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A neutron star and a black hole are 2.400e+12 m from each other at a certain point in their orbit. The neutron star has a mass of 2.78×1030 kg and the black hole has a mass of 9.94×1030 kg. What is the magnitude of the gravitational attraction between the two?
Consider the Earth and a cloud layer 600 m above the planet to be the plates of a parallel-plate capacitor. what is the maximum charge the cloud can hold
The bugle and the Bach - Trumpet have no keys and thus play only the natural scale (open pipes). If the lowest note you can play on a bugle is D2 (73.42 Hz), what other notes can you play
The current in a coil changes from 3.10 A to 1.90 A in the same direction in 0.530 s. what is the inductance of the coil
A child and sled with a combined mass of 49.20 kg slide down a frictionless hill that is 7.38 m high. If the sled starts from rest, what is its speed at the bottom of hill.
A cart of mass (851.8 +- 0.1)g is configured in a setup. The tension in the string is 0.36 N and the cart has a displacement of 40.9cm
Suppose a formula for gain in heat energy of an object is H = m(A - B), where m = mass and (A - B) is its rise in temperature between A degrees and B degrees (as in #4). Write an expression for the absolute uncertainty, delta-H, in terms of m, del..
Laser light of wavelength 509nm illuminates two identical slits, producing an interference pattern on a screen 86.5cm from the slits, Calculate the width of the slits
Imagine a perfectly elastic collision between to masses. Mass m1 is moving horizontally to the right at v0 towards mass m2. Calculate the recoil angle of m2 and the recoil speed of m2
A converging lens with a focal length of 13.7 cm and a diverging lens are placed 24.0 cm apart, with the converging lens on the left. What is the height of the final image
A variable force of the form F=3x2 + 2x + 5 N acts on a 2 kg object as it moves from x = 2 m to x = 3 m. How much work is done by this force
You have a fish tank of 20.00 cm radius filled with water (n =1.33). Your pet goldfish is swimming 10.0 cm from the closest part of the tank form you. Calculate and describe the image your fish sees
Electric charge Q has been spread uniformly over a circular arc of radius R and central angle 40 degrees. What is the potential at point P, center of curvature of the arc.
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