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2 cards from this section. Quick, good the night before a test.
What is the role of velocity in vehicle design?
Think about safety and braking distances.
Can you name a sport where acceleration is essential?
Consider competitive sports.
What is velocity?
Remember the difference between speed and velocity.
Acceleration affects how quickly an object can change its speed. True or False?
Consider the definition of acceleration.
A car decelerates from a speed of 60 m/s to a complete stop in 10 seconds. Calculate its acceleration.
Remember that stopping means negative acceleration.
A spacecraft is traveling at 20,000 km/h and accelerates to 40,000 km/h in 5 minutes. Calculate the acceleration.
Don't forget to convert the time into seconds!
4 more questions in this section. Enroll free to practise them all.
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