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A 2kOhm resistor and 400mH inductor are connected in series to a 1300Hz generator with an rms voltage of 15V.
a) what is the rms current in the current?
b) what capacitance must be inserted in series with the resistor and the inductor to reduce the rms current to half the value found in part (a).
Starting from rest with an acceleration of 0.37 m/s2, he covers the same distance as the ramp does, but in one-fourth the time. Illustrate what is the speed at which the belt of the ramp is moving?
A 3 meter diamter steel excess hatch is located 20 meter (center of gravity) below the water level of an intake structure. What is the total force on the hatch
A large fraction of the ultraviolet (UV) radiation coming from the sun is absorbed by the atmosphere. The main UV absorber in our atmosphere is ozone, O 3 rm O_3. In particular, ozone absorbs radiation with frequencies around 9.38×1014Hz rm Hz..
A pendulum consists of a compact 0.30 kg bob attached to a string of length 1.90 m. A block of mass m rests on a horizontal frictionless surface. The pendulum is released from rest at an angle of 53° with the vertical.
A certain gyroscope consists of a uniform disk with a 52 cm radius mounted at the center of an axle that is 12 cm long and of negligible mass. what is the precession rate
If 1.00 mol of oxygen is heated at constant pressure of 1.00 atm from 10.0°C to 25.0°C. How much heat is absorbed by the gas
A 220 kV power transmission line carrying 500 A is hung from grounded metal towers by ceramic insulators, What fraction of the power carried by the line in this
An elementary particle called a pi meson (or pion for short) has an average lifetime of 2.6*10^-8 s when at rest. Find how far would the pion have traveled relative to Earth
A projectile is fired at an upward angle of 45 degrees from the top of a 265 m cliff with a speed of 350 m/s. Illustrate what will be it's speed when it strikes the ground below?
What is the highest value of the magnetic force.
A man runs at a velocity of 4.5 m/s frao 15.0 min. When going up an increasingly steep hill, How far did he run
A certain diatomic molecule vibrates with a characteristic frequency v= 2.45x10^9s^-1 (these are microwaves). Calculate the relative population of the ground state
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