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A particle with a charge of ? 5.00nC is moving in a uniform magnetic field of B? =?( 1.23T )k^. The magnetic force on the particle is measured to beF? =?( 3.10×10?7N )i^+( 7.60×10?7N )j^.
b) Calculate the x component of the velocity of the particle.
c) Calculate the y component of the velocity of the particle.
d) Calculate the scalar product v*F. Work the problem out symbolically first, then plug in numbers after you've simplified the symbolic expression.
e) What is the angle between v and F?
The other end is attaced to a 3 kg disk moving in uniform circular motion on the table, which stretches the spring by 1 cm. Note: Friction is negligibe. Illustrate what is the work done on the disk by the spring during one full circle?
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Michael Phelps won a gold medal at the 2008 Beijiing olympics by swimming the 200 meter medley in 1:54:80. On an off-day Mike swims the medley in 1:58:32. What is the speed in mph? (Give the ans. to two decimal places)
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What is the speed of the projectile
A solid, frictionless cylindrical pulley with a mass of 3kg and a 0.420 m radius is used to draw water from a well. A 1.50kg bucket is attached to a cord that is wrapped around the pulley. If the bucket starts from rest at the top of the well and ..
create destructive interference between the speakers. Friction provides the force required for a car to travel around a flat, circular race track.
The magnetic field in an electromagnetic wave has a peak value given by B = 3.3uT. Find the peak intensity. Find average intensity
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what is the velocity of plane with respect to the ground. A nonconducting sphere has radius R = 2.53 cm and uniformly distributed charge q = +6.00 fC. Take an electric potential at the sphere's center to be V0 = 0.
A jumper in the long jump goes into the jump with a speed of 12.0 m/s at an angle of 20 degrees above the horizontal. How far does the jumper jump.
A bottle containing 2 kg of water at a temperature of 15°C is placed in a refrigerator where the temperature is kept at 5°C. How much heat is transferred from the water to cool it to 5°C
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