How far will spring deflected if energy of falling body goes
A 10 kg mass falls 3 m until it strikes a spring. If the spring modules k is 1000 N/m, how far will the spring be deflected if all the energy of the falling body goes into compressing the spring?
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Suppose that the true proportion of people who have heard of the Summit Series of 1972 is a dismally low 0.09. If a random sample consisted of 300 people, what is the probability of the sample proportion being less than 0.11?
What is the electric flux of this electric field through the surface of a square if the normal to the surface is in the +x direction?
Pure benzene has a freezing point of 5.45 C and a boiling point of80.2C. Its constants for freezing point depression and boilingpoint elevation are -5.07 C/m and +2.53 C/m .
If he arches his back even more, reducing the effective distance from his shoulders to his knees to 41.2 cm, what would the wind speed need to be to support him?
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Water is one of the few substances on earth that increases involume when it changes from the liquid state to the solid state.What happens to the density of water during this change?
A 0.500 kg particle moves in a circle of radius R=0.150 m at constant speed. The time for 20 complete revolutions is 31.7 sec. What is the magnitude of the centripetal acceleration?
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