Average velocity = ……………
A) \(\cfrac{Total \,distance}{Total\,time}\)
B) \(\cfrac{Total \,displacement}{Total\,time}\)
C) Total distance × Total time
D) \(\cfrac{Total \,time}{Total\,displacement}\)
1 Answers
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A ball is dropped from a height of 64 m and it rebounces `(3)/(4)` of the distance evey time it touches the ground. Find the total distance it travels
Correct Answer - `448` m
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A man travels half time of its journey with speed of 5m/s and for remaining half time he moves half of its total distance travelled, with speed of 3 m
Correct Answer - 4.5 m/s
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Both average velocity and average instantaneous velocity are equal when a body is moving with
A) uniform velocity in same direction
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Average speed = ……… A) Total distance/Time taken
A) \(\cfrac{Total\,distance}{Time\,taken}\)
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Average speed : total distance/time taken :...............:displacement/time taken
A) average velocity
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A body is moving with initial velocity 30 m/s. After certain time it acquires velocity of 40 m/s, then the velocity in middle of its journey is
Correct option is A) 25√2
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The average weight of 5 packets is 24 kgs and the average weight of another 10 packets is 12 kgs, then average weight of 15 packets is ……………….
Correct option is (B) 16 Kgs Average weight of 15 packets \(=\frac{5\times24+10\times12}{15}\) \(=\frac{120+120}{15}\) \(=\frac{240}{15}\) = 16 kg
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The average weight of 5 packets is 24 kgs and the average weight of another 10 packets is 12 kgs, then average weight of 15 packets is ……………….
2 Answers
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The average weight of 55 students is 55 kg , and the average weight of another 45 students is 45 kg . Find the average weight of all the students .
Correct Answer - c Average = `("Sum of the quantities")/("Number of the quantities")`
2 Answers 2 views
The ratio of most probable velocity to the average velocity is
Correct Answer - B::C
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