Homework Answers
Answering part (b) since part (a) is already answered and is correct.
Considering static equilibrium, we can say that the total force along the horizontal axis will be zero. Hence we can write,
Substituting values we get,
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(6%) Problem 14: in the figure. A 73 kg man is being hauled away from a...
(8%) Problem 6: A 81 kg man is being pulled away from a burning building as...
(8%) Problem 6: A 81 kg man is being pulled away from a burning building as shown in the figure. Randomized Variables m = 81 kg 159 10 50% Part (a) Calculate the tension T, on the left side of the rope, in newtons, if the man is in static equilibrium. T1 = 726.6 X Attempts Remain > 50% Part (b) Calculate the tension T2 on the right side of the rope, in newtons, if the man is in static...
(10%) Problem 8: Consider the terminal voltage of a 3.00 V lithium cell in a digital...
(10%) Problem 8: Consider the terminal voltage of a 3.00 V lithium cell in a digital wristwatch that draws 18 mA. ► What is the terminal voltage, V, in volts, if the cell's internal resistance is 2.4 2 ? V= na HOME E sin() cos cotan asin atan) acotan cosh tanh( Degrees tan acos sinh() cotanh Radians 7 8 | 4 5 1 2 0 BACKSPACE 9 6 3 . END DEL CLEAR (10%) Problem 9: Consider an automobile battery...
(6%) Problem 13: A 48 105-kg rocket is accelerating straight up. Its engines produce 1.15 107...
(6%) Problem 13: A 48 105-kg rocket is accelerating straight up. Its engines produce 1.15 107 N of thrust, and air resistance is 4.7 106 N. Randomized Variables m 4.8 105-kg f=1.15. 107 N fr=4.7 106 N What is the rocket's acceleration, using a coordinate system where up is positive? Grade Summ a 13.8 Deductions Potential Submissions tan 7 8 sin0 cos0 HOME Attempts rema (0% per attemg detailed view asin) acos) 4 6 cotan) sinh) 2 3 atan) acotan)...
Please show all work !! (10%) Problem 9: A point charge Q-4.6 nC is located at...
Please show all work !!
(10%) Problem 9: A point charge Q-4.6 nC is located at the origin. A cylinder of radius R- 0.55 m is concentric with the z-axis with the top of the cylinder at height H1- 0.45 m above the origin and the bottom of the cylinder at height H2045 m below the origin. Refer to the figure. The y-axis points into the screen Z-axis X-axis Otheexpertta.com 20% Part (a) Calculate the electric flux passing out through...
(5%) Problem 22: In the figure, the point charges are equilateral triangle 28 cm on a...
(5%) Problem 22: In the figure, the point charges are equilateral triangle 28 cm on a side. located at the coners of an qa Ogc Oc theespertfa.com 50% Part (a) Find the magnitude of the electric field, that qa 2.9 nC, qb-5.7 nC, and qe- 1.1 nC. triangular configuration of charges, given newtons per coulomb, at the center of Grade Summary 15% El 1963 Deductions Potential 859% sin() cos() tan() 7 9 HOME Submissions Attempts remaining (Se per attempt) cotan)...
(17%) Problem 6: A 65-kg skydiver jumps out of an airplane and falls 490 m, reaching...
(17%) Problem 6: A 65-kg skydiver jumps out of an airplane and falls 490 m, reaching a maximum speed of 59 m/s before opening her parachute. Randomized Variables m= 65 kg h= 490 m v=59 m/s 50% Part (a) How much work, in joules, did air resistance do on the skydiver before she opened her parachute? Grade Summary Deductions 0% Potential 100% ( | E sin() cos() tan() cotan asin() acos atan) acotan sinh) cosh tanh cotanh Degrees O Radians...
(20%) Problem 3: A 1.25-kg mass oscillates according to the equation x(t)=0.51 cos(13.5t), where the position...
(20%) Problem 3: A 1.25-kg mass oscillates according to the equation x(t)=0.51 cos(13.5t), where the position x(t) is measured in meters. A 25% Part (a) What is the period, in seconds, of this mass? T=1 ( HOME sin cos tan cotan() asin() acos atan() acotan) sinh) cosh tanh() cotanh Degrees Radians JT 7 8 9 E M 4 5 6 2 3 0 VO BACKSPACE 1 + END . CLEAR Submit Hint Feedback I give up! Hints: 0% deduction per...
(6%) Problem 14: A football player punts the ball from the ground at a 45.0° angle...
(6%) Problem 14: A football player punts the ball from the ground at a 45.0° angle above the horizontal. Without an effect from the wind, the ball would travel 63 m before falling back to the ground. 50% Part (a) What is the initial speed of the ball in m/s? Vo = 24.85 ✓ Correct! D 5 0% Part (b) When the ball is near its maximum height it experiences a brief gust of wind that reduces its horizontal velocity...
a-d 1:39:00 PM (9%) Problem 11: The length of nylon rope from which a mountain climber...
a-d
1:39:00 PM (9%) Problem 11: The length of nylon rope from which a mountain climber is suspended has a force constant of 1.7 x 10 N/m. 25% Part (a) What is the frequency, in Hz, at which he bounces, given his mass and the mass of his equipment is 94 kg? Grade Summary 0% 100% f= Deductions Potential cos0 7 sin) tan) 8 9 Sabmissions Attempts remaining: 50 (0% per attempt) सed wiew HOMD E A asin) acos 4...
A-C needed (5%) Problem 5: Consider a cylindrical cable with a hanging weight suspended from it....
A-C needed
(5%) Problem 5: Consider a cylindrical cable with a hanging weight suspended from it. 33% Part (a) When the mass is removed, the length the cable is found to be lo- 4.66 m. After the mass is added, the length is remeasured and found to be l,-5.29 m. Determine Young's Modulus Y in N/m for the steel cable if the weight has a mass m 75 kg and the cable has a radius r 0.025 m. Grade Summary...
(8%) Problem 6: A 81 kg man is being pulled away from a burning building as shown in the figure. Randomized Variables m = 81 kg 159 10 50% Part (a) Calculate the tension T, on the left side of the rope, in newtons, if the man is in static equilibrium. T1 = 726.6 X Attempts Remain > 50% Part (b) Calculate the tension T2 on the right side of the rope, in newtons, if the man is in static...
(10%) Problem 8: Consider the terminal voltage of a 3.00 V lithium cell in a digital wristwatch that draws 18 mA. ► What is the terminal voltage, V, in volts, if the cell's internal resistance is 2.4 2 ? V= na HOME E sin() cos cotan asin atan) acotan cosh tanh( Degrees tan acos sinh() cotanh Radians 7 8 | 4 5 1 2 0 BACKSPACE 9 6 3 . END DEL CLEAR (10%) Problem 9: Consider an automobile battery...
(6%) Problem 13: A 48 105-kg rocket is accelerating straight up. Its engines produce 1.15 107 N of thrust, and air resistance is 4.7 106 N. Randomized Variables m 4.8 105-kg f=1.15. 107 N fr=4.7 106 N What is the rocket's acceleration, using a coordinate system where up is positive? Grade Summ a 13.8 Deductions Potential Submissions tan 7 8 sin0 cos0 HOME Attempts rema (0% per attemg detailed view asin) acos) 4 6 cotan) sinh) 2 3 atan) acotan)...
Please show all work !!
(10%) Problem 9: A point charge Q-4.6 nC is located at the origin. A cylinder of radius R- 0.55 m is concentric with the z-axis with the top of the cylinder at height H1- 0.45 m above the origin and the bottom of the cylinder at height H2045 m below the origin. Refer to the figure. The y-axis points into the screen Z-axis X-axis Otheexpertta.com 20% Part (a) Calculate the electric flux passing out through...
(5%) Problem 22: In the figure, the point charges are equilateral triangle 28 cm on a side. located at the coners of an qa Ogc Oc theespertfa.com 50% Part (a) Find the magnitude of the electric field, that qa 2.9 nC, qb-5.7 nC, and qe- 1.1 nC. triangular configuration of charges, given newtons per coulomb, at the center of Grade Summary 15% El 1963 Deductions Potential 859% sin() cos() tan() 7 9 HOME Submissions Attempts remaining (Se per attempt) cotan)...
(17%) Problem 6: A 65-kg skydiver jumps out of an airplane and falls 490 m, reaching a maximum speed of 59 m/s before opening her parachute. Randomized Variables m= 65 kg h= 490 m v=59 m/s 50% Part (a) How much work, in joules, did air resistance do on the skydiver before she opened her parachute? Grade Summary Deductions 0% Potential 100% ( | E sin() cos() tan() cotan asin() acos atan) acotan sinh) cosh tanh cotanh Degrees O Radians...
(20%) Problem 3: A 1.25-kg mass oscillates according to the equation x(t)=0.51 cos(13.5t), where the position x(t) is measured in meters. A 25% Part (a) What is the period, in seconds, of this mass? T=1 ( HOME sin cos tan cotan() asin() acos atan() acotan) sinh) cosh tanh() cotanh Degrees Radians JT 7 8 9 E M 4 5 6 2 3 0 VO BACKSPACE 1 + END . CLEAR Submit Hint Feedback I give up! Hints: 0% deduction per...
(6%) Problem 14: A football player punts the ball from the ground at a 45.0° angle above the horizontal. Without an effect from the wind, the ball would travel 63 m before falling back to the ground. 50% Part (a) What is the initial speed of the ball in m/s? Vo = 24.85 ✓ Correct! D 5 0% Part (b) When the ball is near its maximum height it experiences a brief gust of wind that reduces its horizontal velocity...
a-d
1:39:00 PM (9%) Problem 11: The length of nylon rope from which a mountain climber is suspended has a force constant of 1.7 x 10 N/m. 25% Part (a) What is the frequency, in Hz, at which he bounces, given his mass and the mass of his equipment is 94 kg? Grade Summary 0% 100% f= Deductions Potential cos0 7 sin) tan) 8 9 Sabmissions Attempts remaining: 50 (0% per attempt) सed wiew HOMD E A asin) acos 4...
A-C needed
(5%) Problem 5: Consider a cylindrical cable with a hanging weight suspended from it. 33% Part (a) When the mass is removed, the length the cable is found to be lo- 4.66 m. After the mass is added, the length is remeasured and found to be l,-5.29 m. Determine Young's Modulus Y in N/m for the steel cable if the weight has a mass m 75 kg and the cable has a radius r 0.025 m. Grade Summary...
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