Explanation:
work done=force ×distance
force=Mass ×accelleration
work done=50×8×0.4
=160J
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Answer:

Explanation:
given,
street light height = 13 ft
man height = 6.3 ft
speed of the man = 3.5 ft/sec



hL = H(L-x)
hL = HL-Hx


L = 1.94 x



Hello there.
<span>6. The specific heat capacity of aluminum is 0.22 cal/g°C. How much energy needs to flow into 20.0 grams of aluminum to change its temperature by 15°C?
</span><span>1363 cal
</span>
Hello there.
Question: <span>Which is an example of a covalent bond?
Answer: Water and Diamonds are good examples of covalent bonds.
Hope This Helps You!
Good Luck Studying ^-^</span>
I believe the answer is B. let me know If I was right.