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A coil 3.90 cm in radius, containing 410 turns, is placed in a uniform magnetic field that varies with time according to B = (0.0180 T/s)t + (3.40 x 10-5 T/s4)t4. The coil is connected to a 5.30 Ω resistor, and its plane is perpendicular to the magnetic field. You can ignore the resistance of the coil. What is the magnitude of the current in the resistor at time t = 4.90 s? Give your answer in unit of milliampere (mA).
A 5.7 kg block attached to a spring executes simple harmonic motion on a frictionless horizontal surface. What is the amplitude of the motion
for many years the posted highway speed limit was 88.5kmhr 55mihr but in recent years some rural stretches of highway
Two masses M1=10 kilogram and M2= 8 kilogram are accelerated by a force of 60 Newton at an angle of 53o above the horizontal. Find the tension in the rope between the masses
A helicopter takes off vertically, with a constant speed 25 m/s. While rising, the pilot releases a cigarette butt at distance 33 m above the ground. How long does it take for the butt to hit the ground? Neglect air resistance.
Referring to Problem Prove in general that the uncoupled natural frequencies are always between the coupled natural frequencies.
A silicon solar cell looks like a battery with a 0.48V terminal voltage. what percentage of the energy incident on the cell is converted to electric energy
Four identical charges (+2.2 %u03BCC each) are brought from infinity, Determine the electric potential energy of this group
A car is designed to get its energy from a rotating flywheel with a radius of 2.25 m and a mass of 525 kg. What is the kinetic energy stored in the flywheel
Your friend has a near point of 142 cm, and she wears contact lenses that have a focal length of 33.2 cm. How close can she hold a magazine and still read it clearly
The "speed of light" (c) refers to the speed of all electromagnetic waves under what conditions? Which of the following characteristics of an object would allow no light to pass through?
A person 1.6 m tall stands 4.9 m from a reflecting globe in a garden. How large is the person's image
The skater farthest out has a mass of 80.0 kg and is 6.40 m from the pivot. He is skating at a speed of 6.50 m/s. Describe the magnitude of the centripetal force that acts on him.
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