Answer to Question #84909 in Physics for jade

Question

a man pushes a 2,220 kg car with an average force of 128 N for 7.56 s. The impulse on the car is ___ N•s

Answer 1

By the definition of the impulse, we have:

$J = F \cdot \Delta t,$

here,

$J$

is the impulse on the car,

$F$

is the average force that acts on the car,

$\Delta t$

is the time during which the force acts on the car.

Then, we get:

$J = F \cdot \Delta t = 128 N \cdot 7.56 s = 968 N \cdot s.$

Answer:

$J = 968 N \cdot s$

.