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liubo4ka [24]
2 years ago
7

4) A motorcycle travels at a constant 90 km per hour in the positive direction down a straight line highway.

Physics
1 answer:
ipn [44]2 years ago
6 0

Answer:

1875 meters

Explanation:

We are given;

  • Velocity of the motorcycle as 90 km/hr
  • Time as 75 seconds

We are required to calculate the displacement;

  • First we will convert speed to m/s
  • The suitable conversion factor will be;

1 m/s = 3.6 km/hr

Therefore, 90 km/hr

= 90 km/hr ÷ 3.6 km/hr per m/s

= 25 m/s

But;

Displacement = Velocity × time

Thus;

Displacement = 25 m/s × 75 seconds

                       = 1875 meters

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