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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).
The speed of sound in air at 0 degrees C is 331 m/s. If the density of air is 1.29 kg/m^3, then what is the bulk modulus of air
A skier approaches the base of an icy, frictionless hill with a speed of 13.4m/s . The hill slopes upward at 24.0^\circ above the horizontal. Find the acceleration of this skier
A plane accelerates from rest at a constant rate of 5.00m/s^2 along a runway that is 1800m long. What is the distance traveled by the plane in the last second before taking off
The micro cantilever of Problem is used to sense the mass of a particle mp that attaches to its free end. Calculate mp knowing that the lumped-parameter.
A cart with mass 310 g moving on a frictionless linear air track at an initial speed of 1.4 m/s undergoes an elastic collision with an initially stationary cart of unknown mass. What is its speed after impact
A thermos contains 148 cm3 of coffee at 88.5°C. To cool the coffee, you drop two 12.2-gram ice cubes into the thermos. Obtain the final temperature of the coffee in degrees Celsius
A lighter-than-air spherical balloon and its load of passengers and ballast are floating stationary above the earth. Ballast is weight (of negligible volume) that can be dropped overboard to make the balloon rise.
it is found experimentally that the electric field in a certain region of earths atmosphere is directed vertically
Oil is pumped at 25.0 m³/min into a tank 10.0 m above the ground. (1 L of oil has a mass of 0.68 kg.) What power, in kW, must be delivered by the pump
A 10.0 kg block is dragged overa rough, horizontal surface by a 73.0 N force acting at 20.0° above thehorizontal. The block is displaced 4.50 m, and the coefficient of kinetic friction is 0.300.
q1. for the beam given in the figure below assume that the material is astm-a514 steel with elastic modulus and e
Two stars with equal areas and emissivities have surface temperatures of 4,061 K and 6,078 K respectively
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