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A group of particles is traveling in a magnetic field of unknown magnitude and direction. You observe that a proton moving at 1.70 in the -direction experiences a force of 2.10×10?16 in the -direction, and an electron moving at 4.60 in the -direction experiences a force of 8.40×10?16 in the -direction.What is the magnitude of the magnetic field? What is the direction of the magnetic field? (in the -plane) What is the magnitude of the magnetic force on an electron moving in the -direction at 3.60 ? What is the direction of this the magnetic force? (in the -plane)
How much work is done by the motor when the motor when the position of the arm is moved from x=0.150m to x=0.750m? what is the power of the motor in watts
A baseball pitcher throws a 145 g baseball parallel to the ground with a speed of 24.76 m/s in the +x direction. What is the velocity of the ball after leaving the bat
A motorcycle, which has an initial linear speed of 9.7 m/s, decelerates to a speed of 2.6 m/s in 3.6 s. Each wheel has a radius of 0.69 m and is rotating in a counterclockwise (positive) directions. What is (a) the constant angular acceleration (in r..
A person 1.6 m tall stands 2.9 m from a reflecting globe in a garden. (a) If the diameter of the globe is 33 cm, where is the image of the person, relative to the surface of the globe?
An object is placed 19cm from a certain mirror. The image is half the size of the object, inverted, What is the radius of curvature of the mirror
Heat engines take input energy in the form of heat, use some of that energy to do work, and exhaust the remainder. Determine the magnitude of the heat the athlete gives off
A 0.73-kg mass is hanging from a spring with spring constant 13 N/m. What is the resulting period of the oscillation
A cannon fires a cannonball from the top of a wall at a speed of 25.58 m/s and an angle of 17.44 degrees from the horizontal. What is the horizontal distance from the wall where the fired cannonball hits the ground
A flask is filled with 1.50 L (L = liter) of a liquid at 98.0 °C. What is the coefficient of volume expansion of the liquid
A 3.40-kg object is attached to a spring and placed on frictionless, horizontal surface. Find the maximum acceleration of the object
Tim and Rick both can run at a constant speed Vr and walk at the constant speed Vw, (Vw
A nitrogen molecule is initially in a large volume of calm air at STP. find the length of the path traveled by the molecule
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