When did each car pass the gas station

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Reference no: EM1315165

Q1. Both car A and car B leave school when a stopwatch reads zero. Car A travels at a constant 75.0 km/h, and car B travels at a constant 85 km/h.

a.) Sketch a position-time graph showing the motion of both cars. How far are the two cars from school when the stopwatch reads 2.0 h? Compute?

b.) Both cars passed a gas station 120km from the school. When did each car pass the gas station?

Q2. A 61.0 kg skier encounters a dip in the snow's surface that has a circular cross section with a radius of curvature of 12.0 m .If the skier's speed at point A is 7.50 m/s (before entering dip), what is the normal force exerted by the snow on the skier at point B (at bottom of the dip)? Ignore frictional forces.

Reference no: EM1315165

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