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An airbus A320 has a takeoff mass of 75,000 kg. It reaches a takeoff speed of 82 m/s in 35 s. What is the thrust of the engines? You can neglect air resistance but not rolling friction. For rubber rolling on concrete u_r= .02.
To stop a car, first you require a certain reaction time to begin braking; then the car slows under the constant braking deceleration. determine the magnitude of the deceleration
In the Olympiad of 700 BCE, athletes competing in the standing long jump used handheld weights called halters to lengthen their jumps. The weights were swung up in front just before liftoff and then thrown backward during the flight.
Using the inductance found in the previous problem, what is the impedance seen by the voltage source
A particle with a mass of 0.420 kg is attached to a horizontal spring with a force constant of 34.02 N/m. At the moment t = 0, Find the length of a simple pendulum with the same period
Find the equation for the acceleration of the moving body at any time.
An automobile has a mass of 1710 kg and a velocity of 23.2 m/s. It makes a rear-end collision with a stationary car whose mass is 2470 kg. What is the velocity of the two cars just after the collision
Two blocks are connected by a light cord. One block, of mass 4kg, sits on a horizontal table with static and kinetic coefficients of friction of 0.6 and 0.4, respectively, whereas the other block, of 2 kg mass, hangs over a frictionless light pull..
A mass of 2.80 kg is attached to a single spring such that the maximum velocity of the oscillation is 2.47 m/s and period is 1.82 seconds. What is the amplitude of the oscillation
How much work must this force do to stop the wheel. An electron moving along the x axis has a position given by x = 11te-1t m, where t is in seconds. How far is an electron from the origin when it momentarily stops.
The radar system at an airport broadcasts 15 GHz with 150 kW. An approaching airplane with a 34 m^2 cross section is 24km away. Assume that the radar broadcasts uniformly in all directions and that the airplane scatters microwaves uniformly in all di..
q1. a crate of 31.9- tools rests on a horizontal floor. you exert a gradually increasing horizontal push on it and
A turtle ambles lesisurely- as turtles tend to do- when it moves from a location with position vector r1x = 1.07 m, find the magnitude of the turtle's average velocity
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