Physics, 05.08.2021 17:40 Leonorareed5145
A girl of mass 550 N throws a ball (0.80 kg) against a wall. The ball strikes the wall horizontally with a speed of 25.0 m/s, and bounces back at the same speed. The ball is in contact with the wall for 0.05 s. What is the magnitude of the average force exerted on the wall by the ball
Answers: 3
Physics, 21.06.2019 22:30
Curious carl calculated the density of a cube to be 4.50 g/cm3. what is the density of the cube in g/l?
Answers: 1
Physics, 22.06.2019 10:30
You are given two vectors aā =ā3.00Ī¹^ 5.00j^ and bā =5.00Ī¹^ 2.00j^. let the counterclockwise angles be positive.
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Physics, 22.06.2019 14:40
A5 foot by 5 foot box culvert is buried 6 feet beneath the surface of the ground. a crosssection of this very long culvert (into and out of the page) is illustrated below. assume that the soil in which the culvert is buried has the following properties: jt = 120 pcf, w = 12%, ko = 0.50, ka = 0.33, and kp = 3.00. calculate the total horizontal force per unit length of culvert (fh) felt on one of the vertical faces of the culvert.
Answers: 1
A girl of mass 550 N throws a ball (0.80 kg) against a wall. The ball strikes the wall horizontally...
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