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A square coil, enclosing an area with sides 2.7 cm long, is wrapped with 2,461 turns of wire. A uniform magnetic field perpendicular to its plane is turned on and increases to 0.39 T during an interval of 0.8 s. What average voltage is induced in the coil? Express the answer with two decimal places.
Flight to Mars. To send a satellite from Earth to Mars, a rocket must accelerate the satellite until it is in the correct elliptical orbit around the sun. What is the semimajor axis of the satellite's orbit
The 6.5 kg box has acceleration to the left of 3.50 m/s^2. There is an applied force of 50 N acting on the box. Determine the magnitude of the friction acting on the box
If the ball's speed just before impact is 100 m/s, what is the angular speed of the rod immediately after the collision.
once upon a time, a stunt man would jump across the grand canyon a motorcycle. What minimum initial speed would be required to make across the canyon
A swimming pool has dimensions 32 m 9 m and a flat bottom. The pool is filled to a depth of 1.50m with fresh water. What is the force exerted by water on the bottom.
A bronze cannon ball with a mass of 3.5 kg is fired vertically from a small cannon and reaches a height of 25.0 m. find the maximum height reached by the cannon ball
a small charged pith ball is suspended 2 cm above a second charged pitch ball resting on an insulated surface. what charge must be on the upper ball to lift the lower ball
A single electron orbits a lithium nucleus that contains three protons (+3e). The radius of the orbit is 1.76 10-11 m. Determine the kinetic energy of the electron.
Consider two particles, each with a charge of +Q located at the opposite corners of a square of side d. What is the direction of the net electrical field at point P
You and a close friend stand facing each other. You are as close as you can get without actually touching. If a wire is attached to each of you, estimate the capacitance of this "human capacitor
A slab of marble is resting on the ground. It weighs 600 N and has the dimensions 0.1m x 0.2m x 1.0m. What is the greatest pressure that the slab can exert on ground.
A step-up transformer has 24 turns on the primary coil and 780 turns on the secondary coil. what input current and voltage are needed
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