For a body projected at an angle with the horizontal from the ground, choose the correct statement. [2023]

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Solution

Q.
For a body projected at an angle with the horizontal from the ground, choose the correct statement. [2023]

1 Gravitational potential energy is maximum at the highest point.

2 The horizontal component of velocity is zero at highest point.

3 The vertical component of momentum is maximum at the highest point.

4 The kinetic energy (K.E.) is zero at the highest point of projectile motion.

Ans.
(1)

$At highest point V_{y} = 0$

$V_{x} = u_{x} = u \cos θ$

$U_{g} = m g h, it is maximum at H_{\max}$

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Solution

Q. For a body projected at an angle with the horizontal from the ground, choose the correct statement. [2023]

1 Gravitational potential energy is maximum at the highest point.

2 The horizontal component of velocity is zero at highest point.

3 The vertical component of momentum is maximum at the highest point.

4 The kinetic energy (K.E.) is zero at the highest point of projectile motion.

Ans. (1) At highest point Vy=0 Vx=ux=ucosθ Ug=mgh, it is maximum at Hmax

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Q.
For a body projected at an angle with the horizontal from the ground, choose the correct statement. [2023]

Ans.
(1)

$At highest point V_{y} = 0$

$V_{x} = u_{x} = u \cos θ$

$U_{g} = m g h, it is maximum at H_{\max}$