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A model airplane of mass 0.870 kg is flying at constant speed in a horizontal circle at one end of a 28.0 m cord and at a height of 17.0 m. The other end of the cord is tethered to the ground. The airplane circles 6.00 times per minute and has its wings horizontal so that the air is pushing vertically upward.
(a) What is the acceleration of the plane?
(b) What is the tension in the cord?
(c) What is the total upward force (lift) on the plane's wings?
A truck travels 2.75 km north and then makes a 90° left turn and drives another 4.90 km. The whole trip takes 6.00 min. What is the magnitude of the average velocity for this trip
Illustrate what management's role in addressing these challenges. Illustrate what type of information technology would increase production?
Find the angular acceleration - What is the torque on the rod when it makes an o angle q with the vertical - Find the kinetic energy of a solid sphere of mass 0.5 kg and radius 10 cm that rolls without slipping on level ground
A 3.8×10-24-kg particle is vibrating with simple harmonic motion with a period of 1.3×10-5 s and a maximum speed of 1.55×103 m/s. A) Calculate the angular frequency. B) Find the maximum displacement of the particle. I know the answer to part A) 48..
How many 104W lightbulbs can you use in a 113 V circuit without tripping a 17 A circuit breaker? (The bulbs are connected in parallel that means that the potential difference across each lightbulb is 113V.)
If lithium ion Li+2 is treated as a classical system of one electron of charge ?e going around a nucleus of charge 3e on a circle of radius 1.77× 10?11 m
On illustrate what form does an S corporation report its income to the IRS? When is the tax return due? Illustrate what information does the S corporation provide to shareholders to allow them to complete their tax returns?
Air flows through the supersonic nozzle. The inlet conditions are 7 KPa and 420 degree C. The nozzle exit diameter is adjusted such that the exiting velocity is 700m/s. Calculate the exit temperature
A space probe on the surface of Mars sends a radio signal back to the Earth, a distance of 8.48 x10^7 km. Radio waves travel at the speed of light (3.00 x10^8 m/s). How many seconds does it take for the signal to reach the Earth.
If a material increases its length from 130 m to 132.60 m when its temperature is rasied 155 degrees C, what is its coefficient of linear expansion
The quantity of charge q (in coulombs) that has passed through a surface of area 1.92 cm2 varies with time according to the equation q = 4t3 + 5t + 6, What is the instantaneous current through the surface at t = 1.02 s
assume you are 90 cm from a plane mirror. What area of the mirror is used to reflect the rays entering one eye from a point on the tip of your nose if your pupil diameter is 5.5 mm.
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