A ballot mass kg thrown up with a speed of 10 m per second. Find the kinetic energy of at the time of throwing. Also find the potential energy of the ball at the highest point.
maria9:
where is the mass of the ball
ballot*
A ball of mass 2 kg
see this
okk
:)
okys
Answers
Answered by
6
at the time of throwing
KE = 1/2 x 2 x 10 x 10
=100 J
at the highest point
PE = KE = 100 J
KE = 1/2 x 2 x 10 x 10
=100 J
at the highest point
PE = KE = 100 J
maria mass is not given
u assumed it 2 kg..
see comments abhi
Answered by
3
we know that kinetic energy is due to the virtue of motion
K.E= 1/2 × mv^2
so at the time of throwing
speed of ballot(v) = 10m/S
mass of ballot(m) = m kg
so K.E = 1/2 × 2×(10)^2
= 100 J
maximum height (H) = u^2/2g
=10×10/2×10
= 5 m
so potential energy = mgh
=2×10× 5
=100 J
______________________________
K.E= 1/2 × mv^2
so at the time of throwing
speed of ballot(v) = 10m/S
mass of ballot(m) = m kg
so K.E = 1/2 × 2×(10)^2
= 100 J
maximum height (H) = u^2/2g
=10×10/2×10
= 5 m
so potential energy = mgh
=2×10× 5
=100 J
______________________________
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