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A painting of mass 3.20 kg hangs on a wall. Two thin pieces of wire, each 0.250 m long, connect the painting's center to two hooks in the wall. The hooks are at the same height and are 0.330 m apart. When the painting hangs straight on the wall, how much tension is in each piece of wire? What would the FBD look like for this?
A spacecraft in the shape of a long cylinder has a length of 100 m, and its mass with occupants is 1810 kg. Determine the total force on the spacecraft
The mass of a star is 1.75·1031 kg and it performs one rotation in 37.3 days. Find its new period (in /days) if the diameter suddenly shrinks
What force does a 55 kg passenger exert on the seat when she is at the top of the Ferris wheel.
An ice skater with mass of 50 kg pushes off from the wall of an ice rink. How much work is done on the skater by the wall
A 200 lbs guy wants to slide down a plastic slide 24 ft long and on a 30 degree angle, after that the slide goes horizontally for 6 feet. Taking friction into consideration, how fast would he be going down the slide.
A positively charged oil drop of mass 1.0 × 10-15 kg is placed in the region of a uniform electric field between two oppositely charged, What is the magnitude of the charge on the drop
A bullet mass 7.1 grams is fired from a gun with a muzzle velocity of 1,078 mph. It embeds itself 77.3 cm in a wood post. What was the average force on the bullet in slowing it to a stop?
A 2 ?C negative charge is attracted to a large, well-anchored, positive charge. How much kinetic energy does the negatively charged object gain
An inductor that has an inductance of 15.0 H and resistance of 30.0 W is connected across a 100-V battery. Calculate the rate of increase of the current
A match that was just blown out was dropped into a 2 liter bottle and the cap put on. Explain how the smoke helped the water vapor condense
A 31.2cm diameter coil consists of 17 turns of circular copper wire 1.70mm in diameter. The resistivity of copper is 1.68×10-8 Ohm m. Determine the current in the loop
At a point where an irrigation canal having a rectangular cross section is 18.3m wide and 3.70m deep, the water flows at 2.25cm/s. How deep is the canal at this point
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