Question

A body is from best from one end of
an inclined
plane of length in and
reaches
the other end of the inclined
plane in 5s,
5s, then acceleration of
the
body is
A) 0.02 m/s² B) 0.04 mis? c) 0.08 m/s2
O . 2 m/s²
e
c)​

Answer 1

Please post the full Question...

Answer 2

Answer:

New value of x =

100

80

x=0.8x

New value of y

2

=

100

80

y×

100

80

y=0.64y

2

∴ New value of expression =0.8x×0.64y

2

=0.512xy

2

∴ % reduction in the value =

xy

2

xy−0.512xy

2

×100%

=(0.488×100)%

=48.8%......