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Four identical particles (mass of each = 0.40 kg) are placed at the vertices of a rectangle (2.5 m ? 4.0 m) and held in those positions by four light rods which form the sides of the rectangle. What is the moment of inertia of this rigid body about an axis that passes through the mid-points of the shorter sides and is parallel to the longer sides?
a. 2.2 kg ×m2
b. 2.8 kg ×m2
c. 2.5 kg ×m2
d. 3.1 kg ×m2
e. 1.6 kg ×m2
A uniform cylinder of radius 11 cm and mass 24 kg is mounted so as to rotate freely about a horizontal axis that is parallel to and 4.6 cm, What is the rotational inertia of the cylinder about the axis of rotation
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Find the cost to run a 1200-watt microwave oven, if you make microwave popcorn in 5 minutes.
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When the tire surface is rotating at the maximum speed of 12 m/s stone flies out of the tread. The magnitude FN of the normal force that each side of the tread channel exerts on the stone is 1.8 N. suppose that only static friction supplies centripet..
Find the speed of the two cars after collision. If they then hit a concrete wall and stop without rebounding, what is the impulse delivered by the concrete wall?
A spherical mirror is to be used to form an image, four times as tall as an object, on a screen positioned 4.6 m from the mirror. Describe the type of mirror required
This primary line is connected to a transformer. The primary has 450,000 turns. What is the number of coils on the secondary if the Vrms delivered to the user is to be 110V
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An alpha particle (?) has a rest mass m = 6.64x10-27 kg. What is the kinetic energy K of the alpha particle at this speed
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