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b Find Physics Q&A, Textbooks, an PHYS 1403 Lab Homework - Forc X Mail - Alfaro, Andrea - Outlook X C:/Users/alfar/Downloads/PHYS%201403%20 Lab%20Homework%20-%20Forces%20and%20Motion%20 F%2020 19.pdf File TTU Sign In Microsoft Outlook 1c Learning Catalytics C Chegg E Eating disorders in... The Physics Classro... BB Blackboard Physics formulas Apps 4:31 AM x Type here to search ENG 10/10/2019 X

College Physics

1st Edition

ISBN:9781938168000

Author:Paul Peter Urone, Roger Hinrichs

Publisher:Paul Peter Urone, Roger Hinrichs

Chapter7: Work, Energy, And Energy Resources

Section: Chapter Questions

Problem 31PE: Suppose a star 1000 times brighter than our Sun (that is, emitting 1000 times the power) suddenly...

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A particle has γ=2,865. a) Calculate c-v in m/s. If your calculator gives problems, you might want to solve the appropriate equation for c-v or c(1 - v/c) and use an approximation. b) In the previous problem, in a race to the moon, by 3/4ths the distance, light is one or ten meters ahead of the particle. We routinely approximate mass as zero, gamma as infinite, and speed as the speed of light. ("Massless particles" -- gamma and m have to be eliminated from the expressions. Light is a true massless particle.) If a massless particle has momentum 2,910 MeV/c, calculate its energy in MeV.
Implications of uncertainty(a) What is the uncertainty of our triple beam balance?i. ±0.1 gii. ±0.02 g (20% of least count) - correct answeriii. ±1 giv. My measurements are perfect, I don’t have uncertainties (b) Based on your previous answer, which measurement(s) have the proper significantfigures for our triple beam balance?i. 17.32 gii. 1.9 giii. 0.67 giv. 123.45 gv. 0.12345 kgvi. 111.1 gvii. 10.00 g (c) Explain how the uncertainty associated with the measurement apparatus determined the accuracy (appropriate number of decimal places) that you should include in the measurement
An astronaut exerts a 130-NN force pushing a beam into place on the International Space Station. The beam accelerates at 0.34 m/s2m/s2 a) Determine the mass of the beam. b)What is the percent uncertainty in your answer? The uncertainty of the force is 10 NN and the uncertainty of the acceleration is 0.01 m/s2m/s2?
Models are particularly useful in relativity and quantum mechanics, where conditions are outside those normally encountered by humans. What is a model?
d. A satisfactory radiograph is made using 30 mAs at 72 inches SID. How many mAs are needed to produce a similar radiograph at 84 inches SID? e. A satisfactory radiograph is made using 12 mAs at 40 inches SID. How many mAs are needed to produce a similar radiograph at 72 inches SID?
Can you explain what (c) answer is?
Hi. I still don't get it. I'm not sure what sin and cos have to do with it. But either way, I'm still stuck in the same place. I don't know how you got from steps 3 and 4 to the next step. One is for the x-axis and the other for the y-axis. How did they end up merged together? If you apply the Pythagorean theorem, you get either:v = sqrt{(vcos) 2 + (vsin) 2} Then what? Or you get:v = sqrt{(m1v1/m1+m2)2 + (m2v2/m1+m2)2} Now what? That "adding" step just looks like the Pythagorean theorem, with v2 being the c in c2 = a2 + b2, but what is going on on the other side of the equation? I don't understand how in the denominator you went from:(m1 + m2)2 + (m1 + m2)2 to(m1 + m2)2It seems to me like (m1 + m2)2 + (m1 + m2)2 = 2(m1 + m2)2 Explain as if I didn't understand the algebra, because I think that's the issue here.
The American physical chemist Gilbert Newton Lewis(1875–1946) proposed a unit of time called the “jiffy.” Accordingto Lewis, 1 jiffy = the time it takes light to travel one centimeter.(a) If you perform a task in a jiffy, how much time has it taken inseconds? (b) How many jiffys are in one minute? (Use the fact thatthe speed of light is approximately 2.9979 * 108m>s.)
Suppose a star 1000 times brighter than our Sun (that is, emitting 1000 times the power) suddenly goes supernova. Using data from Table 7.3: (a) By what factor does its power output increase? (b) How many times brighter than our entire Milky Way galaxy is the supernova? (c) Based on your answers, discuss whether it should be possible to observe supernovas in distant galaxies. Note that there are on the order of 1011 observable galaxies, the average brightness of which is somewhat less than our own galaxy.
ANSWER QUICK! Ive read the honor code and it says that their a question can have up to 3 subparts (i.e. part a, b, and c). So please answer all questions. Frodo is walking fast towards Mount Doom. What is the minimum uncertainty in his position, given that his velocity is 1000 2.0 mm.s-1? Frodo has a mass of 50 kg. (1 mm = 10-3 m). Pick correct answer: a)5.3 x 10-34 m, b)5.3 x 10-31 m , c)5.3 x 10-38 m, d)1.3 x 10-34 m, e)1.3 x 10-23 m 2. In the H atom, which of the following transitions will result from the absorption of the highest frequency photon? Select all that apply (Assume all transitions are possible). Pick correct answer: a)4d to 1s, b)2p to 4d, c) 3s to 6f, d)2p to 3s, e) 4p to 1s, f) 2p to 4s 3.Which of the following quantum numbers can be used to describe a 5p orbital? (Select all choices that apply) a)n=5; l = 1; ml = -1, b)n=5; l = 0; ml = -1, c)n=5; l = 1; ml = 0, d)n=5; l = 2; ml = -1, e)n=5; l = 0; ml = 1
pls send me answer of this Question immidiately and i will give you like sir sure.
How would I solve for Fnetx and Fnety for problems 2 to 9?