When work is done, an object changes its
1 answer:
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Answer:
The torque about his shoulder is 34.3Nm.
The solution approach assumes that the weight of the boy's arm acts at the center of the boy's arm length 35cm from the shoulder.
Explanation:
The solution to the problem can be found in the attachment below.
Answer:
No. of 100 W bulbs, n = 28,539 bulbs
Given:
Power of a single bulb = 100 W
Time period, T = 1 yr = = 31,536,000 s
mass of matter, m = 1 g =
Solution:
According to Eintein's mass-energy equivalence:
E =
E =
E =
Power of a single bulb, P =
P =
P = 28,53,881 W
No. of 100 W bulbs, n =
n =
n = 28,539