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A rabbit runs in a straight line with a velocity of +1.4 m/s for a period of time, rests for 11 s, and then runs again along the same line at +0.67 m/s for an unknown amount of time. The rabbit travels a total distance of 1224 m, and its average speed is 0.84 m/s.
a) How long does it spend running at 0.67 m/s?
b) What is the total time the rabbit spends running at 1.4 m/s?
If the weight of a room full of water is so great, why don't the first floors of houses built over basements all collapse as flooded to the ceiling.
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calculate the power transferred from a power amplifier to a loudspeaker if the amplifier output voltage is 10 volts and
A spring mass system moves with ω = 10 rad/s. The oscillation starts when the mass has been pulled 0.08 m to the right of equilibrium and given an initial speed of -1.2 m/s (to the left)
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