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1. A metal ball has -9 Coulomb of charge. If it receives 0.50 * 10^20 number of electrons, what will be the resultants charge of the ball?
2. 2 equal charges are seperated by 33 mm and experiences a repulsion force of 9 Newton. Calculate the amount of each charge in micro Coulombs.
3. 2 equal charges, 147 micro Coulombs each, experiences an attraction force of 147 Newton. Calculate the distance between the charges in mm.
4. Add 6 micro Coulombs and 4,743 nano Coulombs and get the results in nano Couloms unit.
A horizontal rod 0.200 m long carries a current through a uniform horizontal magnetic field of magnitude 0.067 T that points perpendicular to the rod. what is the current flowing through the rod
you are traveling on a plane. the velocity of the plane with respect to the air is 140 ms due east. the velocity of the
Find out the average speed for the trip
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Draw free body diagrams at the top and the bottom.What is the rope's tension at the top? What about the bottom?
A cord of length 1.3 m is fixed at both ends. Its mass per unit length is 1.1 g/m and the tension is 11 N. (a) What is the frequency of the fundamental oscillation? Hz (b) What tension is required if the n = 3 mode has a frequency of 0.60 kHz? N
You would like to shoot an orange out of a tree with your bow and arrow. The orange is hanging 5.00 m above the ground. What is the height of the arrow above the ground once it has travelled the 43.0 m horizontally
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The height of the haystack is 1 meter. You press down on topof the stack and discover that to compress the stack by 25cm, What is the haystack's spring constant
A g215 g sample of a substance is heated at 330 degree celcius and then plugged into 105 aluminum calorimeter cup containing 165 g of water and a 17 g glass thermometer at 125 degree C. the final temperature is 35 degree C. what is the specific heat ..
When a guitar string is sounded along with a 441-Hz tuning fork, a beat frequency of 4.00 Hz is heard. When the same string is sounded along with a 437-Hz tuning fork, beat frequency is 8.00 Hz. What is the frequency of the string.
A 0.800 m long solenoidis formed by wrapping 680 turns of wire around a hollow cylinderwith a radius of 0.130 m. calculate the energy stored in the field
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