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A Ferris wheel rotates at an angular velocity of 0.24 rad/s. Starting from rest, it reaches its operating speed with an average angular acceleration of 0.022 rad/s2. Determine how long does it take the wheel to come up to operating speed?
The average intensity of sunlight reaching the earth is 1390 W/m2. A charge of 2.38 x10−8 C is placed in the path of this electromagnetic wave. What is the magnitude of the maximum electric force that the charge experiences?
An underground pipe carries water of density 1000 kg/m^3 to a fountain at ground level. Calculate the speed of the water in the pipe
A 80 bike racer climbs a 1500 -long section of road that has a slope of 4.3 degrees. By how much does his gravitational potential energy change during this climb
On a workday the average decibel level of a busy street is 71 dB, with 100 cars passing a given point every minute. If the number of cars is reduced to 40 every minute on a weekend
At the distance of the earth from the sun, the pressureexerted by sunlight is about 10-5 Pa. what acceleration does this force give it
Two astronauts, each having a mass M, are linked by a rope of length d having negligible mass. They are isolated in space, orbiting their center of mass at speeds v.
a 4 microf capacitor is charged by a 200 v supply. it is then disconnected from the supply and is connected to another
Superman throws a 0.18 kg baseball at a speed of 0.932c. Find the following for the baseball.-rest energy, kinetic energy, total energy
A piece of conductor is moving in a uniform magnetic field B = 0.2 T with a velocity of 0.5 m/s perpendicular to the magnetic field. What is the electromotive force in the conductor
Planet X is 307 times more massive than Earth, and its radius is 10.8 times Earth's radius. How many times more would you weigh on Planet X
An oscillator consists of a block of mass 1.00 kg connected to a spring. When set into oscillation by amplitude 49.0 cm, it is observed to repeat its motionevery0.600 s.Find the maximum force exerted on the block.
A 3.3 block of wood sits on a table. A 3.0 bullet, fired horizontally at a speed of 480, goes completely through the block, emerging at a speed of 200 .What is the speed of block immediately after the bullet exits.
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