A mass is stretched 4cm from equilibrium position of a spring. If the displacement is doubled, what can be concluded about the restoring force? A. It halved. B. Same C. Increased by 4 D. Decreased by 4
If you know that the period of a pendulum is 1.87sec. What is the length of that pendulum? (gravity 9.81m/sec squared)
Two balls undergo inelastic collision. The y-momentum after the collision is 98 kilogram meters/second, and the x-momentum after the collision is 100 kilogram meters/second. What is the magnitude of the resultant momentum after the collision?
thank you very much for your help M Bil
A golf ball is it with the initial velocity of 50.0 m/s at an angle of 55 degrees above the horizontal. (a) How high will the ball go? (b) What is the total time the ball is in the air? (c) How far will the ball travel horizontally before it hits the ground?
To bobpursley, the half life is 40.(potassium 40)
How long will it take for Potassium to have a 25% of oringinal radioactive product left?
In comparison to the 17th century, the 18th century was ______. A. more internally stable; however, lesser rebellions and issues still occurred within Great Britian. B. much more violent; workers' riots and rebellions led to large numbers of deaths. C. filled with politica...
Adult Development and Life Assessment
Experiment: roll a fair die and flip a fair coin. What is the probability is that you roll a 3 and flip a head?
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