What average speed must be maintained for the last lap
A race car driver must average 199.0 km/h over the course of a time trial lasting ten laps (Each of length 2.5 km). If the first nine laps were done at 194.0 km/h, what average speed must be maintained for the last lap?
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A bicyclist of mass 66 (including the bicycle) can coast down a 5.0 hill at a steady speed of because of air resistance.How much force must be applied to climb the hill at the same speed and same air resistance?
A bat at rest sends out ultrasonic sound waves at 59.0 kHz and receives them returned from an object moving directly away from it at 25.0 m/s. What is the received sound frequency?
Who were the Hippies and how did they influence the culture of the 1960s? Research and report on a current social movement that you think could be defined as a counter culture movement?
If is 24 kilograms, is 12 kilograms, and is 10 kilograms, what is the direction of rotation and the sign of the angular acceleration?
The course of a time trial lasting ten laps (Each of length 2.5 km). If the first nine laps were done at 194.0 km/h, what average speed must be maintained for the last lap?
Compare the Industrial Relations system of Trinidad & Tobago with that of Jamaica and make recommendations as to how you believe the two systems can be harmonized or integrated to reflect a move towards becoming a single CSME.
A block of copper of mass mCu whose temperature is TCu is placed in an insulating box with a block of lead of mass mPb and temperature TPb. (a) What is the equilibrium temperature of the two-block system? (b) What is the change in the internal ene
An electron and a proton each have a thermal kinetic energy of 3×kBT/2. Calculate the de Broglie wavelength of each particle at a temperature of 2050 K. (kb is Boltzmann's constant, 1.38×10-23 J/K).
A barefoot field-goal kicker imparts a speed of 18 m/s to a football initially at rest. If the football has a mass of 0.47 kg and the time of contact with the ball is 0.021 s, what is the force exerted by the ball on the kicker's foot?
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