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A homogeneous disk of weight W = 6 lb rotates at the constant rate ω1 = 16 rad/s with respect to arm ABC, which is welded to a shaft DCE rotating at the constant rate ω2 = 8 rad/s. Determine the dynamic reactions at D and E.
A 2.0 mL syringe has an inner diameter of 6.0 mm, a needle inner diameter of 0.25mm, and a plunger pad diameter (where you place your finger) of 1.2cm. A nurse utilizes the syringe to inject medicine into a patient whose blood pressure is 140/100.
An ocean liner leaves New York City and travels 56.0° north of east for 170 km. How far east and how far north has it gone? In other words, what are the magnitudes of the components of the ship's displacement vector in the following directions.
Wildlife biologists fire 19g rubber bullets to stop a rhinoceros, charging at 0.83 m/s. The bullets strike the rhino and drop vertically to the ground. What impulse does each bullet deliver
Suppose that a standing wave on the flagpole gives rise to a sound wave of the same frequency. What is the lowest flagpole harmonic that the mouse can hear
An electron is accelerated through 2250 V from rest and then enters a region where there is a uniform 2.00 T magnetic field. What are the maximum and minimum magnitudes of the magnetic force acting on this electron
The image of an object seen in a mirror is twice its actual size. The orientation of the image is the same as that of the object. what is the focal length of the mirror
A helicopter blade has an angular speed of 6.50 rev/s and an angular acceleration of 1.30 rev/s^2. Find the magnitudes of the tangential speed and acceleration for a point (a) 3.00m from the center of rotation and (b) a point on the blade 6.70 m ..
Write a proportionality expression that represents the relationship between Magnetic Force and Current. What relationship exists between the magnetic force and length of conductor in the magnetic field?
A heat engine has a useful work output of 4.0 kJ and expels 8.0 kJ of exhaust energy in each cycle. what is the engine's thermal efficiency
If the car's speed is the instrument indicates that the wind is directed towards the north-east. Determine the speed and direction of the wind.
You have a pulley 13.1 cm in diameter and with a mass of 2.0 kg. You get to wondering whether the pulley is uniform. What is the actual moment of inertia of the pulley
A surface completely surrounds a 4.5 × 10-6 C charge. Find the electric flux through this surface when the surface is (a) a sphere with a radius of 0.66 m, (b) a sphere with a radius of 0.30 m, and (c) a cube with edges that are 0.65 m long.
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