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A man swings a 0.57 kilogram tether ball tied to a 4.3 meter rope in an approximately horizontal circle.
Part A If the maximum tension the rope can withstand before breaking is 11 Newton, obtain the maximum angular speed of the ball?
(rad/s)
Part B If the rope is shortened, does the maximum angular speed found in part A increase, decrease, or stay the same?
An AC generator supplies an rms voltage of 115 V at 50.0 Hz. It is connected in series with a 0.500 H inductor, What is the rms current through the resistor
A toboggan approaches a snowy hill moving at 12.4 m/s. The coefficients of static and kinetic friction between the snow and the toboggan are 0.400 and 0.290, respectively, and the hill slopes upward at 44.0 degrees above the horizontal.
What are the three longest wavelengths for standing waves on a 237--long string that is fixed at both ends, what is the frequency of the third-longest wavelength
If the lamp's 215 W output is focused on a person's shoulder, over a circular area 25.0 cm in diameter, Find the peak magnetic field strength
A voltage ?v = (110 V) sin ?t (in SI units) is applied across a series combination of a 1.92 H inductor, a 12.5 µF capacitor, and a 12.8 O resistor. Calculate the power at that frequency
In a football game a kicker attempts a field goal. The ball remains in contact with the kicker's foot for 0.0437 s, determine the vertical components of the launch velocity
The magnetic field B at the center of a circular coil of wire carrying a current I (as in fig. 20-9) is where N is the number of loops in the coild, determine the magnetic field strength at the center of the coil
the electric field in a region of space is uniform and has value 3.2 x 103 nc. it points in the positive x-direction.
Two planets are orbiting a star in a distant galaxy. The first planet has a semi main axis of 150 *106 km, an eccentricity of0.200, and a period of 1.00 Ear years. The second planet has a semi main axis of 250*106 km and an eccentricity of0.300. What..
An object at rest explodes into three pieces. Two of them are equal in mass and break off at an angle of 88.7° to each other, both by a speed of 33.4 m/s. The last piece has 4 times as much mass as each of the other pieces. What is the magnitude of t..
two events occur in an inertial system k at the same time but 7 km apart. what is the time difference measured in a
How many atoms are there in a cubic centimeter of a solid and what is the velocity of the motorist relative to the police car and what is the velocity of the police car relative to the motorist?
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