# 11.2.3. Vertical Motion under the Effect of Gravity – Free Fall

If a construction worker dropped a piece of concrete from a high scaffold, determine its velocity after a time of s, considering the gravitational acceleration .

• Am/s
• Bm/s
• Cm/s
• Dm/s
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A building worker dropped a piece of concrete from a high scaffold. Determine the distance covered by the piece of concrete in 7 seconds, considering the gravitational acceleration .

• Am
• Bm
• Cm
• Dm
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If an apple fell from a tree, and it reached the ground after 1.5 seconds, calculate the velocity of the apple at the moment of reaching the ground surface.

• Am/s
• Bm/s
• Cm/s
• Dm/s
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An apple fell from a tree, and after a time of s, it reached the ground. Determine how high the apple was from the ground, given that the gravitational acceleration .

• Am
• Bm
• Cm
• Dm
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A body is projected vertically upwards with a velocity of m/s. Determine the time taken to reach the maximum height, given that the gravitational acceleration .

• As
• Bs
• Cs
• Ds
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Given that a body fell from a height m, where the gravitational acceleration , determine the time it took to reach the ground.

• A7.58 seconds
• B5.36 seconds
• C3.79 seconds
• D
57.45
seconds
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A body fell vertically downwards. Find the velocity of the body after 7.1 seconds from falling, given that the gravitational acceleration .

• Am/s
• Bm/s
• Cm/s
• Dm/s
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A boy is trying to do football kick ups. If the ball took 2.6 seconds from the moment he kicked it until it got back to his foot, and , determine the ball’s initial velocity.

• Am/s
• Bm/s
• Cm/s
• Dm/s
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A body is projected vertically upwards with a velocity of m/s from a top of a tower whose height is m. Find the maximum height that the body can reach measured from the ground level, given that the gravitational acceleration .

• Am
• Bm
• Cm
• Dm
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A body is projected vertically upwards from the top of a tower with a velocity of m/s. Given that the height of the tower is 85.4 meters and the gravitational acceleration , determine the time it takes for the body to reach a velocity of m/s while ascending.

• As
• Bs
• Cs
• Ds
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A stone was thrown in a well with a velocity of m/s, and it reached the bottom after 4 seconds. Given that , determine the stone’s velocity at the moment of collision with the bottom.

• Am/s
• Bm/s
• Cm/s
• Dm/s
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A stone was projected in a well with a velocity of m/s, and it reached the bottom in 5.5 seconds. Determine the depth of the well , given that the gravitational acceleration.

• Am
• Bm
• Cm
• Dm
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A body was projected vertically upwards from the top of a tower, whose height is m, at a velocity of m/s. Find the time taken by the body to go back to the projection point, given that the gravitational acceleration .

• As
• Bs
• Cs
• Ds
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