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Two spherical objects have a combined mass of 150 kilogram. The gravitational attraction between them is 8e-6 Newton when their centers are 20 centimeter apart.
a. Calculate the mass of heavier object?
b. Calculate the mass of lighter object?
A 5.00g bullet is fired horizontally into a 1.20kg wooden block resting on a horizontal surface. What was the initial speed of the bullet
The threshold of dark-adapted (scotopic) vision is 6.0 x 10-11W/m2 at a central wavelength of 500 nm. how many photons per second enter the eye
A source of electromagnetic waves radiates power uniformly in all directions at a single frequency. What is the peak value of the magnetic field at the detector due to the wave
An alpha particle (m = 6.7 x 10^-27kg, q = +3.2 x 10^-19C) has a speed of 30km/s at point A and moves to point B where it momentarily stops. Only electric forces act on the particle throughout this motion. Find out the electric potential difference.
A thin rod consists of two parts joined together. One-fourth of it is silver and three-fourths is gold. The temperature decreases by 21 C°.
as a physics demonstration a fire syringe is used to demonstrate the high temperatures that can be reached inside a
a skier starts down a frictionless 33 degree slope. after a vertical drop of 30m the slope temporarily levels out and
A car moving with an initial speed v collides by a second lighter stationary car that is 41.7% as massive. After the collision, the two cars stick together and move off in the same direction as before. Compute the final speed of the two cars after th..
The length of the B string on a certain guitar is 62.0 cm. It vibrates at a fundamental frequency of 246.0 Hz. what should the tension be when the string is in tune
Consider a 9.5-mm-diameter wire made from copper (mass density 8.9 g/cc, resistivity 1.7E-8 ohm-m). What is the electric field (in V/m) in the wire
q1. consider the gas consisting of a large number of non-interacting particles in which energy of each particle can
A 50cm long non-conducting cylinder of radius 4cm has a volume charge density of 30 uC/m^3. A grounded conducting cylindrical shell of radius 6cm is placed concentrically around the charged cylinder.
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