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An inductor and a resistor are connected in series. When connected to a 60 Hertz, 90 Volt (rms) source, the voltage drop across the resistor is found to be 52 Volt (rms) and the power delivered to the circuit is 13 Watt.
(a) Find what is the resistance.
R =
(b) Find what is the inductance.
L = H
A high-speed drill reaches 2000 rpm in 0.50 s. What is the drill's angular acceleration? Through how many revolutions does it turn during this first 0.50s.
for an equatorial radius of 6370 km the circumference is 40024 km.. so consider this circumference as a long steel
Two football players are initially 2m apart. At the same instant they accelerate towards each other, Draw a picture. Define your coordinate system
A flat 134-turn current-carrying loop is immersed in a uniform magnetic field. The area of the loop is 9.13 cm2 and the angle between its magnetic dipole moment and the field is 43.9 degree.
An electron is observed traveling at a speed of 2.38 107 m/s parallel to an electric field of magnitude 11,460 N/C. How far will the electron travel before coming to a stop
A force platform is a tool used to analyze the performance of athletes measuring the vertical force that the athlete exerts on the ground as a function of time. What impulse did the athlete receive from the platform
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A street beam being tested is found to bend 0.021cm under a load of 920 kg, 0.040 cm for a load of 1700 kg, and 0.61 cm under a load of 2600kg. find the period of motion of the beam
in the quark model of fundamental particles a proton is composed of three quarks two up quarks each having charge 2e3
q1. the potential at location a is 419 v. a positively charged particle is released there from rest and arrives at
A 0.031 kg aluminum bullet traveling at 471 m/s strikes an armor plate and comes to a stop. compute the bullet's temperature change in degrees Celsius
A 410 W Carnot engine operates between constant-temperature reservoirs at 98°C and 49°C. find the rate at which energy is exhausted by the engine as heat
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