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Bingel [31]
3 years ago
8

an NHL hockey player (m=90 kg) stands motionless on the ice . the 10 kg stanley cup is thrown to the player at 4m/s. after he ca

tches the cup determine the speed of the player cup combination. assuming there is no friction between the skates and the ice?
Physics
1 answer:
spayn [35]3 years ago
4 0

Answer:v=0.4 m/s

Explanation:

Mass hockey player m_1=90 kg

mass of  cup m_2=10 kg

Velocity of cup u=4 m/s

let v be the velocity of the combined system

Conserving momentum

m_1\cdot 0+m_2u=(m_1+m_2)v

v=\frac{10\times 4}{100}

v=\frac{40}{100}

v=0.4 m/s

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A cylindrical blood vessel is partially blocked by the buildup of plaque. At one point, the plaque decreases the diameter of the
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6 0
3 years ago
Calculate the distance travel if it accelerates from 0 to 27.8 meters per second in 2.5 seconds
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The distance travel is 69.5 meters.

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8 0
4 years ago
You comb your hair and the comb becomes negatively charged. Strictly speaking, how will the mass of your hair change? A. it wil
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4 years ago
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