What is the mechanical energy of the cart on the right at position A. The
2 answers:
Answer:
1800 J
Step-by-step explanation:
At point A when the cart is not in motion, it only has potential energy.
We know that potential energy is given by mgh where m is the mass of the cart, g is acceleration due to gravity and h is the height.
Substituting 12 kg for m, 10 m/s2 for g and 15 m for h then
PE= 12*10*15=1800 J
Answer:
1800
Step-by-step explanation:
P.E. =m.g.h = 12x10x15 = 1800 Joules
K.E/ = 1/2 mv2 = 1/2x12x02 = 0
P.E = 1800 | K.E. 0
M.E. = 1800 + 0 = 1800 Joules
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Answer:
$2520
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