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Evan Toh
Nov 30, 20231 min read
Resultant force-time graph link to speed-time graph
Answer: Option A Refer to the video tutorial below for explanation.
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Evan Toh
Nov 30, 20231 min read
Ball thrown vertically up from building and falls to ground
A rock is thrown vertically upwards with a velocity of 29.4 m/s from the top of a building 78.4 m high. After how long will the rock...
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Evan Toh
Nov 30, 20231 min read
Kinematics – Two balls free-fall with different mass and height
Solutions: Option B Key concepts: Both balls are free-falling, hence both will experience the same acceleration due to gravity 10 m/s2.
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Evan Toh
Nov 30, 20231 min read
Kinematics – Swimmer in river with current, find distance downstream
Solutions: Option B Without the current in the river, the time taken for the swimmer to reach Q is 50s. This is based on the vertical...
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Evan Toh
Nov 30, 20231 min read
Kinematics Question – Using gradient and area under graph
Solutions: Option B
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