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work done = force × distance (along the line of action of the force) W = F s force = spring constant × extension F = k e moment of a force = force × distance (normal to direction of force) M = F d pressure = force normal to a surface area of that surface p = F A HT pressure due to a column of liquid =
thermal energy for a change of state = mass × specific latent heat. E = m L. For gases: pressure × volume = constant. p V = constant. weight = mass × gravitational field strength. W = m g. work done = force × distance (along the line of action of the force) W = F s. force = spring constant × extension.
It can be written as an equation involving two distances: Stopping distance = Thinking distance + Braking distance. Where: Thinking distance = the distance travelled in the time it takes the driver to react (reaction time) in metres (m) Braking distance = the distance travelled under the braking force in metres (m)
Step 1: List the known quantities. Wave speed, v = 330 m/s. Time, t = 4 s. Step 2: Write out the wave speed, distance and time formula. Step 3: Re-arrange the equation to make distance (x) the subject. x = v × t. Step 4: Put known values into the equation. x = 330 × 4 = 1320 m. So the distance to the thunderstorm is 1320 m. Calculating Depth.
Δ E = m c Δ θ mass × specific heat capacity × temperature change. energy transferred power = time. work done power = time. useful output energy transfer. efficiency = total input energy transfer.
To calculate distance travelled in physics, you need to know the speed of an object and the amount of time it has been in motion. You can use the formula distance = speed x time to calculate the distance travelled.
Equations to Learn weight = mass × gravitational field strength = work done = force × distance (moved along the line of action of the force) = extension = moment of a force = force distance = pressure = force normal to a surface area of that surface = time = acceleration = change in velocity
