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An 8.40 gram bullet has a speed of 1.13 km/s. Determine what is its kinetic energy in joules?
Determine what is the bullet kinetic energy if its speed is halved?
Determine what is the bullet kinetic energy if its speed is doubled?
If the elastic limit of steel is 5.0*10^8 Pa, determine theminimum diameter a steel wire can have if it is to support a 62 kgcircus perfomer without it elastic limit being exceeded.
A horizontal incident beam consisting of white light passes through an equilateral prism. What is the dispersion (thetaV -thetaR) of the outgoing beam
A non-uniform bar 5 meters has a center of gravity 1 meters from the heavy end. If it is placed on the edge of a block 1 meters from the light end and a weight of 1497N is placed at the light end of the bar, it will be balanced. What is the weight..
The light shining on a diffraction grating has a wavelength of 495 nm (in vacuum). Determine how many lines per centimeter does the grating have
A computer monitor accelerates electrons and directs them to thescreen in order to create an image. If the acceleratingplates are 1.05 cm apart, and have a potential differenceof 2.00×104 V, find the change in electricpotential energy for any elect..
the star s0-2 of spectral class b1 v orbits the central black hole at the galactic center on an orbit with a semimajor
If 600 j of heat are added to 50 g of water initially at 20 degrees C. What is the final temperature of the water
Imagine that we drop a block of mass m from a height h above the comparatively lightweight plate supported by a vertical spring with relaxed length L and spring constant k. From what value of h would we have to drop the block to compress spring to..
a boat capable of making 10.0 kmh in still water is used to cross a river flowing at speed of 4.0 kmh. the boat is
The motor of a ski boat produces a power of 38000 W to maintain aconstant speed of 15.3 m/s. What is the tension in the rope pulling the skier
It is desired to construct a solenoid that will have a resistance of 5.00 ohm (at 20°C) and produce a magnetic field of 4.00 x 10-2 T at its center when it carries a current of 3.60 Amp. Calculate the length the solenoid should have
A force of 75N is applied horizontally to a box of mass 10kg, moving with an initial speed of 4m/s on a level surface with coefficient of kinetic friction= 0.3
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