Miscellaneous Quiz / Physics Headache

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Do you know general physics?

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If an elephant has a mass of 1000 kg, How much does it weigh on planet Earth? (SI Units)Force = Mass * Acceleration, Earth Gravity Acceleration = 9.81 m/s^2
If an elephant has a mass of 1000 kg, How much does it weigh on the planet Mars? (SI Units)Force = Mass * Acceleration, Mars Gravity Acceleration = 3.711 m/s^2
If a 1000 kg elephant is accelerating at 1.2 m/s^2, What is the magnitude of the force required? (No units in answer)Force = Mass * Acceleration
If a running elephant can exert a Force of 1500 Newtons, at what rate must a 55 kg human accelerate to create an equal and opposing force? (Magnitude Only)Force = Mass * Acceleration
A 0.5 kg sliding hockey puck is decelerating at a rate of 1.85 m/s^2, What is the coefficient of kinetic friction?Friction Force = Coefficient * Normal Force, Normal Force = Mass * Gravity
If Force = Stiffness * Displacement, What are the units for Stiffness (SI Units, use the word 'per' for a division sign)Force = Newtons, Displacement = metres
If the driver of a car applies the brakes and changes speed from 75 km/hr to 0 km/hr in 3.2 seconds, What was the acceleration rate of the car? (SI Units, provide 'sign (+/-)' )1 m/s = 3.6 km/hr
A 1300 kg car collides with a safety barrier, changing speed from 16.67 m/s to 0 m/s in 1.8 sec. If the safety barrier had a stiffness of 10.032 kN/m, What was the displacement?Force = mass * acceleration, Force = Stiffness * Displacement

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