Answer:
The volume of a ball that is 24 cm across is :
d). v = four-thirds pi 12 cubed
Explanation :
Ball is a sphere and volume of sphere is given by :
r = radius of ball
r = 12 cm
Volume is :
Scientists define work as the spending of energy. True False
1 answer:
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Answer : The correct option is, (D)
Solution :
Formula used :
where,
Q = heat released = -1300 J
m = mass of water = 40 g
c = specific heat of water =
= final temperature = ?
= initial temperature =
Now put all the given values in the above formula, we get the final temperature of water.
Therefore, the final temperature of the water is,