A track star in the broad jump goes into the jump at 12 m/s and launches himself at 20 above the horizontal. How long is he in the air before returning to Earth?
[Ques. 2] Wiley Coyote has missed the elusive roadrunner once again. This time, he leaves the edge of the cliff at 50.0 m/s horizontal velocity. If the canyon is 100 m deep, how far from the edge of the cliff does the coyote land?
[Ques. 3] A car is driven 1200 m north at 20.0 m/s and then driven 1600 m east at 25.0 m/s. What is the magnitude of the average velocity for this trip?
a. 16.1 m/s
b. 22.6 m/s
c. 31.3 m/s
d. 11.3 m/s
e. 62.2 m/s
[Ques. 4] A car is driven 1200 m north at 20.0 m/s and then driven 1600 m east at 25.0 m/s. What are the magnitude and direction of the displacement for this trip?
a. 1400 m, northeast
b. 2000 m, 36.9 north of east
c. 2000 m, 53.1 north of east
d. 2800 m, 36.9 east of north
e. 2800 m, 53.1 east of north
[Ques. 5] Jane plans to fly from Binghampton, New York, to Springfield, Massachusetts, about 280 km due east of Binghampton. She heads due east at 280 km/h for one hour but finds herself at Keene, which is 294 km from Binghampton in a direction 17.8 degrees north of due east. What was the wind velocity?
a. 14 km/h, E
b. 14 km/h, W
c. 14 km/h, N
d. 90 km/h, S
e. 90 km/h, N
[Ques. 6] While the gondola is rising at a speed of 5.0 m/s, a passenger in a balloon-supported gondola throws a small ball up at a speed of 2.0 m/s relative to his body. A person who measures the ball's velocity at the instant of release will find that the ball's velocity relative to the ground at that instant is
a. 2.0 m/s, up.
b. 2.8 m/s, down.
c. 3.0 m/s, up.
d. 5.0 m/s, up.
e. 7.0 m/s, up.
[Ques. 7] While the gondola is rising at a speed of 2.0 m/s, a passenger in a balloon-supported gondola throws a small ball down at a speed of 5.0 m/s relative to his body. A person who measures the ball's velocity at the instant of release will find that the ball's velocity relative to the ground at that instant is
a. 2.0 m/s, up.
b. 3.0 m/s, down.
c. 3.0 m/s, up.
d. 5.0 m/s, down.
e. 12.8 m/s, down.
[Ques. 8] A motorcycle daredevil wants to ride up a 50.0 m ramp set at a 30.0 incline to the ground. It will launch him in the air and he wants to come down so he just misses the last of a number of 1.00 m diameter barrels. If the speed at the instant when he leaves the ramp is 60.0 m/s, how many barrels can be used?
a. 79
b. 318
c. 332
d. 355
e. 402
[Ques. 9] In a location where the train tracks run parallel to a road, a high speed train traveling at 60 m/s passes a car traveling at 30 m/s in the opposite direction. How long does it take for the train to be 180 m away from the car?
a. 2.0 s
b. 3.0 s
c. 6.0 s
d. 9.0 s
e. 18.0 s
[Ques. 10] In a location where the train tracks run parallel to a road, a high speed train traveling at 60 m/s passes a car traveling at 30 m/s. How long does it take for the train to be 180 m ahead of the car?
a. 2.0 s
b. 3.0 s
c. 6.0 s
d. 9.0 s
e. 18.0 s
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