5) A woman stands on the edge of a cliff and throws a stonevertically downward w
ID: 1729599 • Letter: 5
Question
5)
A woman stands on the edge of a cliff and throws a stonevertically downward with an initial speed of 10 m/s. The instantbefore the stone hits the ground below, it has 450 J of kineticenergy. If she were to throw the stone horizontally outward fromthe cliff with the same initial speed of 10 m/s, how much kineticenergy would it have just before it hits the ground?
A )
800 J
B )
100 J
C )
450 J
D )
The mass of the object is needed.
E )
950 J
F )
50 J
5)
A woman stands on the edge of a cliff and throws a stonevertically downward with an initial speed of 10 m/s. The instantbefore the stone hits the ground below, it has 450 J of kineticenergy. If she were to throw the stone horizontally outward fromthe cliff with the same initial speed of 10 m/s, how much kineticenergy would it have just before it hits the ground?
Explanation / Answer
kinetic energy would it have just before it hits the ground is 410 J
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