Grade 8 Physics

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A runner covers a distance of 100 m in 10 s. His average speed is:

A car covers a distance of 120 km in 2 h. Its average speed is:

The average speed of an airplane is 810km/h. The speed of this plane in m/s is:

Ahmad leaves his house at 8h 25min in the morning and reaches school at 9h 15 min. The duration of his trip is:

A car moves with a speed of 40km/h, suddenly, the driver hits the brakes. The motion is said to be:

The (SI) unit of the instantaneous speed is :

The speed of light in space is estimated to be 300000km/s. The distance Sun – Neptune is 4.536 × 〖10〗^9 km . The duration that light travels from the Sun to Neptune is:

When the speed of a moving object increases, its motion is: