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A non conducting solid sphere of radius 2.40 centimeter carries a uniformly distributed positive charge of 7.80E-9 C. Find the magnitude of the electric field at a point 1.50 centimeter away from the center of the sphere. Find the magnitude of the electric field at a point 3.10 centimeter away from the center of the sphere.
a gymnast with mass m1 46 kg is on a balance beam that sits on but is not attached to two supports. the beam has a mass
During a particular thunderstorm, the electric potential between a cloud and the ground is Vcloud - Vground = 2.0 x 108 V, with the cloud being at the higher potential. What is the change in an electron's potential energy when the electron moves from..
In one of the original Doppler experiments a tuba was played on a moving flat train car at a frequency of 75 hz, What beat frequency was heard if the train car approached the station at a soeed of 10m/s
The angular speed of a rotating disk is 0.75 rad/s. What is the frequency of the rotation
An old-fashioned (vinyl) record rotates at a constant rate of 33 rpm. If the record has a radius of 18 centimeter, determine what is the linear speed of a point on its edge
A 4.19-kg ball of clay is thrown downward from a height of 2.79 m with a speed of 4.21 m/s onto a spring with k = 1490 N/m. Find the maximum compression of the spring
An electron microscope uses electrons that are accelerated tospeeds of 30000m/s.The electrone than sent perpendicularly throughanother electric field produced between two plastec 1.00cm apartwith potential difference of 12,000volts
when point charge q1 = +5.0uC and q2 = +2.4uC are brought near each other, estimate the distance between the charges
a balloon rubbed against denim gains a charge of -8.0 microc. whats the electric force between the balloon and the
Airplane flight recorders must be able to survive catastrophiccrashes. Therefore, they are typically encased in crash-resistantsteel or titanium boxes that are subjected to rigorous testing. Oneof the tests is an impact shock test, in which the bo..
A 3kg dog jumps horizontally into a basket hanging from a mass less string. The basket weights 6kg, Find the initial velocity of the dog
True false questions on physics
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