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Assume you take a 2.0 ×102 ohm resistor and a 6.0 µF capacitor and make a series circuit with a voltage source that has voltage amplitude 30 Volt and an angular frequency of 2.5×102 rad/s. A) Determine what is the impedance of the circuit?
B) Determine what is the current amplitude?
C) Determine the voltage amplitudes across the resistor and the capacitor.
D) Determine what is the phase angle Φ of the source voltage with respect to the current?
E) Does the source voltage lag or lead the current?
The coefficient of kinetic friction between rubber and dry concrete is typically 0.650. Illustrate w hat happened to the car's original kinetic energy?
A tetherball leans against the smooth, frictionless post to which it is attached. The string is attached to the center of the ball. If the string is L = 1.20m long and the ball has a radius of r = 0.150m with mass m = 0.250kg
A bedroom bureau with a mass of 40 kg, including drawers and clothing, rests on the horizontal floor. What is the static friction force on the bureau initially
A sprinter is just coming out of the starting block, and only one foot is touching the block. How large is the resultant of these forces
Driving along a crowded freeway, you notice that it takes a time t to go from one mile marker to the next. What was your original speed
The maximum speed of a 3.7-kg mass attached to a spring is 0.67 m/s , and the maximum force exerted on the mass is 12 N. What is the amplitude of motion for this mass? What is the force constant of the spring?
A 16.0-m uniform ladder weighing 480 N rests against a frictionless wall. Find the horizontal and vertical forces the ground exerts on the base of the ladder when an 820-N firefighter has climbed 3.90 m along the ladder from the bottom
in an inkjet printer letters and images are created by squirting drops of ink horizontally at a sheet of paper from a
In a common lecture demonstration of wave pulses, If the tubing is given a transverse blow at one end, how long will it take the resulting pulse to reach the other end
An electric current I=5.0 amp flows down the y-axis and to the right on the x-axis. What is the magnitude and direction of the magnetic field at a point in the x-y plane with coordinates (a,a) where a=20 cm
A sled weighs 100 N. It is held in place on a frictionless 20 degree slope by a rope attached to a stake at the top of the slope; What is the normal force acting on the sled
A bowling ball of mass 6.00 kg rests in a groove with smoth, perpendicular walls, inclined at angles of 30.0 degrees (theta). find the normal forces at the left and right points of contact
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