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An automobile of mass 1500 kg is moving at 15 m/s. What
average net forward force is required to accelerate the
automobile to 25 m/s over a distance of 100 m?

Please I beg you help me

Respuesta :

saraharif006

Answer:

Explanation:

m = 1500 kg

u = 15 m/s

v  = 25 m/s

s = 100 m

[tex]v^{2} = u^{2} + 2as[/tex]

[tex]25^{2} = 15^{2} + 2a[/tex] × 100

625 = 225 + 200 a

-200a = 225 - 625

-200a = -400

a = 400 / 200

a = 2 m/s

f = ma

f = 1500 × 2

= 3000 N

Hope this helps

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