Question

The velocity of projection of a body is increased by 2 percent
other factors reamaining unchanged, what will be the
Percentage change in the time of flight?​

Answer 1

Answer:

percentage change in time of flight is 2 percentage..

Answer 2

Answer:

Maximum height attained by a projectile is given by,

Given that, Velocity of projection is increased by 2 percent. Other factors, [ g, sinθ] are constant.

We can write,

By Error and Approximations,

We can write

Percentage change in Maximum Height attained by projectile = 2 * Change in percentage of Velocity of projection.

So,

Percentage change in Maximum height = 2 * 2% = 4%

Therefore, The velocity of projection of a body is increased by 2%. Other factors remaining unchanged, The percentage change in the maximum height attained is 4%

Explanation:

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