Question: Explain what the terminal velocity of an object is.
Question: If a footballer kicks a ball straight down the pitch at 6 ms-1 at an angle θ of 30° above the horizontal, what is the maximum height reached by the ball?
Posted in GCSE Physics
Question: Explain the forces involved in a pendulum set up.
Posted in GCSE Physics
Question: Why do I keep losing marks on 6 markers?
Posted in GCSE Physics
Question: A person swims from a depth of 0.5m to 1.7m below the surface of the sea. Density Sea Water = 1030 kg/m^3. g=Gravitational Field Strength = 9.8 N/kg. Calculate the change in pressure on the swimmer and give the unit.
Posted in GCSE Physics
Question: Draw a graph depicting a skydiver’s speed against time when jumping from a plane, until he deploys his parachute, explaining the logic of your answer through the forces applicable to the body.
Posted in GCSE Physics
Question: Derive an expression for wave speed in terms of wavelength and frequency.
Posted in GCSE Physics
Question: What is the difference between alpha and gamma radiation?
Posted in GCSE Physics
Question: How do I derive Kepler’s 3rd law using Newton’s Law of gravitation, in the case of a circular orbit?
Posted in GCSE Physics
Question: When going around a roundabout, why do I feel a force pulling me outwards?
Posted in GCSE Physics
Question: Given the rate of thermal energy transfer is 2.7kW, the volume of the water tank is 4.5m^3, the water is at a temperature of 28ºC, density of water is 1000kgm-3 & c=4200Jkg-1K-1. Calculate the rise in water temperature that the heater could produce in 1hr.
Posted in GCSE Physics
Question: Find current and voltage across resistors R1 and R2, when they connected in parallel and in series. A 12V battery is connected, R1=4Ω and R2=3Ω.
Posted in GCSE Physics
Question: Jane drops a football from the roof onto the ground below. The ball weighs 0.8kg and the distance the ball falls is 5m. Assuming there are no external forces acting on the ball, what speed will the ball be travelling at just before it hits the ground?
Posted in GCSE Physics
Question: A ball is dropped from rest at a height of 2 metres. Assuming acceleration due to gravity (g) is 10m/s^2 calculate the velocity of the ball just before it hits the floor.
Posted in GCSE Physics
Question: When a particle travels in a circle of radius r, at constant speed v, what is its acceleration.
Posted in GCSE Physics
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