Question

i) An object of mass 40 kg is raised to a height of 5 m above the ground. What is its potential
energy at the highest position? If the object is allowed to fall, find the kinetic energy when it is
half way down.
(g = 9.8 m/s2)​

Answer 1

Answer:

hope it help u..........................................

Explanation:

Some students of a school planned a picnic. The budget was 500. But 50 of them failed to come and thus the cost of the food each student increased by 5. how many student attended the picnic

Answer 2

$121.02 \: joules \:$

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