Acceleration

• Physics
• Secondary Education

Module 3-Accelerated Motion

Acceleration

Vf stands for__________

Final Velocity

Initial Velocity

tf-ti is_________

1. Change in velocity
2. Change in position
3. Initial Velocity
4. time interval

Choose the option in which object is being accelerated

A car moving in east direction with a constant velocity of 2m/s

A car moving with a velocity of 40Km/hr stops at traffic signal

AFL 1

Choose the correct unit of acceleration

1. m
2. m/s
3. ​s​2​​​​m​​
4. Km

Choose the correct formula to calculate acceleration

1. a= vf-vi/tf-ti
2. a=Xf-Xi/tf-ti
3. a=vf/ti
4. a= Vf-tf/Vi-ti

AFL 1
An athlete runs east of the starting line (the origin). She runs at a velocity of 3 m/s, then speeds up to a velocity of 5 m/s . What is her average acceleration if the time interval is 20 s?

0.1 m/s^2

-0.1m/s^2

Plenary Quiz

A race car's forward velocity increases from 4.0m/s to 36 m/s over a 4s time interval. What is the acceleration?

1. 8m/s^2
2. 4m/s^2
3. 10m/s^2
4. 8m/s

A box sliding down an inclined plane attains a velocity of 27 m/s in 3 seconds from rest. Find the acceleration.

1. 7m/s^2
2. 3m/s^2
3. 9m/s^2
4. 10m/s^2

Refer to the graph in Level 2 question in your worksheet. What is the acceleration between 5s- 15s

1. Positive acceleration
2. Zero acceleration
3. negative acceleration
4. none of the above

Now I know how to calculate acceleration mathematically and from v-t-graph

Yes

No

Yes but i need more practice

Today I learned