Alex Throws a 0

question 15

Multiple Choice

Alex throws a 0.15-kg rubber ball down onto the floor.The ball's speed just before impact is 6.5 m/s and just after is 3.5 m/s.If the ball is in contact with the floor for 0.050 s,what is the magnitude of the average force applied by the floor on the ball?

• A) 60 N
• B) 133 N
• C) 30 N
• D) 3.5 N

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Substances in the air that can have harmful effects on the health of living creatures or the environment, including gases, particulates, and biological molecules.

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The ongoing rise in Earth’s surface temperature, primarily due to the emission of greenhouse gases from human activities, leading to climate change and associated impacts.

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The layer of the Earth's atmosphere located above the troposphere, characterized by a slight temperature increase with altitude and the presence of the ozone layer.

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