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Instructions for finding a buried treasure includethe following: Go 736.4 paces at 130?, turn to 199?and walk 134 paces, then travel 157 paces at 195?.
Find the magnitude of the resultant displacement from the starting point. Answer in units of paces.
What is the direction of the resultant displacement?
Use counterclockwise from due East as
the positive angular direction, between the limits of -180? and + 180?.
Answer in units of degrees.
When light of wavelength 350 nm falls on a potassium surface, electrons having a maximum kinetic energy of 1.31 eV are emitted. find the frequency corresponding to the cutoff wavelength
A charged particle m=6g q=-80 c moves in a region of uniform field along a helical path (radius = 3.0 cm, pitch = 9.0 cm) as shown. Illustrate what is the angle among the velocity of the particle and the magnetic field?
What is the total power of Sunlight that is absorbed by the disk? The disk reradiates this power back to outer space as infrared light
Determine the kinetic energy of the electron in joules
A 1.10 kg hollowball with a radius of 0.134 m, filled with air, is released fromrest at depth of 2.16 m in a pool of water. What is the work done by the net vertical force on the ball as the ball moves from the bottom of thepool to the surface
q1. a 0.50-kg object is attached to an ideal massless spring of spring constant 20 nm along a horizontal frictionless
Calculate the ratio of the number of HBr molecules in state
Its market researcher begins by examining the rental markets in the Southeast, the history of apartment buildings, local economies, competitive rents, and ownership all information that was on hand and did not require any new research to locate. T..
Two spherical objects with a mass of 8.05 kg each are placed at a distance of 2.31 m apart. How many electrons need to leave each object so that the net force between them becomes zero
The work function for zinc is 4.31 eV. Ultraviolet light of wavelength 144 nm is incident on the clean surface of a zinc sample. What is the photon energy of the ultraviolet light
A charged particle moving with speed, v, enters a region containing a uniform magnetic field, Starting from Newton's second law, derive the formula for the radius of the particle's orbit in terms of its mass, m, speed, v, and the magnetic field, B
A 1 kg stone is thrown upward from a 20 m building with a vertical velocity of 15 m/s. Compute The velocity at impact with the ground
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