Homework Answers
First we will find x and y component of velocity and then friend the relative velocity .
Calculation is as shown below.
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Course ContentsPrublem Set 3TNotesEvaluae Feedback Print Print I Two soccer players, Mary and Jane, begin running...
Two soccer players, Mary and Jane, begin running from nearly the same point at the same...
Two soccer players, Mary and Jane, begin running from nearly the same point at the same time. Mary runs in an easterly direction at 4.03 m/s, while Jane takes off in a direction 61.5° north of east at 5.93 m/s. How long is it before they are 26.7 m apart? Submit Answer ) Tries 0/8 What is the velocity of Jane relative to Mary? Enter first the X-component and then the y-component. Submit Answer) Tries 0/8 How far apart are...
Course Contents »> > Problem Set 3Timer Notes Evaluate Feedback Print Info particle leaves the origin...
Course Contents »> > Problem Set 3Timer Notes Evaluate Feedback Print Info particle leaves the origin with an initial velocity of 5.00 m/s in the x direction, and moves with constant acceleration a -2.00 m/s and ay 2.70 m/s2. How far does the particle move in the x direction before turning around? Submit Answer Tries O/8 What is the particle's velocity at this time? Enter the x component first, followed by the y component. Submit Answer Tries 0/8
Course Contents Prol Print emas 1 » 18.26 Louiomb U Notes Evaluate Feedback Two point charges...
Course Contents Prol Print emas 1 » 18.26 Louiomb U Notes Evaluate Feedback Two point charges Q1 and Q2 are 1.90 m apart, and their total charge is 19.2 PC. If the force of repulsion between them is 0.214 N, what are magnitudes of the two charges? Enter the smaller charge in the first box. Q1 = 12.10uc Q2 = 7.100C Submit Answer Incorrect. Tries 3/5 Previous Tries If one charge attracts the other with a force of 0.163N, what...
Main Menu Contents Grades Syllabus [ Course Contents » ... » Problem Set 5 » (8)...
Main Menu Contents Grades Syllabus [ Course Contents » ... » Problem Set 5 » (8) Central Fringe Width • Timer Notes Evaluate Feedback Print Info A two-slit pattern is viewed on a screen 1.06 m from the slits. If the two fifth-order maxima are 66.0 cm apart, what is the total width of the central bright fringe? 0.112m Submit Answer Incorrect. Tries 3/8 Previous Tries e Post Discussion Send Feedback
• Timer Notes Evaluate Feedback Print Course Contents >> Online Lectures ... >> Chapter 22 ......
• Timer Notes Evaluate Feedback Print Course Contents >> Online Lectures ... >> Chapter 22 ... » Bonus Question : Diffraction Grating ... Which one of the following actions would make the maxima in the interference pattern from a grating move further apart? O Decreasing the wavelength of the laser. O Decreasing the number of lines per length. O Increasing the distance to the screen. O Decreasing the distance to the screen. Submit Answer Tries 0/2 This discussion is closed....
Int Feedback Print Evaluate Notes Timer Course Due in 35 minutes Skater Collision One ice skater...
Int Feedback Print Evaluate Notes Timer Course Due in 35 minutes Skater Collision One ice skater (mass 70 kg) moves at a velocity of -)-() т Vix Vly when she collides with another ice skater (mass 95 kg) who moves at a velocity of (() V2x т V2y S After the collision, she finds herself moving with -)-(i2) 3 V3x т V3y Neglecting friction, what is the y-component of the velocity of the other skater? Submit Answer Tries 0/7 Post...
Course Contents ..» HW Week 04 - due Evaluate Feedback Timer Notes Info Print Child Slide on Due in 4 hours, 9 minu...
Course Contents ..» HW Week 04 - due Evaluate Feedback Timer Notes Info Print Child Slide on Due in 4 hours, 9 minutes A 21.2 kg child slides down a long slide in a playground. She starts from rest at a height h1 of 26.9 m. When she is partway down the slide, at a height h2 of 14.3 m, she is moving at a speed of 5.00 m/s. Calculate the mechanical energy lost due to friction (as heat, etc...)...
(-) Timer □ Notes Evaluate Ep Feedback 습 Print įeinfo Course Contents. Online Lectures » Lecture...
(-) Timer □ Notes Evaluate Ep Feedback 습 Print įeinfo Course Contents. Online Lectures » Lecture # 4 : Force » Bonus Question: whirl around A small obiect with a mass of m -781 g is whirled at the end of a rope in a vertical circle with a radius of r- 158 cm r i When the object is at the location shown mid-height -, its speed is v 4.22 m/s. Determine the tension in the rope. (in N)...
Course Contents ... Exam3 Due in: od 00:29:46 Timer Notes Evaluate Feedback Print Info A thin...
Course Contents ... Exam3 Due in: od 00:29:46 Timer Notes Evaluate Feedback Print Info A thin 1-m-long uniform rod with a total mass of 750 g is suspended vertically at the upper end. The moment of inertia of the rod in respect to the center of mass is ml-/12 (where L is the total length of the rod). A 9-9 bullet is shot to the lower end of the rod and embeds there. The bullet speed before impact is 580...
Course Contents» Set 02 (01/29 Tu 10 PM) Earth's rotation TimerNotesvaluate Feedback Print It takes 23...
Course Contents» Set 02 (01/29 Tu 10 PM) Earth's rotation TimerNotesvaluate Feedback Print It takes 23 hours 56 minutes and 4 seconds for the earth to make one revolution (mean sidereal day). What is the angular speed of the earth? 7.29x10 rad/s You are correct. Your receipt no. is 155-6866:① Previous Tries Assume the earth is spherical. Relative to someone on the rotation axis, what is the linear speed of an object on the surface if the radius vector from...
Two soccer players, Mary and Jane, begin running from nearly the same point at the same time. Mary runs in an easterly direction at 4.03 m/s, while Jane takes off in a direction 61.5° north of east at 5.93 m/s. How long is it before they are 26.7 m apart? Submit Answer ) Tries 0/8 What is the velocity of Jane relative to Mary? Enter first the X-component and then the y-component. Submit Answer) Tries 0/8 How far apart are...
Course Contents »> > Problem Set 3Timer Notes Evaluate Feedback Print Info particle leaves the origin with an initial velocity of 5.00 m/s in the x direction, and moves with constant acceleration a -2.00 m/s and ay 2.70 m/s2. How far does the particle move in the x direction before turning around? Submit Answer Tries O/8 What is the particle's velocity at this time? Enter the x component first, followed by the y component. Submit Answer Tries 0/8
Course Contents Prol Print emas 1 » 18.26 Louiomb U Notes Evaluate Feedback Two point charges Q1 and Q2 are 1.90 m apart, and their total charge is 19.2 PC. If the force of repulsion between them is 0.214 N, what are magnitudes of the two charges? Enter the smaller charge in the first box. Q1 = 12.10uc Q2 = 7.100C Submit Answer Incorrect. Tries 3/5 Previous Tries If one charge attracts the other with a force of 0.163N, what...
Main Menu Contents Grades Syllabus [ Course Contents » ... » Problem Set 5 » (8) Central Fringe Width • Timer Notes Evaluate Feedback Print Info A two-slit pattern is viewed on a screen 1.06 m from the slits. If the two fifth-order maxima are 66.0 cm apart, what is the total width of the central bright fringe? 0.112m Submit Answer Incorrect. Tries 3/8 Previous Tries e Post Discussion Send Feedback
• Timer Notes Evaluate Feedback Print Course Contents >> Online Lectures ... >> Chapter 22 ... » Bonus Question : Diffraction Grating ... Which one of the following actions would make the maxima in the interference pattern from a grating move further apart? O Decreasing the wavelength of the laser. O Decreasing the number of lines per length. O Increasing the distance to the screen. O Decreasing the distance to the screen. Submit Answer Tries 0/2 This discussion is closed....
Int Feedback Print Evaluate Notes Timer Course Due in 35 minutes Skater Collision One ice skater (mass 70 kg) moves at a velocity of -)-() т Vix Vly when she collides with another ice skater (mass 95 kg) who moves at a velocity of (() V2x т V2y S After the collision, she finds herself moving with -)-(i2) 3 V3x т V3y Neglecting friction, what is the y-component of the velocity of the other skater? Submit Answer Tries 0/7 Post...
Course Contents ..» HW Week 04 - due Evaluate Feedback Timer Notes Info Print Child Slide on Due in 4 hours, 9 minutes A 21.2 kg child slides down a long slide in a playground. She starts from rest at a height h1 of 26.9 m. When she is partway down the slide, at a height h2 of 14.3 m, she is moving at a speed of 5.00 m/s. Calculate the mechanical energy lost due to friction (as heat, etc...)...
(-) Timer □ Notes Evaluate Ep Feedback 습 Print įeinfo Course Contents. Online Lectures » Lecture # 4 : Force » Bonus Question: whirl around A small obiect with a mass of m -781 g is whirled at the end of a rope in a vertical circle with a radius of r- 158 cm r i When the object is at the location shown mid-height -, its speed is v 4.22 m/s. Determine the tension in the rope. (in N)...
Course Contents ... Exam3 Due in: od 00:29:46 Timer Notes Evaluate Feedback Print Info A thin 1-m-long uniform rod with a total mass of 750 g is suspended vertically at the upper end. The moment of inertia of the rod in respect to the center of mass is ml-/12 (where L is the total length of the rod). A 9-9 bullet is shot to the lower end of the rod and embeds there. The bullet speed before impact is 580...
Course Contents» Set 02 (01/29 Tu 10 PM) Earth's rotation TimerNotesvaluate Feedback Print It takes 23 hours 56 minutes and 4 seconds for the earth to make one revolution (mean sidereal day). What is the angular speed of the earth? 7.29x10 rad/s You are correct. Your receipt no. is 155-6866:① Previous Tries Assume the earth is spherical. Relative to someone on the rotation axis, what is the linear speed of an object on the surface if the radius vector from...
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