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Calculate the gravitational force exerted by the moon on a 70 kg person standing on the surface of the Earth. The mass of the moon is 7 x 10^22 kg and the distance between the center of the moon and the surface of the Earth is 4 x 10^8 m.
A gas increases in pressure from 2.0 atm to 6.0 atm at a constant volume of 1.0 m3 and then expands at constant pressure to a volume of 3.0 m3 before returning to its initial state. How much work is completed in one cycle.
A tank with a volume of 0.150 m contains 27.0 degrees celcius helium gas at a pressure of 100 atm. How various balloons can be blown up if each filled balloon so a sphere 30.0 cm in diameter at 27.0 and absolute pressure of 1.20atm .
A cylindrical copper rod of length 2.2 m and a cross-sectional area 5.0cm^2 is insulated to prevent heat loss through its surface. At what rate is energy conducted along the rod
The total load on a 10 cm radius ring with a homogeneous load distribution is 75microC. Determine the electric field 5 cm from the center of the ring on the rin
An eyepiece of 2.1- cm focal length and an objective of 0.34- cm focal length are used in a standard microscope. What power should be marked on the eyepiece
When you irradiate a metal with light of wavelength 435 nm in an investigation of the photoelectric effect, Find the work function of the irradiated metal in electron volts
1. an object is at distance s from a thin glass lens of focal length f. the lens is surrounded by air. the image is at
Find the flow distribution of water in the branching system using a trial method. Assume for all pipes f ¼ 0.02. The pump curve is represented by the relation HP ¼ 120 2 0.5Q2 (head in m, discharge in m3=s), HA ¼ 20 m, HB ¼ 50 m, HC ¼ 100 m, and H..
A block of cheese has a mass of 20 kg is at rest on the floor. Thisblock is then pushed by a horizontal force of 8 N across the floor.The final speed is 2 m/s. Determine the distance the box was pushed.
A small object with a mass of 333 mg carries a charge of 30.0 nC and is suspended by a thread between the vertical plates of the parallel-plate capacitor. The plates are separated by 2cm.
In the figure below, water stands at depth D =30.0 m behind the vertical upstream face of a dam of width W = 320 m. Discover the net horizontal force on the dam from the gauge pressure of the water.
A small 0.300kg bird is flying horizontally at 3.50m/stoward a 0.750kg thin bar hanging vertically from a hook at its upper end, as shown in the figure below. When the bird is far from the bar, what are the magnitude and direction (clockwise or ..
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