Jane took 10 minutes to drive her boat upstream to water-ski at her favorite spot. Coming back later in the day at the same boat speed took her 5 minutes. If the current in that part of the river is 7k(m)/(h)r, what was her boat speed in still water

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Q: 7. A 0.05 kg golf ball moving at 40 m/s collides with a 0.75 kg wooden block at rest. The golf ball…

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A: The angle of incidence on the mirror is given as .Here the angle of refelction is to be calculated.

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A: Free body diagrams:

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Q: A bullet of mass m₁ = 0.01 kg is shot at a stationary target of mass m2 = 1.5 kg. The bullet strikes…

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Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.