Acceleration

 

 

1.4 Questions on Acceleration

Tuesday, July 06, 2010

3:04 PM

1. A car changes its velocity by 30 m/s in 5 seconds, what is the acceleration of the car?

 

2. A bike starts from rest and accelerates to 20 m/s  over a period of 6 seconds. What is the acceleration of the car?

 

3. A man moving at 2 m/s accelerates at a rate of 3 m/s2 for 2.5 seconds. What is the new velocity of the man?

 

4. A car decelerates from 60 m/s to 20 m/s at a rate of -5 m/s2. How long does this deceleration take the car?

1.3 Questions on Velocity

 

1.3 Questions on Velocity

Tuesday, July 06, 2010

3:04 PM

1.  A car travels a distance of 100 metres in 20 seconds. What is the speed of the car?

 

2.  A bike travels at a speed of 20 m/s for 20 seconds. How far does the bike travel in this time?

 

3.  A car travels at 30 m/s for 2 minutes. How far has it travelled in this time?

 

4.  A car travels at 30 km/hour. How far, in metres, will the car cover in 90 seconds?