Determine the tangential and centripetal components
Determine the tangential and centripetal components of the net force exerted on a car (by the ground) when its speed is 27m/s, and it has acclerated to this speed from rest in 9.0s on a curve of radius 450m. The car's mass is 1150kg.
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At that instant, the sing was moving up at a constant rate of (pi/8) rad/s. Express using orthogonal unit vectors.
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A speedboat heads west at 112 km/h for 17.0 min. It then travels at 69.0° south of west at 89.0 km/h for 8.0 min. (a) What is the average speed for the trip? (b) What is the average velocity for the trip? (magnitude and direction)
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How would you define a system to determine the temperature rise created in a lake when a portion of its water is used to cool a nearby nuclear power station?
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