Question: A baseball thrown from the outfield is released from shoulder height at an initial velocity of 29.4 m/s at an initial angle of 30.0° with respect to the horizontal. What is the maximum vertical displacement that the ball reaches during its trajectory?

Answer Options:
A) 9.0 m
B) 10.5 m
C) 11.0 m
D) 12.5 m

Answer: C) 11.0 m

Question: A baseball thrown from the outfield is released from shoulder height at an initial velocity of 29.4 m/s at an initial angle of 30.0° with respect to the horizontal. It is being caught by the third baseman. At what point is the ball’s speed at a minimum?

Answer Options:
A) At the peak of its trajectory
B) At the time of release
C) Just before being caught
D) When it is halfway through its trajectory

Answer: A) At the peak of its trajectory

Question: A stone is thrown at an angle of 30° above the horizontal from the top edge of a cliff with an initial speed of 12 m/s. A stopwatch measures the stone’s trajectory time from top of cliff to bottom to be 5.6 s. What is the height of the cliff? (Ignore air resistance.)

Answer Options:
A) 90 m
B) 100 m
C) 120 m
D) 140 m

Answer: C) 120 m

Question: A stone is thrown at an angle of 30° above the horizontal from the top edge of a cliff with an initial speed of 12 m/s. A stopwatch measures the stone’s trajectory time from top of cliff to bottom to be 5.6 s. How far out from the cliff’s edge does the stone travel horizontally? Ignore air resistance.

Answer Options:
A) 45 m
B) 52 m
C) 58 m
D) 64 m

Answer: C) 58 m

Question: A stone is thrown with an initial speed of 15 m/s at an angle of 53° above the horizontal from the top of a 35 m building. If 𝑔=9.8m/s2g=9.8m/s 2 and air resistance is negligible, then what is the magnitude of the vertical velocity component of the rock as it hits the ground?

Answer Options:
A) 21 m/s
B) 25 m/s
C) 29 m/s
D) 33 m/s

Answer: C) 29 m/s

Question: A stone is thrown with an initial speed of 15 m/s at an angle of 53° above the horizontal from the top of a 35 m building. If 𝑔=9.8m/s2g=9.8m/s 2
and air resistance is negligible, then what is the speed of the rock as it hits the ground?

Answer Options:
A) 20 m/s
B) 25 m/s
C) 30 m/s
D) 35 m/s

Answer: C) 30 m/s

Question: A jet airliner moving at 500 mph due east moves into a region where the wind is blowing at 120 mph in a direction 30.0° north of east. What is the new velocity and direction of the aircraft?

Answer Options:
A) 550 mph, 15.6° N of E
B) 600 mph, 20.3° N of E
C) 607 mph, 5.67° N of E
D) 625 mph, 10.4° N of E

Answer: C) 607 mph, 5.67° N of E

Question: A boat moves at 10.0 m/s relative to the water. If the boat is in a river where the current is 2.00 m/s, how long does it take the boat to make a complete round trip of 1 000 m upstream followed by a 1 000-m trip downstream?

Answer Options:
A) 200 s
B) 208 s
C) 220 s
D) 230 s

Answer: B) 208 s

Question: A river flows due east at 3.0 m/s. A boat crosses the 300-m-wide river by maintaining a constant velocity of 10 m/s due north relative to the water. If no correction is made for the current, how far downstream does the boat move by the time it reaches the far shore?

Answer Options:
A) 70 m
B) 80 m
C) 90 m
D) 100 m

Answer: C) 90 m

Question: A plane is moving due north, directly towards its destination. Its airspeed is 200 mph. A constant breeze is blowing from west to east at 40 mph. At what rate is the plane moving north?

Answer Options:
A) 190 mph
B) 196 mph
C) 200 mph
D) 205 mph

Answer: B) 196 mph

Question: Alex, parked by the side of an east-west road, is watching car P, which is moving in a westerly direction. Barbara, driving east at a speed of 52 km/h, watches the same car.

Answer: The problem appears incomplete or lacking additional details to conclude the correct answer.