Problem: An iron block with mass mB slides down a frictionless hill of height H. At the base of the hill, it collides with and sticks to a magnet with mass mM.What is the speed v of the block and magnet immediately after the collision?

FREE Expert Solution

From the conservation of energy:

PE = K.E

mBgH = (1/2)mBv02

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Problem Details

An iron block with mass mB slides down a frictionless hill of height H. At the base of the hill, it collides with and sticks to a magnet with mass mM.

What is the speed v of the block and magnet immediately after the collision?

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What scientific concept do you need to know in order to solve this problem?

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