An electron strikes the screen of the cathode ray tube with a velocity of 10 to the 9th power cm/s. Compute its kinetic energy in erg.The mass of an electron is 9 x 10^-31 kg?(A) 4.5 x 10^-10 ergB3.0 x 10^-10 ergс1.5 x 10^-10 ergD) 2.5 x 10^-10 erg A 2.00-kg projectile is fired at an angle of 20.0°. What is the magnitude of the force exerted on the projectile when it is at the highestposition in its trajectory? Neglect any effects of air resistance.(A 4.90 NB19.6 Nс9.80 NDΟΝE 14.7 N

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An electron strikes the screen of the cathode ray tube with a velocity of 10 to the 9th power cm/s. Compute its kinetic energy in erg. The mass of an electron is 9 x 10^-31 kg? (A) 4.5 x 10^-10 erg B) 3.0 x 10^-10 erg C) 1.5 x 10^-10 erg (D) 2.5 x 10^-10 erg

An electron strikes the screen of the cathode ray tube with a velocity of 10 to the 9th power cm/s. Compute its kinetic energy in erg. The mass of an electron is 9 x 10^-31 kg? (A) 4.5 x 10^-10 erg B) 3.0 x 10^-10 erg C) 1.5 x 10^-10 erg (D) 2.5 x 10^-10 erg

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

An electron strikes the screen of the cathode ray tube with a velocity of 10 to the 9th power cm/s. Compute its kinetic energy in erg.
The mass of an electron is 9 x 10^-31 kg?
(A) 4.5 x 10^-10 erg
B
3.0 x 10^-10 erg
с
1.5 x 10^-10 erg
D) 2.5 x 10^-10 erg

A 2.00-kg projectile is fired at an angle of 20.0°. What is the magnitude of the force exerted on the projectile when it is at the highest
position in its trajectory? Neglect any effects of air resistance.
(A 4.90 N
B
19.6 N
с
9.80 N
D
ΟΝ
E 14.7 N

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