Homework Answers
intially total energy of the electron is kinetic energy and it is 50eV . when it falls into the potential well, for which it posseses 40 eV of ppotential energy. now , the remaining energy is kinetic energy. because total energy at any time should be same. so now kinetic energy is 10eV.
hemce kinetic energy dicreases.
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Multiple Choice- You do not need to show your work - No partial credit...
please show all work on how you get the answer. I have the answer of what...
please show all work on how you get the answer. I have the answer
of what is posted below, along with the question. I will rate.
3. A proton with a kinetic energy E 5 MeV) moves along the B-field. The acceleration of the proton is measured to be 4.7.1012 am/2. Assuming that find B, the radius R of the (circular) trajectory of the proton and the rotation period T. direction and enters a region with an unknown is perpendicular...
Multiple Choice. Select the best option. You do not need to show your work. S Two...
Multiple Choice. Select the best option. You do not need to show your work. S Two men, Joel and Jerry, push against a wall. Jerry stops after 10 min, while Joel can push for 5.0 min onger. Compare the work they do. A) Both men do positive work, but Joel does 75% more work than Jerry. B) Both men do positive work, but Joel does 50% more work than Jerry C) Both men do positive work, but Jerry does 50%...
Need answer for all multiple choice 30. If f78 and 1/125 (s) gives the (s) under...
Need answer for all multiple choice
30. If f78 and 1/125 (s) gives the (s) under the same lighting condition? proper exposure, what f-stop number should be used with 1/500 a) fi4 c)f116 a) You choose a bigger f/# pth of field (DOF) without changing the exposure, you do which of the following? c) You 32. Which of the following is NOT TRUE for a Keplerian telescope? b) You increase the shutter speed. d) You choose a wide-angle camera lens....
Choose the correct answer of the following and show your work to get full credit An...
Choose the correct answer of the following and show your work to get full credit An object is moving at a constant rate in a horizontal circular path of radius 1 m. If the radia acceleration of the object is 625 m/'s2, its speed is: a. 625 ms b. 25 mis c 5ms d. 1 m's lnte frmula???the quantity G a is greatest at the surface of the Earth b. depends on the local value of g c is a...
Recitation Work - 5 In order to get full credit, you need to show all your...
Recitation Work - 5 In order to get full credit, you need to
show all your work.
question 1.
A force Fx = cx^3 (c = 3.0 N/m^3) acts on an object with mass 40
kg that is sliding along a rough horizontal floor (x-axis) with
coefficient of kinetic friction of 0.2. A) What is the work done by
the force Fx on this object as it slides from x1 = 0.0 m to x2 =
6.0 m?
B) What...
Please help i have been trying to do these for a while but cant seem to find an answer choice
Please help i have been trying to do these for a while but
cant seem to find an answer choice
1) A fellow named Jim is trying to prank one of his coworkers, Dwight. Jim thinks it would be a good idea to use a thermite reaction to melt a hole through Dwight's car. Jim doesn't know much chemistry, so he just mixes together all of the aluminum powder and iron (III) oxide he has, which is 300 g of...
Multiple Choice (select the best answer) (2 pts each 1. Consider a uniform hoop of radius...
Multiple Choice (select the best answer) (2 pts each 1. Consider a uniform hoop of radius R and mass M rolling without slipping. Which is larger, its translational kinetic energy or its rotational kinetic energy? A) Translational kinetic energy is larger B) Rotational kinetic energy is larger. C) Both are equal. D) You need to know the speed of the hoop to tell. 2. A disk and a hoop of the same mass and radius are released at the same...
Clearly state your solution path. Partial credit will only be given for clear steps. Units must...
Clearly state your solution path. Partial credit will only be given for clear steps. Units must be provided or points will be subtracted. Clearly label the end result, use double lines to underscore or box the final result. Note the equation sheet is on the back. (10 pt) An electron enters a region between two capacitor plates with equal and opposite charges. The plates are L=0.1 m by 0.05 m and the gap between the plates is h=0.001 m. During...
Directions: Answer any Five (5) of the following 9 problems. Show all work partial credit granted....
Directions: Answer any Five (5) of the following 9 problems. Show all work partial credit granted. 1. In the H-Atom an electron, ge- -1.6 X 1019 Coul orbits the proton, q 1.6 x 1019 Coul at a radial distance r 0.53 x 1010 m. Calculate: (a) The E-field at the position of the electron due to the proton; (b) The voltage at the position of the electron due to the proton; (c) The energy stored in the E-field generated by...
MULTIPLE CHOICE, Show your work in the space provided, Circle the correct answer 1. An object...
MULTIPLE CHOICE, Show your work in the space provided, Circle the correct answer 1. An object is moving with constant non-zero velocity. Which of the following statements about it must be true? As shown in the figure, a woman is straining to lift a large crate, but without success because it is too heavy. We denote the forces on the crate as follows: P is the magnitude of the upward force being exerted on the crate by the person, C...
please show all work on how you get the answer. I have the answer
of what is posted below, along with the question. I will rate.
3. A proton with a kinetic energy E 5 MeV) moves along the B-field. The acceleration of the proton is measured to be 4.7.1012 am/2. Assuming that find B, the radius R of the (circular) trajectory of the proton and the rotation period T. direction and enters a region with an unknown is perpendicular...
Multiple Choice. Select the best option. You do not need to show your work. S Two men, Joel and Jerry, push against a wall. Jerry stops after 10 min, while Joel can push for 5.0 min onger. Compare the work they do. A) Both men do positive work, but Joel does 75% more work than Jerry. B) Both men do positive work, but Joel does 50% more work than Jerry C) Both men do positive work, but Jerry does 50%...
Need answer for all multiple choice
30. If f78 and 1/125 (s) gives the (s) under the same lighting condition? proper exposure, what f-stop number should be used with 1/500 a) fi4 c)f116 a) You choose a bigger f/# pth of field (DOF) without changing the exposure, you do which of the following? c) You 32. Which of the following is NOT TRUE for a Keplerian telescope? b) You increase the shutter speed. d) You choose a wide-angle camera lens....
Choose the correct answer of the following and show your work to get full credit An object is moving at a constant rate in a horizontal circular path of radius 1 m. If the radia acceleration of the object is 625 m/'s2, its speed is: a. 625 ms b. 25 mis c 5ms d. 1 m's lnte frmula???the quantity G a is greatest at the surface of the Earth b. depends on the local value of g c is a...
Recitation Work - 5 In order to get full credit, you need to
show all your work.
question 1.
A force Fx = cx^3 (c = 3.0 N/m^3) acts on an object with mass 40
kg that is sliding along a rough horizontal floor (x-axis) with
coefficient of kinetic friction of 0.2. A) What is the work done by
the force Fx on this object as it slides from x1 = 0.0 m to x2 =
6.0 m?
B) What...
Please help i have been trying to do these for a while but
cant seem to find an answer choice
1) A fellow named Jim is trying to prank one of his coworkers, Dwight. Jim thinks it would be a good idea to use a thermite reaction to melt a hole through Dwight's car. Jim doesn't know much chemistry, so he just mixes together all of the aluminum powder and iron (III) oxide he has, which is 300 g of...
Multiple Choice (select the best answer) (2 pts each 1. Consider a uniform hoop of radius R and mass M rolling without slipping. Which is larger, its translational kinetic energy or its rotational kinetic energy? A) Translational kinetic energy is larger B) Rotational kinetic energy is larger. C) Both are equal. D) You need to know the speed of the hoop to tell. 2. A disk and a hoop of the same mass and radius are released at the same...
Clearly state your solution path. Partial credit will only be given for clear steps. Units must be provided or points will be subtracted. Clearly label the end result, use double lines to underscore or box the final result. Note the equation sheet is on the back. (10 pt) An electron enters a region between two capacitor plates with equal and opposite charges. The plates are L=0.1 m by 0.05 m and the gap between the plates is h=0.001 m. During...
Directions: Answer any Five (5) of the following 9 problems. Show all work partial credit granted. 1. In the H-Atom an electron, ge- -1.6 X 1019 Coul orbits the proton, q 1.6 x 1019 Coul at a radial distance r 0.53 x 1010 m. Calculate: (a) The E-field at the position of the electron due to the proton; (b) The voltage at the position of the electron due to the proton; (c) The energy stored in the E-field generated by...
MULTIPLE CHOICE, Show your work in the space provided, Circle the correct answer 1. An object is moving with constant non-zero velocity. Which of the following statements about it must be true? As shown in the figure, a woman is straining to lift a large crate, but without success because it is too heavy. We denote the forces on the crate as follows: P is the magnitude of the upward force being exerted on the crate by the person, C...
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