An object moves through 10 m in 2 minutes and next 10 m in 3 minutes. Then its average speed is
a) 5 m/min
b) 4 m/min
c) 2 m/min
d) 1 m/min [ ]
In the hare - tortoise race, the hare ran for 2 min at a speed of 7.5 km/h, slept for 56 min and again ran
2 min at a speed of 7.5 km/h. The average speed of hare in the race is
[ ]
1
a) 7.5 km/hr
b) 5 km/hr
c) z km/hr
d) km/hr
4.
A particle travels the first half of its total distance along a straight line with a speed 'v' kmph and the next
half, with a speed of 60 kmph. If the average speed for the journey is 40 kmph, the value of 'v' is
a) 50 kmph
b) 30 kmph
c) 20 kmph
d) 35 kmph [ ]
1
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Answer:
- An object moves through 10 m in 2 minutes and next 10 m in 3 minutes. Then its average speed is: 4m/s
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