in which sample of water do the water particles have more energy: 5g of ice cubes at -10 OC, or 5 g of liquid water at 20 0C? Ex
1 answer:
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Answer:
W = 181.26 J
Explanation:
Given that,
The force acting on the cart, F = 20 N
It is at an angle of 25 degrees above the horizontal to move a crate a distance of 10m across the floor.
We need to find work done by the student. The work done by the student is given by :
So, the required work done is 181.26 J.
We have that
From the question we are told
- Earth's daylight surface disk absorbs about 1169 W per m^2.
- 6400 km for the Earth's radius.
Generally the equation for the earths daylight surface disk area is mathematically given as
Generally
Energy absorbed = energy emitted
Therefore
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