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A hollow spherical shell has mass 7.85kg and radius 0.220m . It is initially at rest and then rotates about a stationary axis that lies along a diameter with a constant acceleration of 0.905rad/s2.
Part A What is the kinetic energy of the shell after it has turned through 7.00rev?
A wheel 45.0 cm in diameter accelerates uniformly from 206rpm to 340 rpm in 7.0 s. How far will a point on edge of the wheel have travelled in this time.
Two point charges have a total charge of 515 µC. When placed 1.15 m apart, the force each exerts on the other is 24.4 N and is repulsive. What is the charge on each.
A projectile is launched with an initial speed of 50 m/s at an angle of 35° above the horizontal, What is the projectile's velocity at the highest point of its trajectory
An airplane flies 200km due west from city Band then 285 km in direction of 28 degrees north of west from city B to city C. in a straight-line distance how far is city C from city A.
A large capacitance of 1.20 mF is needed for a certain application. Calculate the volume of Teflon alone in the capacitor
A fish at a depth of 30 m is neutrally buoyant, What fraction of the original number of air molecules that were in the air bladder remains when the fish is at the surface
An air-filled parallel plate capacitor with a plate spacing of 1.20 cm has a capacitance of 4.30, Calculate the dielectric constant of the inserted material
A 10 resistor, 10 mH inductor, and a 110.0 µF capacitor are connected in series to a 50.0 V (rms) source having variable frequency. Find out the energy delivered to the circuit during one period if the operating frequency is twice the resonance fr..
Consider the four masses. Find the total gravitational potential energy of this system. How does your answer to part A change if all the masses in the system are doubled.
Suppose a single electron orbits about a nucleus containing two protons (+2e), as would be the case for a helium atom from which one of the naturally occuring electrons is removed, Determine the magnitude of the electron's centripetal acceleration
A satellite with 2 rectangular solar cells wings with A=60m2, when the wings normally face the sun with an intensity I=1200 W/m2, how much force on the satellite due to the sunlight
Two radio waves are used in the operation of a cellular telephone. To receive a call, the phone detects the wave emitted at one frequency by the transmitter station or base unit. determine the difference between the two frequencies used in the oper..
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