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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.
Open-Response Homework Problem 1.1 Since 1982, a penny has contained 2.5grams of copper. The atomic weight of copper is 63.546g/mole and the atomic number is 29. How many electrons are in a penny? Open-Response Homework Problem 1.2 A solid, insula..
A hang glider and its pilot have a total mass equal to 119 kg. While executing a 360° turn, What is the net force on the hang glider
If astronauts could travel at v = 0.970c, we on Earth would say it takes (4.20/ 0.970) = 4.33years to reach Alpha Centauri, 4.20 light-years away. How much time passes on the astronauts' clocks
Identical point charges of +2.6 µC are fixed tothree of the four corners of a square. What is themagnitude q of thenegative point charge that must be fixed to the fourth corner, so that the charge at the diagonally opposite corner experiences a netfo..
A hydraulic lift has pistons with areas 0.65m^2 and 5.50m^2 , and they're at the same height. how much mass can the larger piston support
The track near the top of your favorite roller coaster has a circular shape with a diameter of 22 m. What is the speed of the roller coaster
Consider the circuit shown in the figure below. (Assume R1 = 12.0Ω, R2 = 2.20Ω, andV = 6.00 V.) Calculate the equivalent resistance of the R1 and 5.00Ω resistors connected in parallel.
How many kilometers per liter will a car obtain if its engine is 25 percent efficient and it encounters and average force of 1000 Newtons? Suppose the energy content of gasoline is 40,000,000 joules per liter (J/L).
The angular position of a point on the rim of a rotating wheel is given by theta = 2.7t + 4.8t2 + 1.5t3, What is the angular speed at t = 6.0 s
Two automobiles of equal mass approach an intersection. One vehicle is travelling with velocity 13 m/s toward the east and the other is travelling north with speed v2i. Neither driver sees the other.
A certain centrifuge produces a centripetal acceleration of magnitude exactly 1220g at a point 11.7 cm from the axis of rotation. Find the number of revolutions per second
An acre-foot is the volume of water that would cover 1 acre of flat land to a depth of 1 foot. How many gallons are in 1 acre-foot
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