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Four identical metallic objects carry the following charges: +1.29, +6.21, -4.54, and -9.14C. The objects are brought simultaneously into contact, so that each touches the others. Then they are separated. (a) What is the final charge on each object? (b) How many electrons (or protons) make up the final charge on each object?
A 0.0290 kg bullet moving horizontally at 400 m/s embeds itself into an initially stationary 0.500 kg block. How far does this combination travel before stopping
A boy whirls a stone in a horizontal circle of radius 1.9 m and at height 1.8 m above level ground. obtain the magnitude of the centripetal acceleration of the stone
approximately how far does it move while stopping? Express your answer to one significant figure and include the appropriate units.
1 a resistor and a capacitor are connected in series to an ac generator which is initially set to 120 v rms and a
A mass ball is attached to the spring and allowed to come to rest. It is then pulled down y and released. Illustrate what is the time constant if the ball's amplitude has decreased to y1 after oscillations?
an electron experiences a magnetic force with a magnitude of 4.60times10?15 when moving at an angle of 60.0 with
answer these 4 questions in detail approximately 300 words. make the senteces easier. dont make them complicated. just
You are the science officer on a visit to a distant solar system. Prior to landing on a planet you measure its diameter to be 1.8*10^7 m and its rotation period to be 22.3 hours. what is the mass of the star
Protons and electrons can be given very high energies in particle accelerators. What is the wavelength of an electron that has been accelerated to 99% of the speed of light
A balloon is released from a tall building. The total mass of the balloon including the enclosed gas is 1.5kg. Its volume is 2.5m^3. What is the average density of the balloon with gas
A 350kg piano slides 3.8m down a 29 degree incline and is kept from accelerating by a man who is pushing back on it parallel to the incline. Calculate the work done by the man on the piano
If they are released from rest and allowed to fall toward one another, what is their speed when they first make contact?
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