Answer:
The top of the block has an area of 0.25m².
i) a Calculate the pressure on the top face of the block.
ii) The atmospheric pressure is 1.0 × 10⁵ Pa.
Calculate the pressure on the top face of the block due to the depth h of water.
iii) The density of sea water is 1020kg/m³.
Calculate the depth h.
Answer:
D) No, because of the way work is defined
Explanation:
There is no motion in the direction of the force, then no work is done by that force. ... But the work done on the box is zero since by moving in a straight line at constant speed, its energy is remaining the same.
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Answer:
E= 2.158× 10*5N/C
Explanation:
K= 8.99×10*9, q= 6×10*-6C, d= 0.5m
E= kq/d*2
E= (8.99×10*9× 6×10*-6)/0.5*2
E= 215760
E= 2.158 ×10*5N/C
