- Energy from the Sun that reaches the Earth
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Explanation:
The given data is as follows.
mass (m) = 5 kg
Height of tower = 15 m
u = 7 m/s
air resistance = 610 v
(a) Now, differential equation for the given mass which is thrown vertically upwards is as follows.
= F
-bv = Fr
Here, mg is downwards due to the force of gravity.
= 0
Hence, the differential equation required to solve the problem is as follows.
= 0
(b) When final velocity of the object is equal to zero then the object will reach towards its maximum height and it will start to fall downwards.
F =
= 0
Therefore, the object reach its maximum height at v = 0.
Displacement is how much of a liquid (typically water for simplicity in the metric system) is pushed aside when another object is completely submerged. For example, when a 100mL of water has a block placed into it, and rises to 150mL, the block has displaced the water.