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A particle with a charge of -8.5μC is traveling East with a speed of 45 m/s in a region by a magnetic field of 0.30T. If the direction of the magnetic field is south determine;
1. The direction of the magnetic force
2. The magnitude of the magnetic force
A circular metal loop whose radius is 6:0 cm carries a current of 5:0 A. It is horizontal, while the earth's field points North and 60? below the horizontal. (The earth's field has a magnitude of about 0:50 Gauss, which is 0:5 10?4 T.
Astronomers determine that a nearby galaxy is moving toward our galaxy at a speed of 720.0 km/s with respect to the Earth, what was the wavelength emitted by the star
A rifle of a mass M is initially at rest but free to recoil. It fires a bullet of mass M and velocity v. After firing, the velocity of the rifle is ?
A ball of mass m makes a head-on elastic collision with asecond ball (at rest) and rebounds with a speed equal toone-fifth its original speed. What is the mass of the second ball
a parallel plate capacitor of capacitance c0 has plates of area a with separation d between them. when it is connected
A neuron is stimulated with an electric pulse. The action potential is detected at a point 3.20cm down the axon 0.0053s later, What is the speed of the electric pulse along the axon
a tennis ball bouncing on a hard surface compresses and then rebounds. the details of the rebound are specified in
an object is moving along a straight line and the uncertainty in its position is 1 m.a find the minimum uncertainty in
Suppose that a parallel-plate capacitor has circular plates with radius R = 40.0 mm and a plate separation of 4.0 mm. Suppose also that a sinusoidal potential difference with a maximum value of 340 V and a frequency of 120 Hz is applied across the..
An explosion breaks an object into two pieces, one of which has 1.5 times the mass of the other. how much kinetic energy did each piece acquire
At time t= 0, a 2150-kg spacecraft in outer space fires an engine that exerts anincreasing force on it in the +x-direction. What impulse does the engine exert on the spacecraft during the 1.5 s interval starting 2.0 s afte..
Consider a closed triangular box resting within a horizontal electric field of magnitude E = 7.40x10^4 N/C, below.
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