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A positive charge moves in a region where the magnetic field is uniform, has a magnitude of 60 uT and points in the positive x direction. At t=0 the charge has a velocity that has an x component of 30 km/s, a y component of 40 km/s, and a z component of zero. take the mass of the charge as m=9.11x10^-31kg, and the charge q=1.6x10^-19C.
a) what is the radius of the resulting path?
b) how far does the carge move in the forward direction for each rotation?
She comes to rest 3.00 m under the surface of the water. Identify the magnitude of the average force that the water exerts on the diver. This force is nonconservative.
Gold, which has a density of 19.32 g/cm3, is the most ductile metal and can be pressed into a thin leaf or drawn out into a long fiber. (a) If a sample of gold with a mass of 7.948 g, is pressed into a leaf of 1.547 m thickness.
What friction torque is required to reduce angular speed
An airplane is flying with a velocity of 97.0 at an angle of 25.0 above the horizontal. while the plane is a distance 103 directly above a dog that is standing on level ground, a suitcase drops out of the luggage compartment. How far from the dog ..
A sledge with bricks has a total mass of 180.0 kg and is pulled at a constant speed by a rope inclined at 20 degrees above the horizontal. The sledge moves a distance of 20 m on a horizontal surface.
A meteorologist tracks the movement of a thunderstorm with Doppler radar, What is the direction of the average velocity of the storm
An object with mass 4.0kg is executing simple harmonic motion, attached to a spring with spring constant 300N/m, Calculate the max speed obtained by the object
A 44.0-kg projectile is fired at an angle of 30.0° above the horizontal with an initial speed of 1.24 102 m/s from the top of a cliff 126 m above level ground, What is the initial total mechanical energy of the projectile
A person is drinking water from a plastic bottle. When the water level is 6cm from the top of the bottle, the person blows across the top producing a sound
A bartender slides a beer mug at 1.30 m/s towards a customer at the end of a frictionless bar that is 2.0m tall. The customer makes a grab for the mug and misses, and the mug sails off the end of the bar.
A hypodermic syringe contains a medicine with the density of water. The barrel of the syringe has a cross-sectional area of 2.5 x10-5 m2.
Earth has a net charge that produces an electric field of approximately 150 N/C downward at its surface. (a) What is the magnitude and sign of the excess charge.
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