Computing the tension in the string
A 10.5-kg uniform board is wedged into a corner and held by a string at a 50 degree angle. Calculate the tension in the string. Hint: take torques about the corner and assume any length for the board.
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What is the rms current in an RL circuit when a 50.0HZ 240V rms ac voltage is applied, where R = 1.50 , and L= 520MH ? What is the phase angle between voltage and current? What are the rms voltage readings across R and L?
A person with a receiver is 5 km away from the transmitter. What is the distance that this person must move further to detect a 3dB decrease in signal strength.
An alpha particle has a charge of +3.2 x 10 ^ -19 C and a mass of 6.6 x 10 ^ -27 kg. The angle between v and B is 51 degrees. What is the radius of its circular orbit?
A bottling company produces bottles that hold 12 ounces of liquid. Periodically, the company gets complaints that their bottles are not holding enough liquid. To test this claim, the bottling company randomly samples 250 bottles and finds the aver
An ideal otto cycle heat engine with compression ratio 15.1 Assume perfects gases with constant specifics heat. heat add by combustion Q.900kj. Determine the Work of the cycle.
What is the magnitude and direction of angular momentum of the teacher plus the turn table after he flips the wheel over. Explain and show picture.
What is the minimum power rating for each of the two speakers for this system so that the speakers are not at risk of being damaged?
Calculate the highest velocity ,Acceleration and jerk under the motion scheme? Sketch a Displacement curve ,and lable all pionts?
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