Miguel, the 72.0 kg bullfighter, runs toward an angry bull at a speed of 4.00 m/s. The 550. kg bull charges towards Miguel at 12.0 m/s and Miguel must jump on the bull’s back at the last minute to avoid being run over. What is the new velocity of Miguel and the bull as they move across the arena?
Miguel, the 72.0 kg bullfighter, runs toward an angry bull at a speed of 4.00 m/s. The 550. kg bull charges towards Miguel at 12.0 m/s and Miguel must jump on the bull’s back at the last minute to avoid being run over. What is the new velocity of Miguel and the bull as they move across the arena?
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter6: Momentum, Impulse, And Collisions
Section: Chapter Questions
Problem 85AP: A 1.25-kg wooden block rests on a table over a large hole as in Figure P6.84. A 5.00-g bullet with...
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22. Miguel, the 72.0 kg bullfighter, runs toward an angry bull at a speed of 4.00 m/s. The 550. kg bull charges towards Miguel at 12.0 m/s and Miguel must jump on the bull’s back at the last minute to avoid being run over. What is the new velocity of Miguel and the bull as they move across the arena?
a. 13 m/s
b. 10.1 m/s
c. 7.5 m/s
d. 9.5 m/s
e. 8.39 m/s
23. A highway has a flat section with a tight level curve of radius 40 m. If the coefficient of static friction between tires and pavement surface is 0.45, what is the maximum speed v at which the car of mass m can negotiate the curve safely – in other words, without the tires slipping? (Hint: the friction force between tires and pavement = coefficient of static friction times normal force) *use g=9.8
a. 18 m/s
b. 23 m/s
c. 15 m/s
d. 13 m/s
e. 10 m/s
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