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Sometimes, but definitely not always! Note: it's all dependent on which direction has been assigned '+'. Acceleration is a vector quantity, (the rate of change of velocity), meaning it has both<...
Draw a free-body diagram for the mass with the pendulum suspended at an angle θ to the vertical. The tension in the rope is T and the radius of the circle is r. Firstly, resolve horizontal forces an...
To answer this question, we will need the following equation: SPEED = DISTANCE/TIME (A multiplication and division triangle will be shown)i) The speed of the car is calculated by doing 100 metres/ 20 seco...
Renewable Energy resource is cannot be used up as they can be replaced whereas non-renewable energy resources cannot be replaced once they're used up. Examples of Non-renewables are coal, oil, gas and nuc...
A cluster of dust collapse under gravity. A protostar is then formed. The protostar starts fusing in Hydrogen to become a main sequence star. The star then fuses Hydrogen to create larger elements. Depend...
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