Question

sold 1/3 of the goods purchased on the 1st to potter @5% on account of trade discount​

Answer 1

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