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1.)what is the magnitude of the force experienced by a proton moving at 3 km/s inside magnetic field of strength 0.05T
2.)an electron is moving at 2x10^5 m/s through a uniform magnetic field of 1.4x10^-3 T.what is the magnitude of magnetic force if the velocity of the electron and the field make an angle of 45 degree.
As observed from Earth, the wavelength of Hβ in the spectrum of the star Megrez in the Big Dipper is 486.112 nm. Laboratory measurements demonstrate that the normal wavelength of this spectral line is 486.133 nm. Is the star coming toward us or mo..
Charges +Q and +3Q are separated by a distance 2m. Find the location and value of the third charge in terms of Q
If wind blows at 25 m/s over a house, what is the net force on the roof if its area is 214 m2 and is flat
A sinusoidal wave travels along a stretched spring. A point along the string has a maximum velocity of 1.0 m/s and a maximum displacement of 2cm. What is the maximum acceleration at that point
Its walls are equally high and 11 m apart. He takes off by driving a motorcycle up a short ramp sloped at an angle of 24°. Illustrate what minimum speed must he have in order to clear the canyon?
Suppose a conducting rod is 48 cm long and slides on a pair of rails at 3.25 m/s. What is the strength of the magnetic field in T if a 6 V emf is induced
In compressing the spring in a toy dart gun, 0.4 J of work is done. What is the dart's kinetic energy as it leaves the gun
A 49 kg woman is ice-skating toward the east on a frictionless frozen lake when she collides with a 95 kg man who is ice-skating toward the west. The maximum force exerted on the woman by the man through the collision is 220 N, west. Take east to be ..
A bus is traveling at a speed of 25.0m/s along a level road. Find the shortest distance in which the bus can come to a halt without causing the crate to slip forward relative to the bus
an electric dipole consists of charges 2e and -2e separated by 0.53 nm. it is in an electric field of strength 4.60 106
A friend of yours is loudly singing a single note at 380 Hertz while racing toward you at 24.4 m/s on a day when the speed of sound is 341 m/s. Determine what frequency do you hear
A 3.0 kg particle with velocity v = (5.0 m/s) i - (6.0 m/s)j is at x = 3.0 m, y = 8.0 m. It is pulled by a 7.0 N force in the negative x direction. What torque about the origin acts on the particle
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