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A proton of charge +1.60Ã-10-19 C and mass 1.67Ã-10-27 kg is introduced into a region of B = 0.149 T with an initial velocity of 1.01Ã-106 m/s perpendicular to B. What is the radius of the proton's path?
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Question: An object of mass m is dropped from height h above a planet of mass M and radius R. Find an expression for the object's speed as it hits the ground. Express your answer in terms of the variables m,M,h,R and app ...
Reactions with little or no activation energy are the least affected by temperature. Why? If the reaction had NO activation energy would it be affected at all by temperature?
John is traveling north at 20 meters/second and his friend Betty is traveling south at 20 meters/second. If north is the positive direction, what are John and Betty's speeds?
Question: An old-fashioned single-play vinyl record rotates on a turntable at 38.0rpm . What are (a) the angular velocity in rad/s and (b) the period of the motion? The response must be typed, single spaced, must be in t ...
How are chemical and physical changes different. What are some demonstrations that you might do to help your students differentiate between a chemical and physical change?
Can you please help me figure out what to do in this equation and why? While passing between Earth & Moon, a spacecraft is located on line connecting centers of two bodies and is at a distance of d=102km from radio anten ...
Question: A standard biological microscope is required to have a magnification of 200Ã-. When paired with a 10Ã- eyepiece, what power objective is needed to get this magnification? Part A: Assume that the length of the t ...
Question: Suppose that the coefficient of kinetic friction between Zak's feet and the floor, while wearing socks, is 0.250. Knowing this, Zak decides to get a running start and then slide across the floor. If Zak's speed ...
Question: A sinusoidal electromagnetic wave having a magnetic field of amplitude 1.25 \mu {\rm T} and a wavelength of 432 {\rm nm} is traveling in the + x direction through empty space. Write the equations for the electr ...
Question: An object is 6.0 cm in front of a converging lens with a focal length of 10 cm . Part A Use ray tracing to determine the location of the image. Express your answer using two significant figures. The response mu ...
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