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A 20kg satellite has a circular orbit with a period of 2.4 h and aradius of 8.0 × 106m around a planet of unknown mass. If the magnitude of thegravitational acceleration on the surface of the planet is 8.0m/s2, what is the radius of the planet?
An inductor is connected to a 15kHz oscillator that produces an rms voltage of 7.0V. What is the value of the inductance L
A sphere of radius 20 cm and mass 1.8 kg starts fromrest and rolls without slipping down a 30 deg incline that is 10 mlong. Calculate its rotational speed when it reaches the bottom
The lab experiment is repeated with the same two glass plates but with a different human hair. Calculate the diameter of the hair
A steel wire is used to stretch a spring. An oscillating magnetic field drives the steel wire back and forth. what stretch of the spring produces a standing wave with six nodes
A shop sign weighing 245-N is supported by a uniform 155-N bean. Find out the tension in the guy wire, and the horizontal and vertical forces exerted by the hinge on the bean.
A mass on a spring has an angular oscillati0n frequency of 2.81 rad/s. what is the potential energy stored in the mass-spring system
q1. a block is placed at the end of the frictionless ramp and is pulled up the ramp through a solid ball on the end of
An LC circuit has a 25mH inductor and a 12uF capacitor. The current is at its maximum value of 0.7A at t=0. How long does it take for the capacitor to be fully charged
Find the center of mass of a system composed of three spherical objects with mass of 3.0kg, 2.0kg, and 4.0kg
Using the capacitance determined in part (a), calculate the current in the circuit 7.4 ms after the switch is closed. Suppose that the capacitor is uncharged initially and that the emf of the battery is 9.0 V
q1. a 1.50 kg object is held 1.20 m above a relaxed massless vertical spring with a force constant of 310 nm. the
A rocket in a fireworks display explodes high in the air. The sound spreads out uniformly in all directions. Find the distance from the source at which the intensity is 0.80 10?6 W/m2
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