
a. Equal distance in unequal intervals of time
b. Unequal distances in equal intervals of time
c. Equal distances in equal intervals of time
d. None of these
need of a moving car is 30 km/hr In 15 minutes , it will cover a distance of
a. 15km
b.7.5km
c. 22.5km
d. 10km
10. The numerical ratio of speed to velocity is
a
Less than one
b. equal to one c. more than one d. either more than or equal to one
11. Which of the following quantities becomes zero when a body comes back to initial position?
a. displacement
b. distance
c. speed
d. acceleration
12.The slope of a speed-time graph measures
a. acceleration
b. retardation
c. both a and b
d. distance
13.Which of the following quantities never be negative?
a. velocity
b. acceleration
C. retardation
d. speed
14.A car travels a distance of 90km in 1 h. its speed is:
a. 324 m/s
b. 90 km/hr
c. 25 m/s
d. both b and c
15. The odometer of car measures :
a. displacement
b. distance
c.speed
d. velocity​

Answer 1

1- b

2-positive

3-u=0

4-a

Answer 2

Explanation:

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1. (b) v > u
2. (c) zero
3. (b) v = 0
4. (c) Equal distances in equal intervals of time
5. (b) 7.5km
6. (d) either more than or equal to one
7. (a) displacement
8. (a) acceleration
9. (d) speed
10. (b) 90km/h
11. (b) distance

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