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Suppose a star the size of our Sun, but of mass 8.0 times as great, were rotating at a speed of 1.0 revolution every 11 days. If it were to undergo gravitational collapse to a neutron star of radius 13 km, losing 3/4 of its mass in the process, what would its rotation speed be? Assume the star is a uniform sphere at all times.
A rifle with a weight of 40 N fires a 3.5 g bullet with a speed of 240 m/s. find the recoil speed of the man and rifle
a hollow metal sphere has 7cm and 11cm inner and outer radii respectively. the surface charge density on the inside
A long-jumper leaps of the horizontal at a speed of 11.0 m/s at an angle of 20 degrees. what is his toal distance traveled
A flying squid (family Ommastrephidae) is able to "jump" off thesurface of the sea by taking water into its body cavity and thenejecting the water vertically downward. How high in the air will the squid rise
1a what is the magnitude and direction of the electric field a distance of 5times10-7m from an electron?bhow much
A 201 kg log is pulled up a ramp by means of a rope that is parallel to the surface of the ramp. The ramp is inclined at 30.0° with respect to the horizontal. The coefficient of kinetic friction between the log and the ramp is 0.860, and the log has ..
What is the initial conditions such that an underdamped harmonic oscillator will immediately begin steady-state motion (that is, the attractor motion) under the time-dependent driving f(t)=A .cos(wt). Express answer in terms of A, w, wo ,and betta.
in fresh water, sound travel at a speed of 1460m/s in the cold air sound travel in speed of 331m/s. how far is he from the site of the explosion
A 13 kg dog is standing on the edge of astationary, frictionless turntable of rotational inertia 95kg·m2 and radius 2.05 m.The dog walks once around the turntable. What fraction of a fullcircle does the dog's motion make with respect to the ground?
The amplitude of a 3.00-kg object in simple harmonic motion is 10.0 m. The maximum speed of the object is 5.00 m/s What is the frequency of simple harmonic motion
In a church choir loft, two parallel walls are 5.88 m apart. The singers stand against the north wall. The organist faces the south wall, sitting 0.619 m away from it. So that she can see the choir, a flat mirror 1.147 m wide is mounted in the south ..
A 2000 kg car is slowed down uniformly from 21.0 m/s to 10.00 m/s in 3.60 s. (a) what average total force acted on the car all through that time? (b) How far did the car travel all through that time.
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