chrischris1
10.07.2019 •
Physics
Assume that the light from the flashlight is light from a star. identify the spot where the light from this “star” is most concentrated.
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Ответ:
Ответ:
the kinetic energy is 120 J
Explanation:
a. The computation of the kinetic energy before it strikes the glove is as follows:
As we know that
The Kinetic energy is
= 1 ÷ 2 × m × v^2
= 1 ÷ 2 × (0.15)(40^2)
= 120 J
Hence, the kinetic energy is 120 J