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A point mass of 1kg collides elastically with a stationary point mass of 5 kg. After collision,the 1 kg mass reverses its direction and moves with a speed of 2m/s. calculate total momentum of system and kinetic energy of centre of mass?
question1two bicycle tires are set rolling with the same initial speed of 4.00ms along a long straight road and
q1. black holes are suspected while a visible star is being noticeably pulled by an invisible partner that is more
In a 280-turn automobile alternator, the magnetic flux in each turn is ?B = 2.50 multiply.gif 10-4 cos ?t, where ?B is in webers, ? is the angular speed of the alternator, Determine the maximum emf in the alternator
A diver observes a bubble of air rising from the bottom of a lake to the surface, What is the ratio of the volume of the bubble as it reaches the surface to its volume at the bottom
Light precedes through three polarizing sheets. Unpolarized light enters the 1st sheet and the resultant vertically polarized beam continues through the 2nd and 3rd. What percent of the original intensity emerges from filter #1
A 550 N physics student stands on a bathroom scale in an elevator. As the elevator starts moving, the scale reads 450N. (a) Find the acceleration of the elevator. Find the mass of the worker.
A parallel-plate capacitor with circular plates of radius R is being discharged. What is the discharging current
the near point of a person's eye is 52.8 cm. To see objects clearly at a distance of 24.0 cm, what should be the focal length and power of the appropriate corrective lens
You walk from your house 0.25 miles West to Fred's house, What is your displacement from your initial position
How fast is the roller coaster moving at the top of the loop
An in compressible fluid is flowing through a pipe with a constriction. The wide section is 2.00 cm in diameter and is at the top of the pipe. What is the diameter of the narrow section for the pressure of the fluid in the narrow section to equal t..
makes an angle of 35.2o with the horizontal. In part b the person is looking at the top of the antenna, determine How tall is the antenna
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