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1. A charge of 3.75X10-9 C is located 3.2 m from a charge of -2.65X10-9 C. Discover the magnitude of the electrostatic force exerted by one charge on the other.
2. The Moon and Earth are bound together by gravity. If, instead, the force of attraction were the result of each having a charge of the similar magnitude but opposite in sign, discover the quantity of charge that would have to be placed on each to produce the needed force.
a 75.0-w lamp is placed in series with a resistor and a 120.0-v source. if the voltage across the lamp is 28 v what is
A electron enters a magnetic field of 0.3 T at an angle of 45 degrees and with a speed of 5 E5 m/s. Find the force on the electron . Describe the part of the electron while in the magnetic field.
the italian restaurant across the street closes at 9 pm but the one two blocks away closes at 10 pm. 7. bob bought a
Given that the rotational constant of HF is 20.5cm-1, calculate the bond length of HF molecule
A partially evacuated airtight container has a tight-fitting lid of surface area 75.4 cm2 and negligible mass. If the force required to remove the lid is 384 N and the atmospheric pressure is 1.00 × 105 Pa, what is the air pressure in the containe..
Assume a typical hummingbird has a lifespan of 4.0 years and an average heart rate of 1300 beats per minute. (a) Calculate the number of times a hummingbird's heart beats in its life, and express it in scientific notation.
imagine a very heavy cube of pure gold that is 1.40 m on a side. approximate the atoms in this cube as little cubes.
A 2 micro-farad and a 5 micro-farad capacitors were connected inseries to a 12 volt battery. After the capacitors were fully charged, the battery was disconnected. The capacitors were connected in parallel. Find the charge on each capacitor in the..
What is the maximum velocity.
A train engine weighs 5 times as much as a flatbed car. how fast do the two move after the inelastic collision
A mass is oscillating on a spring with a period of 4.60 s. At t=0 s the mass has zero speed and is at x=8.30cm. What is the value of t the first time after t=0s that the mass is at x=4.15?
large transformers when used for some time become very hot and are cooled by circulating oil. the heating of the
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