Question

Hurry up !!!!! guys ....... I need your help!!!
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Answer 1

v = u + at

-20/10 = a

a = -2cm/s

Force = m × a

= -40

Answer 2

Answer:

-40 dyne

Explanation:

Force= m*a

= 20g *(v-u)/t

=20*(0-20)/10

=20*(-2)

=-40 gm*cm/s^2

=-40*10^-5 N

Hope that helps!