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How long must a tow truck apply a force of 600 N to increase the speed of a 1,500 kg car at rest to 2 m/s?

Respuesta :

onyebuchinnaji

The time the truck must apply the given force to increase its speed to given value is 5 s.

The given parameters;

  • applied force, F = 600 N
  • mass of the truck, m = 1,500 kg
  • speed of the truck, v = 2 m/s

The force applied to the truck is determined by Newton's second law of motion; which states that the force applied to an object is directly proportional to the product of mass and acceleration of the object.

F = ma

[tex]F = \frac{mv}{t} \\\\t = \frac{mv}{F} \\\\t = \frac{1500 \times 2}{600} \\\\t = 5 \ s[/tex]

Thus, the time the truck must apply the given force to increase its speed to given value is 5 s.

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