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An ion having charge +6e is traveling horizontally to the left at 8.60km/s when it enters a magnetic field that is perpendicular to its velocity and deflects it downward with an initial magnetic force of 7.04×10^-15N. What is the direction of this field?
1. The field is directed out of the screen.
2. The field is directed into the screen.
3.The field is directed to the right.
4. The field is directed tot he left. What is the magnitude of this field?
An electron and a positron each have a mass of 9.11 x 10-31 kg. determine the energy of the electromagnetic radiation
A soccer player kicks a ball from ground level with an initial velocity of 25 m/s at an angle of 30° above the horizontal. What is the highest point in meters that the ball will reach
A current of -3.70 A is located 5.51 cm along the x axis, that is, at the point (5.51,0.00) cm. A current of -6.15 A is located 4.08 cm along the y axis, Find the magnetic field at the origin
A 0.5 kg lump of clay is moving at 2 m/s in the +x direction of some arbitrarily chosen coordinate system. What is the velocity of the pair after the collision
The root-mean-square speed (thermal speed) of the molecules of a gas is 200 m/s at a temperature 23.0°C.
Communications satellites are placed in a circular orbit where they stay directly over a fixed point on the equator as the earth rotates. What is the speed of a satellite in a geosynchronous orbit
A child is floating stationary in a inner tube in a swimming pool. the childs mass is 32 kg. What is the volume of the inner tube
An old hunting weapon was a rock on the end of a string. The hunter would swing the rock in horzontal circles and then throw it. If the rock had a mass of 2 kg and the 2 m long string breaks when the tension is 60N.
A spherical planet is discovered by astronomers orbiting a star which has the same mass as our Sun. The orbital period of the planet is 2.55 Earth years, How far from the star (in AU) does the planet orbit
Calculate the absolute pressure at the bottom of a fresh-water lake at a depth of 31.2 m. Assume the density of the water is 1.00 103 kg/m3 and the air above is at a pressure of 101.3 kPa
A toy rocket, of mass 60 g, achieves a velocity of 80 m/s after3.0 s when fired straight up. What average force does the rocketengine exert?
A lens is formed from a plastic material that has an index of refraction of 1.55. If the radius of curvature of one surface is 1.25 m, calculate the focal length and the power of the lens.
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