Physics, 12.12.2019 19:31 ejhoff9713
You stretch a spring by a distance of 0.3 m. the spring has a spring constant of 440 n/m. when you release the spring, it snaps back. what is the kinetic energy of the spring as it reaches its natural length?
a.5.94 j
b.8.22 j
c.21.5 j
d.19.8 j
Answers: 1
Physics, 22.06.2019 07:30, amakayla57
Automobile fuel efficiency is often measured in miles that the car can be driven per gallon of fuel (mpg). heavier cars tend to have lower fuel efficiencies (lower mpg ratings). which variable (weight or fuel efficiency) is most naturally considered the explanatory (predictor) variable in this context?
Answers: 3
Physics, 22.06.2019 18:30, yuvraj2298
Ahot-air balloon takes off from the ground traveling vertically with a constant upward acceleration of magnitude g/4. after time interval δt, a crew member releases a ballast sandbag from the basket attached to the balloon. how many seconds does it take the sandbag to reach the ground? (express your answer in terms of δt)
Answers: 2
You stretch a spring by a distance of 0.3 m. the spring has a spring constant of 440 n/m. when you r...
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