IGCSE Physics Specific

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A tunnel has a length of 50 km. A car takes 20 min to travel between the two ends of the tunnel. What is the average speed of the car?

• 2.5 km / h

• 16.6 km / h

• 150 km / h

• 1000 km / h

A small steel ball is dropped from a low balcony. Ignoring air resistance, which statement describes its motion?

• It falls with decreasing acceleration.

• It falls with constant acceleration.

• It falls with decreasing speed.

• It falls with constant speed.

Tags

NGSS.HS-PS2-1

Which speed/ time graph applies to an object at rest?

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• 150 m

• 300 m

• 600 m

• 1200 m

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Tags

NGSS.HS-PS2-1

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• D

Tags

NGSS.HS-PS2-1

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measure of power

• volt

• ohm

• watt

• amp

What is the power of a 20V bulb with 5A through it?

• 100W
• 100V
• 6.3W
• 6.3A