Plasticine increases the weight/ mass of the trolley. Since momentum is conserved or remains constant, velocity reduces
johnmulu answered the question on February 14, 2017 at 06:59
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Date posted: February 14, 2017. Answers (1)
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Date posted: February 14, 2017. Answers (1)
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i) State with reason whether or not the bullet will land on the truck
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Date posted: February 14, 2017. Answers (1)
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Date posted: February 14, 2017. Answers (1)
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Date posted: February 14, 2017. Answers (1)
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Date posted: February 14, 2017. Answers (1)
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Date posted: February 14, 2017. Answers (1)
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Date posted: February 14, 2017. Answers (1)
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Date posted: February 14, 2017. Answers (1)
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Date posted: February 14, 2017. Answers (1)
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Date posted: February 14, 2017. Answers (1)
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A stone thrown vertically upwards reaches a height of 100 m. Determine the:
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(Neglect air resistance and take g = 10ms-2)
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Date posted: February 14, 2017. Answers (1)
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A ball of mass 200 g is thrown vertically upwards with velocity of 5 ms-1. The air resistance is 0.4 N. Determine:
i) The net force on the ball as it moves up;
ii) The acceleration of the ball;
iii) The maximum height reached by the ball,
(take acceleration due to gravity g = 10 ms-2)
Date posted: February 14, 2017. Answers (1)
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Date posted: February 14, 2017. Answers (1)
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A trolley moving on a horizontal bench of height 1.2 m, strikes a barrier at the edge of the bench. The brass mass on the top of the trolley flies off on impact and lands on the ground 2.5 m from the edge of the bench. Determine:
i) The time taken by the brass mass to reach the ground
ii) The speed at which the trolley struck the barrier.
Date posted: February 14, 2017. Answers (1)
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i) Its acceleration;
ii) Its velocity after 7 seconds
Date posted: February 14, 2017. Answers (1)
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Date posted: February 11, 2017. Answers (1)
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Date posted: February 11, 2017. Answers (1)
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Date posted: February 11, 2017. Answers (1)
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Date posted: February 11, 2017. Answers (1)