A plane takes off and flies upwards at an angle of 24 degrees with a constant speed of 268 m/s. While the plane is flying upwards, a piece of the engine falls off when the plane reaches a height of 880 m. a. How long does it take the piece of the engine to reach the ground? Give answer in seconds. b. What so the horizontal distance covered by the piece of the engine before it lands? Give answer in meters

A plane takes off and flies upwards at an angle of 24 degrees with a constant speed of 268 m/s. While the plane is flying upwards, a piece of the engine falls off when the plane reaches a height of 880 m. a. How long does it take the piece of the engine to reach the ground? Give answer in seconds. b. What so the horizontal distance covered by the piece of the engine before it lands? Give answer in meters

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter3: Two-dimensional Kinematics

Section: Chapter Questions

Problem 28PE: (a) A daredevil is attempting to jump his motorcycle over a line of buses parked end to end by...

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(a) A daredevil is attempting to jump his motorcycle over a line of buses parked end to end by driving up a 32° ramp at a speed of 40.0 m/s (144 km/h). How many buses can he clear if the top of the takeoff ramp is at the same height as the bus tops and the buses are 20.0 m long? (b) Discuss what your answer implies about the margin of error in this act—that is, consider how much greater the range is than the horizontal distance he must travel to miss the end of the last bus. (Neglect air resistance.)
A student stands at the edge of a cliff and throws a stone horizontally over the edge with a speed of vi = 18.0 m/s. The cliff is h = 50.0 m above a body of water as shown in Figure P4.13. (a) What are the coordinates of the initial position of the stone? (b) What are the components of the initial velocity of the stone? (c) What is the appropriate analysis model for the vertical motion of the stone? (d) What is the appropriate analysis model for the horizontal motion of the stone? (e) Write symbolic equations for the x and y components of the velocity of the stone as a function of time. (f) Write symbolic equations for the position of the stone as a function of time. (g) How long after being released does the stone strike the water below the cliff? (h) With what speed and angle of impact does the stone land? Figure P4.13
A lifeguard stands on top of a watch tower at the beach and purposely throws a stone horizontally with a speed of vi=18.0 m/s. The height of the tower is 50.0 m above the ground. a. With what angle of impact does the stone land? b. With what angle of impact does the stone land? c. How long after being released does the stone strike ground? d. With what speed does the stone land?
A rock is thrown off a cliff at an angle of51ºwith respect to the horizontal. The cliff is 110 m high. The initial speed of the rock is 30 m/s. a.How high above the edge of the cliff does the rock rise? b.How far has it moved horizontally when it is at maximum altitude? ( c.How long after the release does it hit the ground? d.What is the range of the rock? e.What are the horizontal and vertical positions of the rock relative to the edge of the cliff att= 2.0 s,t= 4.0 s, andt= 6.0 s?
An airplane flies horizontally at a speed of 369 km/h and drops a crate that falls to the horizontal ground below. Neglect air resistance. A. If the altitude of the plane was 628 m, then how far, horizontally in meters, did the crate move as it fell to the ground? B. What was the speed of the crate, in m/s, just before it hit the ground?
An object is thrown off the top of a building with velocity 36 m/s at an angle 18 degrees with respect to the horizontal. The object travels a horizontal distance of 269 m before landing on the ground. a. How high is the building in meters? b. What is the magnitude of the velocity of the object when it reaches the ground? c. What is the direction of the object when it reaches the ground, in degrees from the positive x axis?
An object is thrown off the top of a building with velocity 32 m/s at an angle 34 degrees with respect to the horizontal. It takes 6.2 s for the object to land. a. How high is the building in meters? b. What is the horizontal distance that the object travels in meters?
A person is standing on top of a building. While standing at the edge of the building the person throws a water balloon downward with a speed of 22 m/s and at an angle of 36 degrees below the horizontal. It takes 2.6 s for the water balloon to hit the other persons friend. a. How high is the building? b. How fast is the water balloon moving when it hits the friend in the ground? Give answer in m/s. c. What was the horizontal distance between the friend on the ground and the building in meters?
Mr. Udadi takes his three children to the park for some summertime recreation. Olive Udadi is enjoying swinging and jumping. On one jump, Olive leaves the swing at a 30° angle to the horizontal with a speed of 2.2 m/s. She lands on the ground a horizontal distance of 1.09 m from the launch location. a. Determine the horizontal and the vertical components of the initial velocity.b. Determine the time which Olive is in the air.c. Determine the vertical height (relative to the landing location) from which Olive jumps from the swing.
A ball is thrown horizontally from a cliff of height 90 meters with an initial speed of 45 m/s. A. How far from the base of the cliff will it strike the ground? B. What is its vertical component of velocity when it strikes the ground? C. What is its speed when it strikes the ground?
5. A shot putter throws a 16-lb steel ball (a shot), releasing it at an unknown height above the ground with an initial velocity of 11.2 m/s at an angle of 44.9° above horizontal. The shot lands on the ground 1.85 s later. a. What are the horizontal and vertical components of its initial velocity? b. What is its initial height above the ground? c. What is its maximum height above the ground? d. How far, horizontally, did the shot travel before hitting the ground? e. What are the horizontal and vertical components of its final velocity, right before it hits the ground? f. What are the magnitude and angle of the final velocity vector, right before the shot hits the ground?
A block of ice breaks loose and slides down the roof of an apartment building sloped at an angle of 29.0° with the horizontal. The block moves 5.00m down the icy, frictionless roof and leaves the edge 12.0m above the ground, as shown in the picture. a. Calculate the block's velocity as it leaves the roof. b. How far from the base of the building does the block strike the ground? c. By how much does the block clear a 1.80-m fence located 6.70 m from the building? 12 m 29° 1.8 m 6.7m