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Alpha particles of charge q = +2e and mass m = 6.6 x 10-27 kg are emitted from a radioactive source at a speed of 1.5 x 107 m/s. What magnetic field strength would be required to bend them into a circular path of radius r = 0.23 m?
A string wrapped around a peg (diameter=2.00 cm) along the axis of a top is pulled with a constant tension of 5.92 N. what is the moment of inertia of the top
Two charged bodies exert a force of 0.245N on each other. If they are moved so that they are one-fifth as far apart, what force is exerted?
A tiny sphere with a charge of q = +6.4 µC is attached to a spring. Two other tiny charged spheres, each with a charge of ?4.0-µC, are placed in the positions shown in the figure, in which b = 4.1 cm.
In order to drink from your glass you must first need to lift it to your mouth. As you begin to lift your 0.20kg glass of water it is accelerating upwards at 0.090 ms-2. What is the net force acting on the glass
A 0.600 kg block is attached to a spring with spring constant 18 N/m. While the block is sitting at rest, What is the amplitude of the subsequent oscillations
Compare the analytical method for solving for vectors and the graphical method for solving for vectors. Which is more accurate? And why?
a plank of mass m and length L is attached to a wall at one end, What is the magnitude of the force f exerted on the plank by the wall in terms of D, m, L
q1. two point charges q1 -10.0 nc and q2 20.0 nc are 15 cm apart on the x-axis. what is an electric potential at the
Two objects with masses of 2.50 kg and 5.90 kg are connected by a light string that passes over a frictionless pulley, Determine the distance each object will move in the first second of motion if both objects start from rest
You are standing on a canyon edge and you give a shout. After 4.9 s have passed, you hear your echo. Determine how far away the cliff wall is that your voice bounced off of
A grappling hook, attached to a 1.5-m rope, is whirled in acircle that lies in the vertical plane. In the absence of airresistance, to what maximum height can the hook be cast
A car tire is pressurized in the morning at a temperature of 200C to 2atm. By afternoon at a temperature of 350C the tire pressure has changed to 2.1atm but the volume has decreased by 2%.
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