4 20 Points A Cosmic Ray Particle With Negative Charge Q 1 60x10 19 C Has At A Given Instant A Speed Y 2 500x 1 (60.34 KiB) Viewed 91 times
4 20 Points A Cosmic Ray Particle With Negative Charge Q 1 60x10 19 C Has At A Given Instant A Speed Y 2 500x 2 (60.34 KiB) Viewed 91 times
4. ( 20 POINTS) A COSMIC RAY particle with NEGATIVE charge q =- 1.60x10-19 C has, at a given instant, a speed y = 2.500x 108 m/s in the xy plane directed at an angle of 30 degrees clockwise from the y axis as shown below. A magnetic field of magnitude B = 1.00 T is along the y axis in the positive direction, upward on the page. The x-y axes lie in the plane of the page. The z-axis is perpendicular to the page and the positive z- direction is out of the page. (a) (10 points) What is the direction of the magnetic force on the particle at this instant? (b) (10 points) What is the magnitude of the magnetic force on the particle? (c) (3 points) EXTRA CREDIT. If the particle has mass 1.00x10 -29 kg, what is the magnitude of the particle's acceleration at this instant? What is the direction of the particle's acceleration? 30 х
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