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Two charges are fixed on the x axis: one with a charge of = 5.00 at = -1.00 and the other with a charge of = 3.00 at = 1.50 . Find the force exerted on a charge = -5.00 placed at the origin (x=0). What are the magnitudes of the three charges q, q1, and q2.
What are the direction and magnitude of the magnetic force the field exerts on the proton.
An airplane is flying with a velocity of 89.0 at an angle of 18.0 above the horizontal. When the plane is the distance 112 directly above a dog that is standing on level ground, a suitcase drops out of the luggage compartment. How far from the dog wo..
A bucket filled with dirt of mass 20 kg is suspended by a rope that hangs over a pulley of mass 30 kg and radius 0.25 m. Everything is initially at rest.
A flea jumps straight up to a maximum height of 0.470 m. What is its initial velocity v_0 as it leaves the ground.
How much time does it take to lift container with the motor.
A weather vane at first at rest has a moment of inertia of 0.111 kg • m2 about its axis of rotation. A 53.0 g piece of clay is thrown at the vane and sticks to it at a point 19.5 cm from the axis. The initial velocity of the clay is 20.0 m/s, directe..
The springs of a 1400 kg car compress 6.0 mm when its 68 kg driver gets into the driver's seat. If the car goes over a bump, what will be the frequency of vibrations.
A pendulum of length 9.00 m is held out to point A. At the vertical position, an overhang effectively cuts the length of the pendulum by an amount equal to 3m. (That is, 3.0 m is no longer free to swing.) How long does this pendulum take for one o..
A piece of string 5.30 m long has a mass of 14 g. What must the tension in the string be to make the wavelength of a 128 Hz wave 120 cm.
An airplane is flying in a horizontal circle at a speed of 100 m/s. The 80.0-kg pilot does not want her radial acceleration to exceed 7g. (a) What is the least radius of the circular path? (b) At this radius, what is the force causing the centripe..
suppose that the springs have somehow not yet compressed to their maximum amount. How much are the springs compressed.
The mass of the motor is four times the mass of the module. What is the speed (in km/h) of the command module relative to Earth just after separation?
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