Question

At what time a body will get of mass 0.01 grams displaced 5 cm and momentum 2.5 kg m/s ?

----------PLEASE ANSWER :)----------------

Answer 1

p=mv

m=0.01 grams=1*10⁻⁵ kg

v=p/m

=2.5/1*10⁻⁵

=2.5*10⁵ m/s

t=s/v

s=0.05 m

t=0.05/2.5*10⁵

=2*10⁻⁷ sec