Question 1А.An airliner must reach a speed of 110 m/s to take off. If the available runway is 2.4 kmand the aircraft accelerates uniformly from rest at one end, what minimum accelerationmust be available if it is to take off?A speeding motorist driving a car, passes a traffic police officer on a stationarymotorcycle. The police officer immediately gives chase: his uniform acceleration is4ms?, and by the time he draws level with the speeding car, the police officer istravelling at 30ms!.В.i.How long did it take for the police officer to catch the car?ii. If the speeding motorist continued to travel at a steady speed during thechase, what was his speed?С.A stone is thrown vertically upwards with a speed of 24.0 ms'. Using g = 9.8 ms² andignoring air resistance:i.How much time is required to reach this height?ii.Why are there two answers to (ii.)?iii.Sketch the velocity-time graph for the stone, from it is released until itreturns to the thrower.

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An airliner must reach a speed of 110 m/s to take off. If the available runway is 2.4 km and the aircraft accelerates uniformly from rest at one end, what minimum acceleration must be available if it is to take off?

An airliner must reach a speed of 110 m/s to take off. If the available runway is 2.4 km and the aircraft accelerates uniformly from rest at one end, what minimum acceleration must be available if it is to take off?

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter2: Kinematics

Section: Chapter Questions

Problem 15CQ: Give an example in which velocity is zero yet acceleration is not.

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