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A ball of mass m is thrown vretically up. another ball of mass 2m is thrown at an angle theta with the vertical both of them stay in air for the same period of time. what os the ratio of the height attained by the 2 balls?
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A ball of mass m is thrown vretically up. another ball of mass 2m is t...
Yup i find the answer...the ratio of the height of the 2 balls is 1:1...😊👍
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A ball of mass m is thrown vretically up. another ball of mass 2m is t...
Introduction:
In this scenario, we have two balls, one with mass m and the other with mass 2m. The first ball is thrown vertically upwards, while the second ball is thrown at an angle θ with the vertical. Both balls stay in the air for the same period of time. We need to determine the ratio of the heights attained by the two balls.

Analysis:
To solve this problem, we can consider the motion of each ball separately and then compare their heights.

Ball thrown vertically:
When the ball with mass m is thrown vertically upwards, it experiences a downward force due to gravity. The only force acting on the ball is its weight, which can be calculated as W = mg, where g is the acceleration due to gravity. The net force acting on the ball is given by F = ma, where a is the acceleration of the ball.

Using Newton's second law, we have F = ma = -mg, where the negative sign indicates the opposite direction to the upward motion. Solving for acceleration, we get a = -g. Since the ball stays in the air for a certain time, the total change in velocity is zero when it reaches its maximum height. Therefore, the initial velocity u is equal to the final velocity v at the maximum height.

Using the equation v = u + at, we can rewrite it as 0 = u - gt. Solving for u, we get u = gt. Now, using the equation v^2 = u^2 + 2as, where s represents the height, we can substitute the values to find the height h.

v^2 = (gt)^2 + 2(-g)s
0 = g^2t^2 - 2gs
2gs = g^2t^2
s = (g^2t^2)/(2g)
s = (gt^2)/2

Ball thrown at an angle:
When the ball with mass 2m is thrown at an angle θ with the vertical, it experiences two forces - its weight (2mg) in the downward direction and an upward force due to the projection. The net force acting on the ball is given by F = ma, where a is the acceleration of the ball.

Using Newton's second law, we have F = ma = 2mg - Fp, where Fp is the upward force due to the projection. We can decompose this force into two components - one in the vertical direction and another in the horizontal direction.

The vertical component of the force is given by Fp_vertical = Fp * sin(θ), where θ is the angle with the vertical. The horizontal component of the force is given by Fp_horizontal = Fp * cos(θ).

The vertical component of the force is responsible for the vertical motion of the ball. The horizontal component does not affect the height attained by the ball.

Using the equation v = u + at, we can calculate the time taken for the ball to reach its maximum height. The initial velocity u is given by Fp_vertical = mu, where m is the mass of the ball.

Using the equation v^2 = u^2 + 2as, we can substitute the values to find the height H attained by the ball.

v^2 = u^2 + 2as
0 = u^2 - 2g
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A ball of mass m is thrown vretically up. another ball of mass 2m is thrown at an angle theta with the vertical both of them stay in air for the same period of time. what os the ratio of the height attained by the 2 balls?
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