Physics, 21.11.2019 01:31 pearljammarow6ujs
Apeacock mantis shrimp smashes its prey with a hammer-like appendage by storing energy in a springlike section of exoskeleton on its appendage. the spring has a force constant of 5.9×104n/m.
part a if the spring stores 0.0106 j of energy, over what distance must the shrimp compress it? express your answer to two significant figures and include appropriate units.
part b
what power does the shrimp generate if it unleashes the energy in 0.0016 s? (the power per mass of the shrimp appendage is more than 20 times greater than that generated by muscle alone, showcasing the shrimp's ability to harness the potential energy of its spring.)
express your answer to two significant figures and include appropriate units.
Answers: 1
Physics, 22.06.2019 10:00
The rocket is fired vertically and tracked by the radar station shown. when θ reaches 66°, other corresponding measurements give the values r = 32700 ft, r¨ = 85 ft/sec2, and θ˙ = 0.019 rad/sec. calculate the magnitudes of the velocity and acceleration of the rocket at this position.
Answers: 3
Physics, 22.06.2019 11:00
The star betelgeuse is about 600 light-years away. if it explodes tonight, a. we'll know because debris from the explosion will rain down on us from space.b. we'll know it immediately because it will be brighter than the full moon in the sky.c. we won't know about it until 600 years from now.d. none of the above.
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Apeacock mantis shrimp smashes its prey with a hammer-like appendage by storing energy in a springli...
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