Use the concept of phasor to combine each of the following
Use the concept of phasor to combine each of the following sinusoidal functions into a single trigonometric expression:
(a) y = 50cos(500t + 60) + 100cos( 500t - 30)
(b) y = 200 cos( 377t + 60) -100sin( 377t + 150)
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Explain in your own words the meaning of acute and chronic exposure, deterministic and stochastic effects from radiation. Give examples
A sinusoidal current is zero at t = -0.625 s and increasing at a rate of 8000pi A/s. The maximum amplitude of the current is 5 A. a. What is the frequency of i in radians per second b. What is the expression for i
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Use the concept of phasor to combine each of the following sinusoidal functions into a single trigonometric expression: (a) y = 50cos(500t + 60) + 100cos( 500t - 30) (b) y = 200 cos( 377t + 60) -100sin( 377t + 150)
The front 1.20 m of a 1600 kg car is designed as a "crumple zone " that collapses to absorb the shock of a collision. what is the magnitude of the average force on the car
An 80KHz sinusoidal voltage has zero phase angle and a maximum amplitude of 20 mV. When this voltage is applied across the terminals of a capacitor, the resulting steady state current has a maximum amplitude of 0.7 mA.
an object has a kinetic energy of 312 J and a momentum of magnitude 20.3 kg × m / s 1, find the speed of the object
A 25.0 g object moving to the right at 17.0 cm/s overtakes and collides elasticity with a 7.0 g object moving in the same direction at 15.0 cm/s. find the velocity of each object after the collision
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