How much potential energy does the ball have when it reaches the top of its ascent
2 answers:
Its has the most it will have during its descent because as it goes down the kinetic energy replaces potential
At the top of its ascent, the ball has potential energy equal to
(its weight) times (the height of its ascent) .
If we knew either of those quantities, then we could give you
a number for its potential energy. But the question has no
given information.
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Answer:
ω₂ = 1.9025 x 10⁻⁶ rad/s
Explanation:
given,
mass of star = 1.61 x 10³¹ kg
angular velocity = 1.60 x 10⁻⁷ rad/s
diameter suddenly shrinks = 0.29 x present size
r₂ = 0.29 r₁
using conservation of angular momentum
I₁ ω₁ = I₂ ω₂
ω₂ = 1.9025 x 10⁻⁶ rad/s
Answer:
huh,? can you explain the question more please
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It is a physical change, as only the dimensions changed, not the chemical structure.
Answer:
the electromagnetic force
