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a) A uniform magneticfield of magnitude 1.52 T acts in the positive z direction. Find the magnitude of the force exerted by the field on a proton if the proton’s velocity is (2.3 Mm/s) ˆi.Answer in units of pN.
b) Find the magnitude of the force if the proton’s velocityis (2.6 Mm/s) ˆ?.Answer in units of pN.
c) Find the force if the velocity is (1 Mm/s) ˆi + (3 Mm/s)ˆ?.Answer in units of pN.
A grl is strapped to a board that is moving so that gamma along the length of the board is 2.0. what is the diameter of your hole in her reference frame when she arrives
What was the displacement of the spring. An elevator and its load have a combined mass of 1400 kg. Find out the tension in the supporting cable when the elevator, originally moving downward at 12 m/s, is brought to rest with constant acceleration i..
Two balloons (m = 0.028 kg) are separated by a distance of d = 0.9 m. They are released from rest and observed to have an acceleration of a = 1.9 m/s2 toward each other, How many electrons are respnsible for the charge
to take off from the ground an airplane must reach a sufficiently high speed. the velocity required for the takeoff the
In an electroplating process, it is desired to deposit 40mg of silver on a metal part by using a current of 2.0A. How long must the current be allowed to run to deposit this much silver?
using a 60 cm focal length converging lens one wishes to obtain a virtual image which is four times as large as the
a powerful laser pulse cannon fires that is firing lasers. each laser pulse lasts 6.66 micro seconds. what is the average intensity of the laser
If the velocity of a 3.0 kg body changes from v1= (3.0î , 5.0j) m/s to v2= (0î, 7.0j) m/s in a time interval of 2.0s. What is the impulse delivered to the body
A bullet of mass 4.3 g is fired horizontally into a 8.60 kg wooden block at rest on horizontal surface. The coefficient of kinetic friction between block and surface is 0.13.
At some point between the earth and the sun the net gravitational force is zero. How far is this point from the center of the earth
1. consider the human eye to be composed of a thin lens of uniform index of refraction n 1.43 with fluid of n 1
A box of books weighing 302 N is shoved across the floor of an apartment by a force of 401 N exerted downward at an angle of 35.2o below the horizontal. how long does it take to move the box 4.00 m, starting from rest
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