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Q1. The potential at location A is 393 V. A positively charged particle is released there from rest and arrives at location B with a speed vB. The potential at location C is 781 V, and when released from rest from this spot, the particle arrives at B with twice the speed it previously had, or 2vB. Find potential at B.
Q2. On level ground a shell is fired with the initial velocity of 74.5m/s at 60.5deg above the horizontal and feels no appreciable air resistance. At its highest point, find out the horizontal and vertical components of its velocity.
What is acceleration due to gravity
What is sign and magnitude of charge
A beam of 6 MeV electrons passes through a 400 micro-meter thick silicon detector. Estimate the energy lost by the electrons when crossing 200 micro-meters, 300 micro-meters and the full thickness of the detector.
Find the work function of the emitting surface and the wavelength of the second source. Determine the net work done on the piano.
When G was first measured by Henry Cavendish, newspapers of the time hailed his experiment as "weighing Earth experiment." And Why.
A 1590 kg car starts from rest on a horizontal road and gains a speed of 61 km/h in 30 s (a) what is its kinetic energy at the end of the 30 s.
What is x and y coordinates of the shell
Calculate the smallest coefficient of static friction necessary for mass A to remain stationary.
After being accelerated to a speed of 1.84×105, the particle enters a uniform magnetic field of strength 1.00 and travels in a circle of radius 35.0. The results of this experiment allow one to find.
What is final speed of the block
A 790-kg object and an 889-kg object are separated by 11.0 m. At what position (from the less massive object) can the 260-kg object be placed so as to experience a net force of 10 N towards the less massive object.
He is sitting on a set of bathroom scales. He notes that scales show four times his normal weight. What is the radius of the loop, in meters.
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