Asked by Anonymous
A 800. kg car starts from rest and accelerates uniformly to 19.0 m/s in 22.0 s. Assume that air resistance remains constant at 340 N during this time. Find (a) the net force on the car
Answers
Answered by
Elena
v=v₀+a•t => a=(v-v₀)/t
m•a=F-F(resist),
F= m•a+F(resist)=
=m• (v-v₀)/t + F(resist)=
=800•(22-0)/22 +340 =…
m•a=F-F(resist),
F= m•a+F(resist)=
=m• (v-v₀)/t + F(resist)=
=800•(22-0)/22 +340 =…
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