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Posts by Demis

Total # Posts: 4

physics
Find the velocity of (a) a cylinder and (b) a ring at the bottom of an inclined plane that is 1.55 m high. The cylinder and ring start from rest and roll down the plane. Hint: Carry out the calculation including the unknown parameters, and they may cancel out.

pysics
Find the velocity of (a) a cylinder and (b) a ring at the bottom of an inclined plane that is 1.55 m high. The cylinder and ring start from rest and roll down the plane. Hint: Carry out the calculation including the unknown parameters, and they may cancel out.

physics
If the coefficient of friction between the tires of a car and the road is 0.101, what is the minimum stopping distance of a car traveling at 78.4 km/hr?

physics
A girl drives 3.9 km north, then 13.1 km to the northwest, and finally 4.58 km south-southwest. What is her displacement in terms of the unit vectors with pointing east and pointing north?

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