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# circular motion - PowerPoint PPT Presentation

circular motion. example: hammer throw. max dist. ~ 75m need to accelerate the hammer to a speed of about 30 m/s. hammer mass = 7.3 kg chain length = 1.2 m what’s the tension in the chain? P.S. now you know why hammer throwers are a bit on the hefty side….

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## PowerPoint Slideshow about ' circular motion' - giolla

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### circular motion

max dist. ~ 75m

need to accelerate the hammer to a speed of about 30 m/s.

hammer mass = 7.3 kg

chain length = 1.2 m

what’s the tension in the chain?

P.S. now you know why hammer throwers are a bit on the hefty side…

Rank in order from smallest to largest the free-fall acceleration on the surgfaces of these planets:

Phobos acceleration on the – the moon of Mars

mass = 1.08 1016 kg

radius ≈ 12 km

how large is the orbital speed around Phobos ?