Taylor103377 Taylor103377

15-01-2018
Physics

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A 75 n force pulls a child and a sled initially at rest down a snowy hill. If the combined mass of the child and sled is 55 kg, what is their speed after 7.5?

Respuesta :

shariquekhan25ow696t shariquekhan25ow696t

15-01-2018

you can calculate the acceleration
FORCE = MASS*ACCELERATION
75/55 = acceleration
1.36 m/s,^2
the velocity will be
v= at
v = 1.36*7.5
v= 10.2 m/s

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