q1 dennis driving his 600 kg car makes a 90


Q1. Dennis, driving his 600 kg car, makes a 90 degree turn. His speed before the turn is 15.0 m/s and after the turn are 20 m/s. What is the magnitude of the change in car's momentum?

Q2. An object weighing 333 N in air is immersed in water after being tied to a string connected to a balance. The scale now reads 301 N. Immersed in oil; object weighs 313 N. compute the density of the object.

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Physics: q1 dennis driving his 600 kg car makes a 90
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