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The model airplane in Figure 5.6 is flying at a speed of 16.3 m/s on a horizontal circle of radius 19.6 m. The mass of the plane is 0.784 kg. The person holding the guideline pulls it in until the radius of the circle becomes 12.6 m. The plane speeds up, and the tension in the guideline becomes four times greater. What is the net work done on the plane?
A certain gyroscope consists of a uniform disk with a 52 cm radius mounted at the center of an axle that is 12 cm long and of negligible mass. what is the precession rate
The objective of this assignment is to enable you to demonstrate your ability to develop a court management policy proposal that addresses the key factors that should be considered to ensure that legal requirements and best practices in management..
Two cylindrical bars, each with diameter of 2.30 cm, are welded together end to end. One of the original bars is copper and is 0.350 m long
Ice has formed on a shallow pond, and a steady state has been reached, with the air above the ice at -4.1°C and the bottom of the pond at 4.0°C. how thick is the ice
Standing at a crosswalk, you hear a frequency of 520 Hz from the siren of an approaching police car. After the police car passes, observed frequency of the siren is 455 Hz. Establish the car's speeds from these observations.
The surface waters of tropical oceans are at a temperature of 28?C while water at a depth of 1200 m is at 3?C. What is the maximum efficiency possible of such a heat engine
A neutron in a nuclear reactor makes an elastic, head-on collision with the nucleus of a carbon atom initially at rest. find the kinetic energy of the carbon nucleus after the collision
Assume that when you ride on your 7.60-kg bike the weight of you and the bike is supported equally by the two tires. If the gauge pressure in the tires is 78.5 lb/in2 and the area of contact between each tire and the road is 7.13 cm2, what is your we..
My professor today stated that if a ball was to fall a certain height, then the work done by gravity on the ball would equal the work done by the ball's equal and opposite gravitational pull. By W=F*d, this means that the earth must travel the ..
What relationship can you infer about the directions of the electric field lines and equipotential lines, What is the potential of the conductor
A pipe carrying 20°C water has a diameter of 3.5 cm. Estimate the maximum flow speed if the flow must be streamline
The mass of the Moon is 7.35 × 10^22 kg, whereas that of Earth is 5.98 × 10^24 kg. The average distance from the center of the Moon to the center of Earth is 384,400 km.
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