1. A flask has a base of radius 12 cm and narrows to a neck of...
1. A flask has a base of radius 12 cm and narrows to a neck of radius 6 cm. It’s filled to the base of the neck with water. If 5.5x10-4 m3 of additional water is poured into the flask, by how much does the force of the water on the base increase?
a) 21.6 N b) 17.6 N c) 15.5 N d) 13.7 N e) 9.80 N
Homework Answers
1. At standard temperature and pressure, carbon dioxide has a density of 1.98 kg/m^3. What volume...
1. At standard temperature and pressure, carbon dioxide has a density of 1.98 kg/m^3. What volume (m3 ) does 1.75 kg of carbon dioxide occupy at standard temperature and pressure? 2.What mass of water (in kg) can be contained in a box whose dimensions are 225 mm by 225 mm by 401 mm? (Density of water = 1000 kg/m^3) 3.How much force (N) does the atmosphere exert on one side of a vertical wall 1.22 m high and 2.44 m...
7. A solid sphere of copper ( 8940 kg/m') with a radius of 5.0 cm has...
7. A solid sphere of copper ( 8940 kg/m') with a radius of 5.0 cm has a mass of a) 45 9 kg b) 6.78 kg c) 25.7 kg d) 4.68 kg (10 pts) The pressure at the bottom of a 76-cm high column of mercury (p = 13,550 kg/m) is a) 0.010 kPa b) 101 kPa c) 10.1 kPa d) 0.101 kPa (10 pts) 9. Anaxial force of 20 kN acts on a 1.50-cm diameter rod. The axial stress...
Revised by Prof. Kostadinov, Fall 2015, Fall 2014, Fall 2013, Fall 2012, Fall 2011, Fall 2010 Revised by Prof. Africk and Prof. Kostadinov Fall 2015, Spring 2016, #1 Identify the horizontal a...
Revised by Prof. Kostadinov, Fall 2015, Fall 2014, Fall 2013, Fall 2012, Fall 2011, Fall 2010 Revised by Prof. Africk and Prof. Kostadinov Fall 2015, Spring 2016, #1 Identify the horizontal and vertical asymptotes of the following functions using the limit definitions: 2x2 o) yA- #2 Find the derivatives of the following functions using the definition of derivative: a) f(x)-2x-5x #3 Find the derivative v dr of the following functions, using the derivative rules: b) f(x)--2x +3x-4 #4 Find the...
Need by 12 pm July 30, 2020 with answers shown and explanation. Thank you. R 1)...
Need by 12 pm July 30, 2020 with answers shown and explanation.
Thank you.
R 1) Two resistors are connected to each other in parallel, one resistor has a known value of R, the resistance of the second one is unknown. If the equivalent of two resistors in parallel is equal to what is the resistance of the second one? A) R B) 2R E) 4R 2) Which one of the following sentences is correct about the velocity selector? A)...
answer all multiple choice please 1 12. A tiny spherical water drop has a charge of 3.00 X 10'15C. How many excess electrons are on the drop? b.2.25X10c. 1.6X 01 d. 1.87 X 10 13. A wire contain...
answer all multiple choice please
1 12. A tiny spherical water drop has a charge of 3.00 X 10'15C. How many excess electrons are on the drop? b.2.25X10c. 1.6X 01 d. 1.87 X 10 13. A wire contains a steady eurrent of 0.75 A. The charge that passes a cross section in 3 s is: e. 3.35 C d, 225 С b, 6.4 x 10-1, С с.1.55 С a32x10", С 14. An electric field with a magnitude of 5 X...
e. 18 Test Your Knowledge MULTIPLE CHOICE: Choose the one best answer. 1. Each element has...
e. 18 Test Your Knowledge MULTIPLE CHOICE: Choose the one best answer. 1. Each element has its own characteristic atom in which a. the atomic mass is constant. b. the atomic number is constant. c. the mass number is constant. d. Two of the above are correct. e. All of the above are correct. 2. Which of the following is not a trace element in the human body? a. iodine b. zinc c. iron d. calcium e. fluorine 3. A...
1. A pole is held vertically by attaching wires at a height of 13.4 m above...
1. A pole is held vertically by attaching wires at a height of 13.4 m above the ground. The other end of each wire is anchored in the ground at a distance of 9.54 m from the base of the pole. The pole makes a right angle with the ground. What is the length of each wire? 2. A bug crawls 2.25 m along the base of a wall. Upon reaching a corner, the bug's direction of travel changes from...
titration lab report additional images of lab report QUESTIONS 1. A student masse 0878 of an...
titration lab report
additional images of lab report
QUESTIONS 1. A student masse 0878 of an unknown acid follows the titration procedure required to reach the endpoint on a 10.0 ml Calculate the molar mass of the acid. masses out 0.878 of die in 100 ml volume and titration procedure of Partsherds th the average volume of Non to reach the endpoint on 100 ml aliquot of the acid solution is 18.3 m . 2. In the vinegar titrations (Part...
need ans for the following questions, the last 3 pages for more info. Questions: more info:...
need ans for the following questions, the last 3 pages for more
info.
Questions:
more info:
expermint e/m avr=1.71033*10^11
7 2 points of the following options, which conditions for V or I produce the largest radius of the electron beam path r? Hint: Use e/m= 2V (5/4)*aP/(Nuo Ir) Maximum land Maximum V O Maximum land Minimum V Minimum I and Maximum V Minimum I and Minimum V 8 2 points By what factor will change if the radius of the...
7. A solid sphere of copper ( 8940 kg/m') with a radius of 5.0 cm has a mass of a) 45 9 kg b) 6.78 kg c) 25.7 kg d) 4.68 kg (10 pts) The pressure at the bottom of a 76-cm high column of mercury (p = 13,550 kg/m) is a) 0.010 kPa b) 101 kPa c) 10.1 kPa d) 0.101 kPa (10 pts) 9. Anaxial force of 20 kN acts on a 1.50-cm diameter rod. The axial stress...
Revised by Prof. Kostadinov, Fall 2015, Fall 2014, Fall 2013, Fall 2012, Fall 2011, Fall 2010 Revised by Prof. Africk and Prof. Kostadinov Fall 2015, Spring 2016, #1 Identify the horizontal and vertical asymptotes of the following functions using the limit definitions: 2x2 o) yA- #2 Find the derivatives of the following functions using the definition of derivative: a) f(x)-2x-5x #3 Find the derivative v dr of the following functions, using the derivative rules: b) f(x)--2x +3x-4 #4 Find the...
Need by 12 pm July 30, 2020 with answers shown and explanation.
Thank you.
R 1) Two resistors are connected to each other in parallel, one resistor has a known value of R, the resistance of the second one is unknown. If the equivalent of two resistors in parallel is equal to what is the resistance of the second one? A) R B) 2R E) 4R 2) Which one of the following sentences is correct about the velocity selector? A)...
answer all multiple choice please
1 12. A tiny spherical water drop has a charge of 3.00 X 10'15C. How many excess electrons are on the drop? b.2.25X10c. 1.6X 01 d. 1.87 X 10 13. A wire contains a steady eurrent of 0.75 A. The charge that passes a cross section in 3 s is: e. 3.35 C d, 225 С b, 6.4 x 10-1, С с.1.55 С a32x10", С 14. An electric field with a magnitude of 5 X...
e. 18 Test Your Knowledge MULTIPLE CHOICE: Choose the one best answer. 1. Each element has its own characteristic atom in which a. the atomic mass is constant. b. the atomic number is constant. c. the mass number is constant. d. Two of the above are correct. e. All of the above are correct. 2. Which of the following is not a trace element in the human body? a. iodine b. zinc c. iron d. calcium e. fluorine 3. A...
titration lab report
additional images of lab report
QUESTIONS 1. A student masse 0878 of an unknown acid follows the titration procedure required to reach the endpoint on a 10.0 ml Calculate the molar mass of the acid. masses out 0.878 of die in 100 ml volume and titration procedure of Partsherds th the average volume of Non to reach the endpoint on 100 ml aliquot of the acid solution is 18.3 m . 2. In the vinegar titrations (Part...
need ans for the following questions, the last 3 pages for more
info.
Questions:
more info:
expermint e/m avr=1.71033*10^11
7 2 points of the following options, which conditions for V or I produce the largest radius of the electron beam path r? Hint: Use e/m= 2V (5/4)*aP/(Nuo Ir) Maximum land Maximum V O Maximum land Minimum V Minimum I and Maximum V Minimum I and Minimum V 8 2 points By what factor will change if the radius of the...
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