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Q. A long, thin solenoid has 811 turns per meter and radius 2.50 cm. The current in the solenoid is increasing at a uniform rate of 75.9A/s. What is the magnitude of the induced electric field 0.2070cm from the axis of the solenoid? Give your reply in Volts/meter in scientific notation to three significant digits.
How much of the rope must be pulled. Find the magnitude of the magnetic field at the point x = 0, y = 0.7 m, z = 0.
A uniform-density 8 kg disk of radius 0.27 m is mounted on a nearly frictionless axle. Initially it is not spinning. A string is wrapped tightly around the disk, and you pull on the string with a constant force of 39 N by a distance of 0.7 m. Now ..
An airoplane takeoff speed is 320km/h. if its average acceleration is 2.9m/s^2, how long is it on runway after starting its takeoff roll.
He would like a prescription for contact lenses to serve the similar purpose. What is the correct contact lens prescription, in diopters.
What is the coefficient of static friction
A bug is splattered on a car windshield. Evaluate the magnitude of the windshield's force on the bug to the magnitude of the bug's force on the windshield.
When Capacitor C1 having voltage V is connected with another capacitor C2 having zero charge in parallel with C1 what would be the dissipated energy.
A dynamite blast at a quarry launches a rock straight upward, and later it is rising at a rate of 15m/s. Assuming air resistance has no effect on the rock, calculate the total time the rock is in the air.
A man drops a baseball off of the top of the Empire State Building. If an action force is the pull of the Earth on the ball, then what is the reaction force.
A vertical spring (spring constant = 119 N/m) is mounted on the floor. A 0.390 kg block is placed on top of the spring and pushed down to start it oscillating in simple harmonic motion. The block is not attached to spring.
At launch, the space shuttle's engines offer a thrust of 29 x 10^6N, and it accelerates upward at 1.75 m/s^2. What is the shuttle's mass.
When placed 1.2 m apart, the force each exerts on the other is 12 N and is repulsive. What is the charge on each? What if the force were attractive.
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