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Problem: Two small balls, A and B, attract each other gravitationally with a force of magnitude F. If we now double both masses and we cut in half the separation of the balls,
Part A: What will be the new magnitude of the gravitational force on each one?
Please help for the above problem, totally confused!! Show each steps if possible, Thanks.
An archer shoots an arrow toward a 300 g target that issliding in her direction at a speed of 2.00 m/s on a smooth, slippery surface. What is the speed of the arrow after passing through the target
A crate of mass 10.2 kg is pulled up a rough incline with an initial speed of 1.60 m/s. What is the change in kinetic energy of the crate
On a Saturday morning, pickup trucks and sport utility vehicles carrying garbage to the town dump form a nearly steady procession on a country road, With what frequency do the trucks pass him
Discuss thermometers, absolute temperature, thermal joints inthe bridges, and thermostats in houses. In this discussion question, do not be limited merely by theexamples presented in the discription. Note that the spiritof the question is the expl..
A 18 g rifle bullet traveling 230 m/s buries itself in a 3.6 kg pendulum hanging on a 2.8 m long string, obtain the horizontal component of the pendulum's displacement
A coil of inductance 79 mH and unknown resistance and a 0.71 µF capacitor are associated in series with an alternating emf of frequency 850 Hz. If the phase constant among the applied voltage and the current is 75°, what is the resistance of the coil..
A negative charge of -2.0 multiplied by 10-4 C and a positive charge of 9.5 multiplied by 10-4 C are divided by 0.30 m. What is the force between the two charges.
what is the new value of energy stored in it. What is the force that is acting between them.
A diffraction pattern is produced on a screen 148 cm from a single slit, using monochromatic light of wavelength 480 nm. Calculate the slit width
A thin, metallic, spherical shell of radius a = 7.0 cm has a charge qa = 2.00×10-6 C. What is the charge on the outer surface of the outer shell
You have 31m of wire, which you want to use to construct a 45cm diameter coil whose magnetic field at its center will exactly cancel the earth's field of 0.55 gauss. What current will your coil require
Waterslides are nearly frictionless, hence can provide bored students with high-speed thrills. If Kevin is clocked at 25 m/s at the bottom of the slide, find the work done on him by friction
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