Homework Answers
Add Answer to:
(20%) Problem 2: A flashlight is held at the edge of a swimming pool at a...
A flashlight is held at the edge of a swimming pool at a height h = 2.4 m such that its beam makes an angle of θ = 41 degrees with respect to the water's surface
A flashlight is held at the edge of a swimming pool at a height h = 2.4 m such that its beam makes an angle of θ = 41 degrees with respect to the water's surface. The pool is d = 2.25 m deep and the index of refraction for air and water are n1 = 1 and n2 = 1.33, respectively.what is the horizontal distance, D, from the edge of the pool to the point on the bottom of...
(20%) Problem 3:A52+ 10-kg rocket is accelerating straight up. Its engines produce 1.05-107 N of thrust,...
(20%) Problem 3:A52+ 10-kg rocket is accelerating straight up. Its engines produce 1.05-107 N of thrust, and air resistance is 4.4 106 N Randomized Variables m-52.105-kg f=1.05 . 107 N fr = 4.4.106 N ← What is the rocket's acceleration, using a coordinate system where up is positive? Grade Summary Potential Submissions a= 8.461 3% 97% cos0 cotan0 asin) acos0 atan)acotan) sinhO sin 78 9 HOME Attempts remaining: 9 % per attempt) detailed view 3% cotanhO 0 END Degrees Radians...
A flashlight is held at the edge of a swimming pool at a height h = 2.2 m
A flashlight is held at the edge of a swimming pool at a height h = 2.2 m such that its beam makes an angle of θ = 58 degrees with respect to the water's surface. The pool is d = 1.5 m deep and the index of refraction for air and water are n1=1 and n2 = 1.33, respectively. What is the horizontal distance D, from the edge of the pool to the port on the bottom of the pool...
(10%) Problem 1: A 0475-kg mass suspended from a spring undergoes simple harmonic oscillations with a...
(10%) Problem 1: A 0475-kg mass suspended from a spring undergoes simple harmonic oscillations with a period of 1.7 s. How much mass, in kilograms, must be added to the object to change the period to 2.05 s? tan() |π|( acos0 sin0 cos0 cotan 1 2 3 0 atan0 acotansinhO coshO tanh0 cotanhO O Degrees O Radians END Submit Hint I give up! Hints: 1% deduction per hint. Hints remaining Feedback:--deduction per feedback.
I (6%) Proble n S: A combination of series and parallel connections of capacitors is depicted...
I (6%) Proble n S: A combination of series and parallel connections of capacitors is depicted in the figure. Randomized Variables C1- 18 HF ーC C3 1.85 puF C3 Otheexpertta. ed& Find the total capacitance of the combination of capacitors, in microfarads. eted eted Grade Summary Potential sin0 cotan asin acos0 atan0 acotan sinh0 coshO tanh cotanho coso I tano lzl (巨171819 4 5 6 Submissions Attempts remainin (4% per attempt) detailed view Degrees Radians Submit Hint I give up...
(20%) Problem 3: Consider a helium balloon with volume 2.25 L. 50% Part (a) Calculate the...
(20%) Problem 3: Consider a helium balloon with volume 2.25 L. 50% Part (a) Calculate the buoyant force on the balloon, in newtons. Use 1.29 kg/m3 for the density of air. Ps Grade Summary Deductions 0% Potential 100% sin0 cos0 ano 789 cotan0asin)acos0 atan acotan) sinh0 cosho tanh cotanhO+ Submissions Attempts remaining: S (S& per attemp detailed view Degrees Radians Submit Hint I give up! Hints: 1% deduction per hint. Hiets remaining Feedback: 0% deduction per feedback 50% Part (b)...
(25%) Problem 4: You place your ear onto a steel railroad track and hear the sound...
(25%) Problem 4: You place your ear onto a steel railroad track and hear the sound of a distant train through the rails Δ 4.1 seconds before you do through the air. The speed of sound in steel is vs 6100 m/s, and and the air temperature is 12.5° C Find the distance, D, to the train in meters Po cos0 cotan) asin) Su Ar sin acos) de atan)acotan)sinh( coshO tanhO cotanhO 0 END Degrees -Radians BACKSPACE DELCLEAR Submit Hint...
(10%) Problem 3: You can determine the index of refraction of a substance by determining its...
(10%) Problem 3: You can determine the index of refraction of a substance by determining its critical angle. For the following questions, let the index of refraction of air be 1.00 and water be 1.333 Δ 50% Part (a) What is the index of refraction of a substance that has a critical angle of 35.7" when submerged in water? Grade Summary Deductions Potential 0% 100% cance notext Submissions os0 cotan0 asin) acos0 atan)acotan) sinhO coshO tanhO cotanhO Degrees O Radians...
(10%) Problem 8: Three children are riding on the edge of a merry-go-round that is a...
(10%) Problem 8: Three children are riding on the edge of a merry-go-round that is a disk of mass 98 kg, radius 1.9 m, and is spinning at 16 rpm. The children have masses of 204 kg, 28.4 kg, and 342 kg Randomized Variables M = 98 kg mi -204 kg m2 = 28.4 kg m3 34.2 k r=1.9 m f= 16 rpm CIf the child who has a mass of 28.4 kg moves to the center of the merry-go-round,...
Problem 4: Consider the internal refilection of light at the interface between water Medium n MediumI...
Problem 4: Consider the internal refilection of light at the interface between water Medium n MediumI and ice Gasses at 0°C, 1 atm Air Carbon dioxide 100045 Fluorite Hydrogen Oxygen Solids at 20 C 2.419 1.434 1.52 1.66 1.309 1.000293 Diamond 1.000139 Glass, crown 1.000271 Glass, flint Liquids at 20 C Benzene Ice at 0°C Polystyrene 1.501 Carbon disulfide .628Sodium chloride 1.544 Carbon tetrachloride 1.461 Quartz, crystalline 1.544 Ethanol Water, fresh 1.361 Quartz, fused 1.458 1.333 1.473 Zircon 1.923 Glycerine...
(20%) Problem 3:A52+ 10-kg rocket is accelerating straight up. Its engines produce 1.05-107 N of thrust, and air resistance is 4.4 106 N Randomized Variables m-52.105-kg f=1.05 . 107 N fr = 4.4.106 N ← What is the rocket's acceleration, using a coordinate system where up is positive? Grade Summary Potential Submissions a= 8.461 3% 97% cos0 cotan0 asin) acos0 atan)acotan) sinhO sin 78 9 HOME Attempts remaining: 9 % per attempt) detailed view 3% cotanhO 0 END Degrees Radians...
(10%) Problem 1: A 0475-kg mass suspended from a spring undergoes simple harmonic oscillations with a period of 1.7 s. How much mass, in kilograms, must be added to the object to change the period to 2.05 s? tan() |π|( acos0 sin0 cos0 cotan 1 2 3 0 atan0 acotansinhO coshO tanh0 cotanhO O Degrees O Radians END Submit Hint I give up! Hints: 1% deduction per hint. Hints remaining Feedback:--deduction per feedback.
I (6%) Proble n S: A combination of series and parallel connections of capacitors is depicted in the figure. Randomized Variables C1- 18 HF ーC C3 1.85 puF C3 Otheexpertta. ed& Find the total capacitance of the combination of capacitors, in microfarads. eted eted Grade Summary Potential sin0 cotan asin acos0 atan0 acotan sinh0 coshO tanh cotanho coso I tano lzl (巨171819 4 5 6 Submissions Attempts remainin (4% per attempt) detailed view Degrees Radians Submit Hint I give up...
(20%) Problem 3: Consider a helium balloon with volume 2.25 L. 50% Part (a) Calculate the buoyant force on the balloon, in newtons. Use 1.29 kg/m3 for the density of air. Ps Grade Summary Deductions 0% Potential 100% sin0 cos0 ano 789 cotan0asin)acos0 atan acotan) sinh0 cosho tanh cotanhO+ Submissions Attempts remaining: S (S& per attemp detailed view Degrees Radians Submit Hint I give up! Hints: 1% deduction per hint. Hiets remaining Feedback: 0% deduction per feedback 50% Part (b)...
(25%) Problem 4: You place your ear onto a steel railroad track and hear the sound of a distant train through the rails Δ 4.1 seconds before you do through the air. The speed of sound in steel is vs 6100 m/s, and and the air temperature is 12.5° C Find the distance, D, to the train in meters Po cos0 cotan) asin) Su Ar sin acos) de atan)acotan)sinh( coshO tanhO cotanhO 0 END Degrees -Radians BACKSPACE DELCLEAR Submit Hint...
(10%) Problem 3: You can determine the index of refraction of a substance by determining its critical angle. For the following questions, let the index of refraction of air be 1.00 and water be 1.333 Δ 50% Part (a) What is the index of refraction of a substance that has a critical angle of 35.7" when submerged in water? Grade Summary Deductions Potential 0% 100% cance notext Submissions os0 cotan0 asin) acos0 atan)acotan) sinhO coshO tanhO cotanhO Degrees O Radians...
(10%) Problem 8: Three children are riding on the edge of a merry-go-round that is a disk of mass 98 kg, radius 1.9 m, and is spinning at 16 rpm. The children have masses of 204 kg, 28.4 kg, and 342 kg Randomized Variables M = 98 kg mi -204 kg m2 = 28.4 kg m3 34.2 k r=1.9 m f= 16 rpm CIf the child who has a mass of 28.4 kg moves to the center of the merry-go-round,...
Problem 4: Consider the internal refilection of light at the interface between water Medium n MediumI and ice Gasses at 0°C, 1 atm Air Carbon dioxide 100045 Fluorite Hydrogen Oxygen Solids at 20 C 2.419 1.434 1.52 1.66 1.309 1.000293 Diamond 1.000139 Glass, crown 1.000271 Glass, flint Liquids at 20 C Benzene Ice at 0°C Polystyrene 1.501 Carbon disulfide .628Sodium chloride 1.544 Carbon tetrachloride 1.461 Quartz, crystalline 1.544 Ethanol Water, fresh 1.361 Quartz, fused 1.458 1.333 1.473 Zircon 1.923 Glycerine...
Most questions answered within 3 hours.
-
A
752 mL sample of water was placed in a 1000 gram pan of aluminum.
The...
asked 1 minute from now -
1 point) Given the significance level α=0.01 find the following:
(a) left-tailed z value z= (b)...
asked 5 seconds ago -
Calculate the expected value, the variance, and the standard
deviation of the given random variable X....
asked 1 minute ago -
Assume that in a hydrogen atom, the electron circles the nucleus
in a circle of radius...
asked 6 minutes ago -
Describe two obstacles that makes fixing atmospheric nitrogen
difficult.
asked 11 minutes ago -
T
F 53) Most differences
between human groups are the result of biology rather than
culture....
asked 15 minutes ago -
A 5.20 mW helium neon laser emits a visible laser beam with a
wavelength of 633...
asked 18 minutes ago -
Assignment:
Your
organization has made a strategic decision
to
outsourcework
currently performed in house. You have...
asked 17 minutes ago -
A hospital performs 100 surgeries per week. The probability that
complications after surgery occur is 10%....
asked 18 minutes ago -
In preparing its cash flow statement for the year ended December
31, 2018, Green Co. gathered...
asked 19 minutes ago -
Donna is 18 years old and full time accounting student.She is
saving for an overseas holiday...
asked 20 minutes ago -
Service-oriented architectures (SOA) provide
object-oriented architectures for web platforms that represent a
collection of services. SOA...
asked 20 minutes ago