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Question: The earth spins on its axis once a day and orbits the sun once a year (365.24 days). In each case take the positive direction for the angular displacement to be the direction of the earth's motion. (a) Determine the average angular velocity of the earth as it spins on its axis. rad/s (b) Determine its angular velocity as it revolves around the sun. rad/s
A charged capacitor with C = 690 uF is connected in series to an inductor that has L = 0.460 H and negligible resistance. obtain the maximum voltage across the capacitor
q1. a fan at a rock concert is 30 m from the stage where the sound intensity level is 110 db. her eardrums have a
A woman can read the large print in a newspaper only when it is at a distance of 66 cm or more from her eyes. What should be the refractive power (in diopters) of her glasses
How much force is needed to increases the velocity of a 5000kg truck from 40 km/h to 70 km/h in 20 s on the horizontal road, What is the change of the total mechanical energy
A thin uniform rod has a length of 0.520 and is rotating in a circle on a frictionless table. calculate the mass of the bug and rod
q1. a solenoid is to be constructed that will have a resistance of 5.00 ohms and produce a magnetic field of 0.0400 t
The resistance of a bagel toaster is 17 ?. To prepare a bagel, the toaster is operated for one minute from a 120-V outlet. How much energy is delivered to the toaster
If the acceleration ü(t) of the ground in Example is a single sine pulse of amplitude ao and duration t1' as shown in Figure.
A pitcher throws a curveball that reaches the catcher in 0.53 s. The ball curves as it is spinning at an average angular velocity of 315 rev/min (assumed constant) on its way to catcher's mitt. What is the angular displacement of the base ball (in ra..
While driving north at 25 m/s during a rainstorm you notice that the rain makes an angle of 38 with the vertical. find the speed of the raindrops relative to the ground
in amusement park ride magic mountain superman powerful magnets accelerate a car rides rest 45 ms about 100 mih a time
A block is placed on a frictionless ramp at a height of 11.5 m above the ground. Starting from rest the block slides down the ramp. What is the speed of the block when it is 6.25 m, vertically, above the ground
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