What is the spring constant of a spring that stretches 2.0 cm when a mass of 0.60 kg is suspended from it?
What will be an ideal response?
0.29 kN/m
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Multiple-Object Accelerating Systems: A 3.0-kg mass and a 5.0-kg mass hang vertically at the opposite ends of a rope that goes over an ideal pulley. If the masses are gently released from rest, how long does it take for the 3.0-kg mass to rise by 1.0 m?
A. 0.41 s B. 0.74 s C. 0.82 s D. 1.8 s E. 0.90 s
Which of the following is not an example of condensation at Earth's surface?
A) clouds B) dew C) frost D) fog
All thermal power plants run basically the same way
What will be an ideal response?
What does the theory neutrino oscillation explain?
a. Why more electron neutrinos leave the Sun and more muon and tau neutrinos reach the Earth. b. Why exactly 1/3 of the neutrinos reaching Earth are electron neutrinos. c. Why more muon and tau neutrinos leave the Sun and more electron neutrinos reach the Earth. d. Why more electron and muon neutrinos leave the Sun and more tau neutrinos reach the Earth. e. Why the same proportion of neutrinos reach the Earth as leave the Sun.