sold 1/3 of the goods purchased on the 1st to potter @5% on account of trade discount
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Answer:
Explanation:
The kinetic energy of an object depends on its mass and the speed at which it is moving.
The expression is:
KE
=
1
2
m
v
2
So using the values given:
KE
=
1
2
×
100
×
7
2
∴
KE
=
1
2
×
100
×
49
KE
=
2450
J
=
2.45
kJ
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