Question

In: Physics

A science student is riding on a flatcar of a train traveling along a straight horizontal...

A science student is riding on a flatcar of a train traveling along a straight horizontal track at a constant speed of 10.2 m/s. The student throws a ball along a path that she judges to make an initial angle of 54.5� with the horizontal and to be in line with the track. The student's professor, who is standing on the ground nearby, observes the ball to rise vertically. How high does the ball rise? (Neglect air resistance.)

Solutions

Expert Solution


Related Solutions

a car is traveling along a straight road when the car runs out of gas. the...
a car is traveling along a straight road when the car runs out of gas. the car has an acceleration a(t)=1.1m/s^2-.02m/s^3*t and has a velocity of 30.0m/s at t=0. a) what is the displacement of the car between t=3.0 s and t=5.0 s? b) at what time will the car become to rest? c) what will be the total displacement of the car between t=0 and when it comes to rest?
A red train traveling at 72 km/h and a green train traveling at 144 km/h are...
A red train traveling at 72 km/h and a green train traveling at 144 km/h are headed toward each other along a straight, level track. When they are 840 m apart, each engineer sees the other's train and applies the brakes. The brakes slow each train at the rate of 1.0 m/s2. Is there a collision? If so, give (a) the speed of the red train, (b) the speed of the green train, and (c) the separation between the trains...
A speeding car is traveling along a straight road with a constant speed of 100 km/hour....
A speeding car is traveling along a straight road with a constant speed of 100 km/hour. It passes a police car. The officer starts 5.00 s after the speeder passes. The police car accelerates uniformly (i.e., at a constant acceleration) for 10.0 s, at the end of which its speed is 120 km/hour. After that, the police car moves with the constant speed of 120 km/hour till it reaches the speeding car. How far ahead of the police car is...
A block of mass m = 1.0 kg sliding along a rough horizontal surface is traveling...
A block of mass m = 1.0 kg sliding along a rough horizontal surface is traveling at a speed v0 = 10.0m/s when it strikes a massless spring head-on (see figure) and compresses the spring a maximum distance X =0.25m. If the spring has stiffness constant k = 100. N/m, determine the coefficient of kinetic friction between block and surface.
Consult Interactive Solution 2.22 before beginning this problem. A car is traveling along a straight road...
Consult Interactive Solution 2.22 before beginning this problem. A car is traveling along a straight road at a velocity of +25.0 m/s when its engine cuts out. For the next 2.25 seconds, the car slows down, and its average acceleration is a1 . For the next 5.23 seconds, the car slows down further, and its average acceleration is a2. The velocity of the car at the end of the 7.48-second period is +16.5 m/s. The ratio of the average acceleration...
1. Suppose rain falls vertically into an open cart rolling along a straight horizontal track with...
1. Suppose rain falls vertically into an open cart rolling along a straight horizontal track with negligible friction. As a result of the accumlating water, the kinetic energy of the cart. a. increases b. does not change c. decrease 2. two marbles, one twice as heavy as the other, are dropped to the ground from the roof of a building. Just before hitting the ground, the heavier marble has a. as much kinetic energy as the lighter one b. twice...
A fugitive tries to hop on a freight train traveling at a constant speed of 5.0...
A fugitive tries to hop on a freight train traveling at a constant speed of 5.0 m/s. Just as an empty box car passes him, the fugitive starts from rest and accelerates at a = 4.0 m/s2to his maximum speed of 8 m/s. (a) How long does it take him to catch up to the empty box car? _____________ s (b) What is the distance traveled to reach the box car? _____________ m
. A jeep is traveling on a straight road and it leaves a junction at time...
. A jeep is traveling on a straight road and it leaves a junction at time t = 0 second. It is then accelerates at 4 m/s 2 for 4 seconds. Suddenly, when the driver shifting the gears, there is no acceleration of the jeep for 1 second. After that, it is continue to accelerates at 5.5 m/s 2 for 5 seconds and maintain the speed it reached. On the other hand, a car leaves at the same junction as...
A motorcycle is following a car that is traveling at constant speed on a straight highway....
A motorcycle is following a car that is traveling at constant speed on a straight highway. Initially, the car and the motorcycle are both traveling at the same speed of 21.5 m/s , and the distance between them is 60.0 m . After t1 = 5.00 s , the motorcycle starts to accelerate at a rate of 8.00 m/s2 . The motorcycle catches up with the car at some time t2. How long does it take from the moment when...
A motorcycle is following a car that is traveling at constant speed on a straight highway....
A motorcycle is following a car that is traveling at constant speed on a straight highway. Initially, the car and the motorcycle are both traveling at the same speed of 21.0 m/s , and the distance between them is 60.0 m . After t1 = 4.00 s , the motorcycle starts to accelerate at a rate of 7.00 m/s2 . The motorcycle catches up with the car at some time t2. B) How long does it take from the moment...
ADVERTISEMENT
ADVERTISEMENT
ADVERTISEMENT