Question

8. The percentage errors in the measurement of mass
and speed are 2% and 3% respectively. How much
will be the maximum error in the estimation of the
kinetic energy obtained by measuring mass and
speed
a) 11%
b)
8%
c) 5%
d) 1%​

Answer 1

Answer:

KE=

2

1

mv

2

Thus,

KE

△KE

×100=

m

△m

×100+2

V

△V

×100

=2+2×3

=8%