Question

Damon pulls on a large block (40 kg) with a force 𝐹⃑ = 13𝑁 𝑖̂+ 3𝑁 𝑗. Maggie ̂ pushes the block with a 12N 𝑖̂force. The block is initially moving to the right. The friction force has a magnitude of 26 N. Using a forces approach, find the acceleration of the block and state if the block is speeding up or slowing down.

A child drops a brick from their balcony. It hits the ground 8 s after it is dropped. Using kinematics: (a) When the brick hits the ground, what is the displacement of the brick from the point where it was dropped? (b) What is the velocity of the brick just before it hits the ground?

Answer 1

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