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A plate hits the floor and breaks into 2 pieces. The first piece has a mass of 0.2 kg and flies off at an angle of 30 degrees above the horizontal at 1.5 m/s. The second piece weighs 0.8 kg.
a. At Which direction does the second piece go?
b. What is the magnitude of its velocity?
At a given instant in time, a traveling EM wave is noted to have its maximum magnetic field pointing west, what are the maximum values for the two fields
Over a time interval of 1.92 years, the velocity of a planet orbiting a distant star reverses direction, changing from +22.2 km/s to -20.5 km/s. Find (a) the total change in the planet's velocity (in m/s) and (b) its average acceleration (in m/s2) du..
Photons of wavelength 220nm impact on a metal target and liberate electrons with kinetic energies ranging from 0 to 61X10 to the -20 power J. Determine the cutoff wavelength
Discover minimum thickness of glass
q1. a boat with a flat bottom and its cargo weigh 6000n. the area of the boats bottom is 4m squared. how far below the
a particular organ pipe can resonate at 240 hz, 400 hz, and 560 hz, What is the fundamental frequency of the pipe
A proton accelerates from rest in a uniform electric field of 675 N/C. At some later time, its speed is 1.35 106 m/s. (a) Find the magnitude of the acceleration of the proton.
Jack and Jill are standing on a crate at rest on the frictionless, horizontal surface of a frozen pond. Jack has a mass of 75.8kg, What is the final speed of the crate if both Jack and Jill jump simultaneously and in the same direction
A military gun is mounted on a railroad car (m = 1419 kg) as shown in the figure below There is no frictional force on the car, Find the recoil velocity of the car
A thin rod (length = 1.816 m) is oriented vertically, with its bottom end attached to the floor by means of a frictionless hinge. compute the magnitude of the angular acceleration of the rod
A spherical balloon has a radius of 6.95 and is filled with helium. The density of helium is0.179, Determine the largest mass of cargo the balloon can lift
Water flows through a pipe. The radius of the pipe in the narrow part is .2m and the radius of the pipe in the wider part is .4m. find the velocity of water in the wider part
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