Average acceleration of the clay during the time
A ball of moist clay drops 19.0 m to the ground. It is in contact with the ground for 21.5 ms before stopping.
(a) What is the average acceleration of the clay during the time it is in contact with the ground? (Treat the ball as the particle.)
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The coefficient of static friction among the ladder and the ground is 0.70 and the ladder forms a 50.0° angle with the ground. Determine how far up the ladder can 740 N person climb before the ladder starts to slip?
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What is the average acceleration of the clay during the time it is in contact with the ground? (Treat the ball as the particle.)
While running, a person dissipates around 0.60 J of mechanical energy per step per kilogram of body mass. When a person of 52 kg develops a power of 73 W throughout a race, determine how fast is the person running? (Suppose a running step is 1.5 m
A long pole of 4.00 m stands vertically in a lake with a depth of 2.00 m. If the Sun is 40.0 degrees above the horizontal, find out the length of the pole's shadow on the bottom of the lake. Take the index of refraction for water to be around 1.33
A paired-difference experiment dealing with the response latencies for noise detection under two conditions employed a sample of twelve 9-month-old children and reported sample mean difference of 70.1 and standard deviation of 49.4 for differences
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