Please help. A tennis ball weighing 0.5 kg is served across the tennis court and hits at a velocity of 3m/s. A bowling ball weighing 7 kg is rolled down an alley at 2 m/s. Which object has more kinetic energy? Explain your answer using scientific evidence and reasoning.
Answers: 3
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What type of matter is made of only one kind of atom
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In november 1987, a massive iceberg broke loose from the antartic ice mass and floated free in the ocean. the chunk of ice was estimated to be 98 mi long, 25 mi wide, and 750 ft thick. a typical backyard swimming pool contains about 24,000 gallons of water. how many of these pools could you fill from the water in this iceberg? (assume the iceberg is a rectangular solid of the above dimensions and consists of water only). express answer in scientific notation.
Answers: 3
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If a 20.0ml test tube measures 15.0cm, what is the length in meters?
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