Question

Q5 A man weighing 70 kg.
carries a weight of 10 kg. or
the top of a tower 100 m hig
calculate the work done by
man (g = 10
luggage. (g = ms-2).a man beating 70 kg carries a weight of 10 kg on the top of the tower 100 M high calculate the work done by the man is equals to 10 M as Dash 2 ​

Answer 1

Answer:

Total journey is of 600 km. A bus travels first 120 km of trip at a speed of

40km per hour. What should be the speed for next 480 km so that the

average speed is 60 km per hour?

Explanation:

Answer 2

Explanation:

weight of the man = 70kg

weight of the thing carried = 10kg

height of the tower = 100m

need to find out :

the work done

solution :

total weight = 70+10 = 80kg

work done = mgh

                = 80 * 10 * 100 

                = 80,000 J

therefore the work done = 80,000 J

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