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An electron starts from rest 86.5 cm from a fixed point charge with Q = -0.204C. What total potential dissimilarity accelerates the electron to being very far away from Q?
A boy flies a kite with the string at a 30 degree angle to the horizontal. The tension in the string is 4.5 Newton. Find how much work does the string do on the boy
you launch a small rocket up into the air. the rocket has a constant total acceleration of 12m/s^2 and burns for 10 seconds. ignoring air resistance: find the velocity of the rocket when it burns out
The maximum torque experienced by a coil in a 0.80 T magnetic field is 8.4 10-4 N · m. What is the length of the wire from which the coil is made
A 120 V electric coffeepot draws a current of 0.6 A. What is the resistance of its heating element
His arm is 70 cm long and has a mass of 4.0 kg. Illustrate what is the magnitude of the torque about his shoulder if he holds his arm straight out to his side, parallel to the floor?
julie throws a ball to her friend sarah. the ball leaves julies hand a distance 1.5 meters above the ground with an
question a glass rod rubbed with silk acquires a charge of 1.0times10-9 c.1-what is the charge on the silk?2-how many
The aorta carries blood away from the heart at a speed of about 40 cm/s and has a radius of approximately 1.1 cm. determine the approximate number of capillaries in the human body
When a certain metal is illuminated by light of frequency 3.3 multiplied by 1015 Hz,a stopping potential of 6.9 V is required to stop the most energetic ejected electrons. What is the work function of this metal?
As seen from above, a playground carousel is rotating counterclockwise about its center on frictionless bearings. Find the final angular speed of the carousel after the person climbs aboard
Two people start at the same place and walk around a circular lakein opposite directions. How long will it be before they meet
A disk-shaped merry-go-round of radius 2.63 m and mass 155 kg rotates freely with an angular speed of 0.763 rev/s, Calculate the initial and final kinetic energies for this system.
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