Match the following
A
B
(a)
a hectare
1.
1000 ml
(b)
a quintal
2.
10,000 sq m
(c)
a metric ton
3.
100 kg
(d)
a litre
4.
1000 kg
What is the kinetic energy of a body of mass 10 kg moving at a speed of 10 m/s?