Physics, 26.10.2019 17:43 alecnewman2002
Ahummingbird hovers by exerting a downward force on the air equal, on average, to its weight. by newton's third law, the air exerts an upward force of the same magnitude on the bird's wings. find the average mechanical power (in w) delivered by a 2.80 g hummingbird while hovering if its wings beat 70.0 times per second through a stroke 3.10 cm long.
Answers: 2
Physics, 21.06.2019 20:20
Aforce of 34n stretches a very light ideal spring 0.73 m from equilibrium, what is the force constant (spring constant) of the spring? (a) 47n/m (b) 38n/m (c) 53n/m (d) 25n/m
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Physics, 21.06.2019 21:00
50 g of ice at 0Β°c is dropped in a beaker containing 100 g of water at 0Β°c. what will be the contents of the beaker after 5 hours? assume that the room temperature is 0Β°c.
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Physics, 22.06.2019 14:00
Explain why you think this diagram shows what happened to the carbon in the biodome.
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Ahummingbird hovers by exerting a downward force on the air equal, on average, to its weight. by new...
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