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Flashcards in Equations Deck (11):
1

What is the equation for speed (m/s)?

Distance (m) % time (s)

2

What is the equation for distance (m)?

Average speed (m/s) X time (s)

3

What is the equation for acceleration (m/s2)

Change in velocity % time taken (s)

4

What is the equation for force (N)?

Mass (kg) X acceleration (m/s2)

5

What is the equation for weight (N)?

Mass(kg) X gravity (10 n/kg)

6

What is the equation for momentum?

Mass (kg) X velocity (m/s)

7

What is the equation for GPE?

Mass (kg) X Gravity (10 n/kg) X height

8

What is the equation for change in GPE?

Mass (kg) X Gravity (10 n/kg) X change in height

9

What is the equation for kinetic energy (J)?

1/2 X mass(kg) X speed2 (m/s)2

10

What is the equation for efficiency?

Useful energy transferred out
————————————-
Total energy supplied in

11

What is the equation for wave velocity?

Frequency (hz) X wavelength (m)
OR
Distance (m) % time (s)