A roller coaster car has a mass of 500 kg loaded with
A roller coaster car has a mass of 500 kg loaded with passengers. The car passes over a hill of radius 15m. At the top of the hill, the car has a speed of 8.0 m/s. What is the force of the track on the car at the top of the hill?
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Consider an airplane flying at Mach 4 at 70,000 feet. A shock is formed due to supersonic flow. Find the total pressure at the nose using 3 approaches
A student added a total of 15.00 mL of 0.5241 M HCl to 1.4881 g to of an unknown which contained CaCO3 (molar mass = 100.09 g/mol). The resulting solution required 12.21 mL of 0.1211 M NaOH to back titrate the excess HCl. What was the percent CaCO
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During Charlie's golf drive, the angular velocity of his club is zero at the top of the backswing and 20 rad/s, What is the linear velocity of the club head just before impact with the ball
A roller coaster car has a mass of 500 kg loaded with passengers. The car passes over a hill of radius 15m, What is the force of the track on the car at the top of the hill
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The price of a stock is determined by the demand for and supply of that stock. Both demand and supply depend on investors' expectations of the future performance - future economic profits - of the firm.
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