Car with a mass of 1210 kg moving at a velocity of 51 m/s.
2. What velocity must a 1340 kg car have in order to have the same momentum as a 2680 kg truck traveling at a velocity of 15 m/s to the west? 3.0 X 10^1 m/s to the west.
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Like theories, scientific laws describe phenomena that the scientific community has found to be provably true. Generally, laws describe what will happen in a given situation as demonstrable by a mathematical equation, whereas theories describe how the phenomenon happens.
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Answer:
Explanation: Two possible solutions
in the absence of friction
mgh = ½mv²
h = v²/2g = 24.4²(2(9.81) = 30.344... = 30.3 m
if enough rolling friction exists to keep the ball from sliding, but ignoring air resistance and assuming the ball is already rolling smoothly at the start
mgh = ½mv² + ½Iω²
mgh = ½mv² + ½((2/3)mR²)(v/R)²
2gh = v² + (2/3)v²
2gh = (5/3)v²
h = (5/6)v²/g
h = (5/6)24.4²/9.81 = 50.5742 = 50.6 m
Answer:
Shown below
Explanation:
Separation techniques of salt soluble in water.