Tutoring 5
Physics equations
,Kinetic energy equation
The triangle and the equation shown above are the same, this triangle is just used to help rearranging the equation if
necessary. For example, a question might ask for the mass using kinetic energy and speed.
,Kinetic energy video
https://youtu.be/WrFCHt21kVA
, Exam question
A car has a mass of 1,650 kg. This table shows the kinetic energy of the car moving at 11 m/s.
Calculate the missing value in the table.
Give your answer in kilojoules (kJ). [3 marks]
Mass of car (kg) Speed (m/s) Kinetic energy (J)
1,650 11 99,825
1,650 30 ______
Physics equations
,Kinetic energy equation
The triangle and the equation shown above are the same, this triangle is just used to help rearranging the equation if
necessary. For example, a question might ask for the mass using kinetic energy and speed.
,Kinetic energy video
https://youtu.be/WrFCHt21kVA
, Exam question
A car has a mass of 1,650 kg. This table shows the kinetic energy of the car moving at 11 m/s.
Calculate the missing value in the table.
Give your answer in kilojoules (kJ). [3 marks]
Mass of car (kg) Speed (m/s) Kinetic energy (J)
1,650 11 99,825
1,650 30 ______
