What is a ‘reaction time’? Why do you think a reaction time always exists between noticing something and responding to it?
In what century was Galileo born?
Explain, in your own words, the meaning of ‘kinematics’ and of ‘dynamics’.
What quantity does the ratio of delta v to delta t define? In what SI units is the quantity expressed?
What is a trapezoid? What is the formula for the area of a trapezoid? Illustrate your answer with a sketch.
How far does a body fall in the first second, if it starts from rest?
Write down whether the following statement is true or false: The equations of motion can be derived from a velocity–time graph.
A bird’s egg falls from its nest in a tall tree. The nest is 8 m above the ground. Answer the following, showing your working clearly: