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A 8.95 H inductor with negligible resistance is placed in series with a 15.3 V battery, a 3.00 ? resistor, and a switch. The switch is closed at time t = 0 seconds.
(a) Calculate the initial current at t = 0 seconds.
(b) Calculate the current as time approaches infinity.
(c) Calculate the current at a time of 3.25 s. and
(d) Determine how long it takes for the current to reach half of its maximum.
The displacement of a particle moving under uniform acceleration is some function of elapsed time and acceleration. Suppose we write this displacement as: s=ka^mt^n where k is the dimensionless constant.
In a large centrifuge used for training pilots and astronauts, a small chamber is fixed at the end of a rigid arm that rotates in a horizontal circle. obtain How long is the arm of the centrifuge
A 1.02 liter flask contains a certain quantity of ideal gas at 315 K. Then an equal number of molecules of the same gas are added to the flask, after which the absolute pressure is 1.60 times its original value. What is a final temperature.
A cylindrical hoop and a spherical shell both roll without slipping and both have identical masses (6 kg) and identical radii (0.2 m). What is the velocity of each at the bottom of the hill
A small 0.280-kg object moves on a frictionless horizontal table in a circular path of radius 4.30 m. The angular speed is 8.02 rad/s.what is the radius of the smallest possible circle on which the object can move
What is the magnitude of the net force on the student.What is the magnitude of contact force on the student by the backpack.
A Michelson interferometer splits a beam of light of unknown wavelength producing a bright fringe (i.e., all of the intensity) at the detector, What is the wavelength of the unknown light
A 2 kg mass is pushed 0.5 m into a spring with spring constant 200 N/m on a frictionless horizontal surface. Upon release, the mass travels across the surface until it encounters a rough incline. The mass moves up incline and stops at a height of ..
What is the speed of the center of mass
A bowling ball with a mass of 6.8 kg strikes a stationary pin that has a mass of 1.6 kg. After the collision, the pin flies forward (in the positive x direction) with a speed of 7.3 m/s, and the ball continues forward at 3.2 m/s (in the positive x..
Protons in cosmic rays have been observed with kinetic energies as large 2.70 × 108 eV. How fast are these protons moving
In a popular amusement park ride, a rotating cylinder of radius 4.00 m is set in rotation at an angular velocity of 6.00 rad/s. The floor then drops away, leaving the riders suspended against the wall in a vertical position.
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