Homework Answers
Mass of car M=1000 kg
Mass of truck M=2000 kg
Here given total momentum vector of car and truck is making an angle with positive X-axis ,therefore
tan45 = PCar/PTruck = MCarVCar /MTruckVTruck
=>1 =15*1000/2000*VTruck
VTruck =15000/2000 =7.5 m/s
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intersection of Morewood and Fifth Avenues, it collides with a
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Let’s begin by calculating the total momentum of two moving
objects. Suppose a small compact car with a mass of 1000 kg is
traveling north on Morewood Avenue at a speed of 15 m/sm/s. At the
intersection of Morewood and Fifth Avenues, it collides with a
truck with a mass of 2000 kg that is traveling east on Fifth Avenue
at 10 m/sm/s. Treating each vehicle as a particle, find the total
momentum (magnitude and direction) just before the collision....
To practice Problem-Solving Strategy 11.1 for conservation of momentum problems. An 80-kg quarterback jumps straight up in the air right before throwing a 0.43-kg football horizontally at 15 m/s. How fast will he be moving backward just after releasing the ball? How fast, (u_fx)_Q, will the quarterback be moving backward just after releasing the ball? Express your answer in meters per second to two significant figures. (u_fx)_Q = 8.1 times 10^-2 m/s Suppose that the quarterback takes 0.30 s to...
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= *Chapter 2, Practice Problem 2/088 Two ships A and B are moving with constant speeds VA 24 m/s and ve = 26 m/s, respectively, along straight intersecting courses. The navigator of ship B notes the time rates of change of the separation distance r between the ships and the bearing angle 8. If r = 84 m and 2 = 113º, what does the navigator measure for , , and Ö? Check that * -ró= 0 and rö +...
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