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A Ferris wheel starts at rest and builds up to a final angularspeed of 0.60 rad/s while rotating through an angular displacementof 3.9 rad. What is its average angular acceleration?
A 440-loop circular armature coil with a diameter of8.0cm rotates at 120rev/s in a uniform magnetic field of strength 0.30T, What is the rms voltage output of the generator
You are arguing over a cell phone while trailing an unmarked police car by 26.0 m; both your car and the police car aretraveling at 110 km/h. Your argument diverts your attention fromthe police car for 2.0 s (long enough for you to look at the pho..
A mass on a spring vibrates in simple harmonic motion at a frequency of 0.75 Hz and amplitude of 4.0 cm. what is the speed of the mass when t = 1.0 s
q1. a force vector points at an angle of 64.9 deg above the x axis. it has a y component of 276 newtons n. find out a
Two parallel plates are 6.0 cm apart. The bottom plate is charged positively and the top plate is charged negatively, What is the time required for an electron
A conducting sphere 10cm in diameter is first charged and left isolated at a potential of 100volts. calculate the charge (in coulombs) on the sphere and on the capacitor after being connected
A proton is located at x=1.0nm, y=0.0nm and electron is located at x=0.0nm, y=4.0nm. Find the attractive Coulomb force between them
An AC generator with a variable frequency is connected across a 45 cm piece of the coaxial cable( outer radius of 4.5mm and an inner radius of 1.5mm, what is the new resonant frequency
A 70 kg man (rad=0.25m) standing on a 10-kg disc (rad=0.4m) with his arms extended (rad=0.9m) holding a 15-kg weight in each hand. What is the rotational inertia of man with weights.
A charge of 2.19 µC is held fixed at the origin. A second charge of 2.19 µC is released from rest at the position (1.15 m, 0.470 m) . If the mass of the second charge is 2.10 g, what is its speed when it moves infinitely far from the origin?
A toy rocket, of mass 60 g, achieves a velocity of 80 m/s after3.0 s when fired straight up. What average force does the rocketengine exert?
A car is stopped for a traffic signal. When the light turns green, the car accelerates, increasing its speed from zero to 8.06 m/s in 4.14 s. What is the magnitude of the linear impulse experienced by a 69.1 kg passenger
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