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A 11.1-kg object hangs in equilibrium at the end of a rope (taken as massless) while a wind pushes the object with a 60.3-N horizontal force. Find the tension in the rope and the rope\'s angle from the vertical. The acceleration due to gravity is 9.81 m/s2.
A moving particle encounters an external electric field that decreases its kinetic energy from 8650 eV to 7540 eV as the particle, Determine the charge of the particle. Include the algebraic sign (+ or ?)
An atom of mass 3.32*10^(-26)kg oscillates in one dimension at a frequency of 10^13Hz, calculate the quantized energy levels
A 1000 kg aircraft going 25 m/s collides with a 1500 kg aircraft that is parked and they stick together after the collision and are going 10 m/s after the collision. If they skid for 5.4 seconds before stopping, how far did they skid?
2 radio antennas are 100m apart along a north-south line. Theybroadcast identical radio waves at a frequency of3.0MHz, what is the phase difference between the waves at this point
The platter of a computer hard drive disk rotates at 5400rpm.
A 30 ohm resistor has a voltage difference of 3 volts across its leads. What is the power being dissapated in the resistor
At one instant a bicyclist is 35.0m due east of a park's flagpole, going due south with a speed of 20 m/s. Then, 19 s later, the cyclist is 60.0 m due north of the flagpole, going due east with the speed of 11 m/s. For the cyclist in this 19s inte..
An electric field of 9.45 105 V/m is desired between two parallel plates, each of area 37.0 cm2 and divided by 2.45 mm of air. What charge must be on each plate.
How many electrons would have to be added to one of these spheres to make it electrically neutral?
find the final temperature when 1000 g of water at 20 celcius in a 125 g copper calorimeter is mixed with 50g of steam originally at 153 celcius.
What range is appropriate
At the start of a race, a four-man bobsled team pushes their sled as fast as they can along a 50 m flat starting stretch. What is the speed of the sled right before the team jumps on the sled
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