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A ship sails 130 km due north from island A to island B and then 92 km, in the direction 22° south of east, to island C. The ship after that returns directly to island A. Calculate the magnitude and direction of the displacement vector in the last trip.
Suppose you could pack neutrons (mass = 1.67 × 10-27 kg) inside a small ball of radius 0.026 m in the same way as neutrons, Approximately how many neutrons would fit inside the ball
Estimate the force P to accelerate the 80 - Ib block at 6ft/sec2 to the right.
When the front of the train passes the worker. A 1500 kg car moving north at 27.0 m/s is struck by a 2165-kg car moving east at 18.0 m/s. The cars are stuck together. How fast and in what direction do they move immediately after the collision.
When a single high-resistance (long) bulb is connected to a 1.5 volt battery, the current through the battery is about 80 milliampere. If you add another high-resistance (long) bulb in parallel, the battery current of course increases to 160 milliamp..
If a block of wood floating on a pool of water has a volume of 37 cm3 and displaces a volume of water of 30 cm3, what is the density of the wood
The three-toed sloth is the slowest moving land mammal. On the ground, the sloth moves at an average speed of 0.030 m/s, how much further would the tortoise have gone relative to the sloth
A charge of -3uc placed at point A experiences a downward force of 6 x 10 -5 n. What is the electric field intensity at point A
At some instant the velocity components of an electron moving between two charged parallel plates are Vx=1.5*10^5 m/s. What is the acceleration of the electron
The critical angle for a certain liquid-air surface is42.0°. What is the index of refraction of the liquid
A major-league pitcher can throw a baseball in excess of 44.2m/s. If a ball is thrown horizontally at this speed, how much would it drop by the time it reaches the catcher who is 16.10 m away from the point of release.
Two converging lenses are separated by 23.60 cm. The focal length of each lens is 11.00 cm. Determine the final image distance relative to the lens on the right
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
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