A 20.0 g marble moving to the right at 28.0 cm/s overtakes and collides with a 19.0 g marble moving in the same direction at 16.0 cm/s. After the collision, the 19.0 g marble moves to the right at 24.3 cm/s. Find the velocity of the 20.0 g marble after the collision.
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Physics, 21.06.2019 14:30
If 1 lb of fat is stored by the body for each 14.6ร103kj of excess nutritional energy consumed, how long will it take this person to gain 1 lb?
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Physics, 22.06.2019 06:00
Complete the statement about memory improvement. ( )involves organizing and breaking down information into easier groups to expand capacity. rehearsal is the verbal repetition of information. these techniques are especially important for the improvement of ( ) memory.
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Physics, 22.06.2019 17:30
Asilver dollar is dropped from the top of a building that is 1324 feet tall. use the position function below for free-falling objects. s(t) = โ16t2 + v0t + s0 (a) determine the position and velocity functions for the coin. s(t) = v(t) = (b) determine the average velocity on the interval [1, 2]. ft/s (c) find the instantaneous velocities when t = 1 second and t = 2 seconds. v(1) = ft/s v(2) = ft/s (d) find the time required for the coin to reach the ground level. (round your answer to three decimal places.) t = s (e) find the velocity of the coin at impact. (round your answer to three decimal places.) ft/s
Answers: 3
A 20.0 g marble moving to the right at 28.0 cm/s overtakes and collides with a 19.0 g marble moving...
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