Describe the motion of an object when a sitance-time grpah line is flat.
Describe the motion of an object when a distance-time graph is curving upwards.
Give the equation for calculating weight.
Define repeatable.
Give this number in standard form: 0.000059178
Challenge: Explain how to calculate the speed from a distance-time graph if the motion is not uniform.
Define acceleration.
State the equation that links change in velocity, acceleration and time.
State the equation that links acceleration, distance, and velocity.
When is acceleration positive?
When is acceleration negative?
Define acceleration.
State the equation that links change in velocity, acceleration and time.
State the equation that links acceleration, distance, and velocity.
When is acceleration positive?
When is acceleration negative?
Which of the following is true of the object on the right
An object which is speeding up has a...
What is the symbol for initial velocity?
Which of the following is correct? (see the equations on the powerpoint)
Application Task – We Do
A car travels from rest to 86 m/s in 9 seconds, what is its acceleration?
Application Task – We Do
A car is travelling at a steady speed of 98m/s and it brakes to 76m/s, what is its acceleration if it is moving for 10seconds? *be careful with initial and final*
Application Task – We Do
Rearrange a=∆v/t for change in velocity and time.
Application Task – We Do
A train is travelling at 50m/s and accelerates to 62m/s. If the acceleration is 3m/s2, how long did the acceleration take?
A car travels from rest to 72 m/s in 9 seconds, what is its acceleration?
A car is travelling at a steady speed of 120m/s and it brakes to 82m/s, what is its acceleration if it is moving for 10seconds?
A lizard decelerates from 10 m/s to 2 m/s in 4 seconds. What is the lizard’s average acceleration?
A train is travelling at 50m/s and accelerates to 60m/s. If the acceleration is 5m/s2, how long did the acceleration take?
A train is travelling at 80m/s and accelerates at 6m/s2 for 2 seconds. How fast is it going at the end of the time?