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The equation used here is speed = distance / time (s=d/t). Firstly the 30 ms^-1. Rearrange the equation to find distance (st=d). 5ms^-1 x 10s = 50m. The second stint is 6ms^-1 x 5s = 30m. This makes the t...

Part iGravitational Potential Energy (GPE) = mass x gravitational acceleration constant x heightGPE = 2 x 9.81 x 10 = 196.2JPart iiConservation of energy states that the sum of the GPE and K...

The Earth's atmosphere scatters incoming light from the sun. This incoming light is made up of lots of different colours. Each colour of light has a different wavelength and because of this, different col...

α - Emission of a Helium nucleus, it has the highest mass and lowest energy of the three types of radiation, it has a +2 overall charge due to its 2 neutron - 2 proton makeup, and...

So, let's think of a vector as an 'instruction' - a guide telling us to move in a specific direction for a certain distance. (Draw arbitrary vector A here). This is not the only way to move this distance ...