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A particular nucleus has a radius of 4.90*10-15 m and a mass of 9.00*10-26 kg.
1) What is its mass per unit volume of this nucleus?
2) If Earth had the same mass per unit volume, what would be its radius? (The mass of Earth is 5.97*1024 kg.)
one block of mass m slides without friction on horizontal table. The block is attached to one end of a massless spring of equilibrium length L0 and spring constant k, Define the effective potential energy Veff. Sketch the U and Veff potential energ..
A runner is running the first heat of a100 m race at a velocity of 6.9 m/s in an easterly direction. What is the relative velocity of the runner to the wind
a projectile is launched on the earth with a certain initial velocity and moves without air resistance. another
When viewed in a spherical mirror, the image of a setting sun is a virtual image. The image lies 12 cm behind the mirror. (a) What is the focal length of the mirror
A d = 4.40 mm diameter wire carries an electric current of I = 13.4 A when the electric field is E = 6.22×10-2 V/m along the wire. What is the resistivity of the wire
A student bikes to school by traveling first = 1.10 north, then = 0.300 west, and finally = 0.100 south. what distance would the bird cover
Prior to the music CD, stereo systems had a phonographic turntable on which vinyl disk recordings were played. calculate the total number of rotations for the complete start-up
in a chamber a uniform magnetic field of 6.5 g 1 g 10-4 t is maintained. an electron is shot into the field with a
A third listener is positioned along the positive y-axis. What is her y-coordinate if same wave front reaches her at the same instant it does the first two listeners.
A parallel beam of light from a He-Ne laser, with wavelength of 644 nm, falls on two very narrow slits 0.05 mm apart. How far apart are the fringes in the center of the pattern on a screen 2.2m away.
an electron in a tv camera tube is moving at 6.20 times 106 ms in a magnetic field of strength 73 mt. without knowing
A 4.0 kg mess kit sliding on a frictionless surface explodes into two 2.0 kg parts, What is the original speed of the mess kit
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