Homework Answers
Concept: here we use the concepts of vector mathematics,
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t (s) Figure 4-31 gives the angle 8 of the particle's direction of travel as a...
t (s) Figure 4-31 gives the angle 8 of the particle's direction of travel as a function of t (θ is measured from the positive x direction). What are (a) e and (b) f, including units? Figure 4-31 Problem 10 t Module 4-3 Average Acceleration and Instantaneous Acceleration 11 G The position of a particle moving in an xy plane is given by → = (2.00N-5.00)i + (6.00-7.00rjj , with r in meters and t in seconds. In unit-vector notation,...
A 35 km at 25° N of E B=15km at 10° E of N C 20...
A 35 km at 25° N of E B=15km at 10° E of N C 20 km at 43° S of E D 40 km at 28o S of W Draw Vector A. What is the magnitude of vector A? What is the direction of vector A? What is the x component of vector A B 15 km at 10° E of N D 40 km at 28° S of w A 35 km at 25° N of E C#...
x (m) 10- 4- B → t(s) 0 1 23 45 6 (1 point) 1.8 m/s...
x (m) 10- 4- B → t(s) 0 1 23 45 6 (1 point) 1.8 m/s 1.0 m/s 1.5 m/s 0.67 m/s 8. What is the instantaneous velocity at1 h? x(km) 수 50 40B 30 20 10- t (h) 0 2 4 68 10 O 3 km/h 0.2 km/h 15 km/h O 30 km/h 10. A person is walking briskly in a straight line. The figure shows a graph of the person's position (1 point) as a function of time...
Pleaseeee question 6,7,8,9 Pleaseeeee he bottom, as shown. If her speed at the bottom of the hill (point B) is 19 m/s, what is her speed at point A? a. 12 m/s b. 13 m/s c. 14 m/s 40 30 m d. 15 m/s...
Pleaseeee question 6,7,8,9 Pleaseeeee
he bottom, as shown. If her speed at the bottom of the hill (point B) is 19 m/s, what is her speed at point A? a. 12 m/s b. 13 m/s c. 14 m/s 40 30 m d. 15 m/s e16 m/s 7) A 12-cm diameter optical disk start from rest and reaches 5,500 RPM in 0.501 seconds. If the disk has a mass of 15.3 g, what is magnitude of torque applied by disk drive...
1) A steam ship is sailing along the Congo River at 10 mph and with a...
1) A steam ship is sailing along the Congo River at 10 mph and with a heading of N 90" E. The current of the river is flowing from east to west at 10 mph. Use vector addition to calculate the movement of the ship. a) [20,0] mph b) [10,0] mplh c) 10,0] mph d) [0,10] mph e) (o,20] mph 2) Two parallel vectors both have an azimuth of 36. One vector has a length of 8 cm, and the...
A. A+B-C O B. A-, B+C 0 C. A-B-C-0 D. A+B+C E. None of these equations...
A. A+B-C O B. A-, B+C 0 C. A-B-C-0 D. A+B+C E. None of these equations are correct. 22. The components of a vector A are Ax -10 units and Ay -6 units. What angle does this vector make with the positive x axis? A. 31° B. -31° C. 1809 -31° D. 1800 + 31° E. 900-319 23. A rescue airplane is diving at an angle of 379 below the horizontal with a speed of 250 m/s. It releases a...
8. The result of (jxk)x(kxt) is: A) 0 в) +1 C) t D) 1 9. If...
8. The result of (jxk)x(kxt) is: A) 0 в) +1 C) t D) 1 9. If Ιλ + i-A + B and neither λ nor vanish, then: A) A and li are parallel and in the same direction B) A and B are parallel and in opposite directions C) the angle between A and B is 45 D) the angle between A and B is 60 EA is perpendicular to ธิ Vector A has magnitude of 29 units and points...
8. The velocity of the ant at t = 10 s is: a. 50 cm/s b....
8. The velocity of the ant at t = 10 s is: a. 50 cm/s b. 0.4 cm/s c. 5.0 cm/s d. 6.0 cm/s The velocity v: (in m/s) of an object is given by the equation V; = 4t +3, where t is the time in seconds. Answer questions 9 and 10 based on this equation. 9. The displacement of the object between t 1 s and t = 2 sis: a. 5 m c. 9 m b. 7...
In the figure, a wire loop of dimensions L = 42.5 cm and W = 27.5...
In the figure, a wire loop of dimensions L = 42.5 cm and W = 27.5 cm lies in a magnetic field. What are the (a) magnitude and (b) direction (clockwise or counterclockwise-or "none" if E = 0) of the emf induced in the loop if B = (6.30 x 102 T/m)yk ? What are (c) and (d) the direction if B = (6.31 x 10-2 T/s)K? What are (e) and (f) the direction if 8 = (8.24 x 10-2...
t the Wackes in ersed from e with mantude of 15 The Black I haa t...
t the Wackes in ersed from e with mantude of 15 The Black I haa t he block 2 has mass and Neck has a mass Calculate c t of inte friction between black and a (A) 0.34 B) 0.45 (C) 0.87 (D) 0:54 0.99 14 The work of a given force has its maximum positive value when CA) The vector of displacement and force are at the same direction B) The vector of displacement and force are at the...
t (s) Figure 4-31 gives the angle 8 of the particle's direction of travel as a function of t (θ is measured from the positive x direction). What are (a) e and (b) f, including units? Figure 4-31 Problem 10 t Module 4-3 Average Acceleration and Instantaneous Acceleration 11 G The position of a particle moving in an xy plane is given by → = (2.00N-5.00)i + (6.00-7.00rjj , with r in meters and t in seconds. In unit-vector notation,...
A 35 km at 25° N of E B=15km at 10° E of N C 20 km at 43° S of E D 40 km at 28o S of W Draw Vector A. What is the magnitude of vector A? What is the direction of vector A? What is the x component of vector A B 15 km at 10° E of N D 40 km at 28° S of w A 35 km at 25° N of E C#...
x (m) 10- 4- B → t(s) 0 1 23 45 6 (1 point) 1.8 m/s 1.0 m/s 1.5 m/s 0.67 m/s 8. What is the instantaneous velocity at1 h? x(km) 수 50 40B 30 20 10- t (h) 0 2 4 68 10 O 3 km/h 0.2 km/h 15 km/h O 30 km/h 10. A person is walking briskly in a straight line. The figure shows a graph of the person's position (1 point) as a function of time...
Pleaseeee question 6,7,8,9 Pleaseeeee
he bottom, as shown. If her speed at the bottom of the hill (point B) is 19 m/s, what is her speed at point A? a. 12 m/s b. 13 m/s c. 14 m/s 40 30 m d. 15 m/s e16 m/s 7) A 12-cm diameter optical disk start from rest and reaches 5,500 RPM in 0.501 seconds. If the disk has a mass of 15.3 g, what is magnitude of torque applied by disk drive...
1) A steam ship is sailing along the Congo River at 10 mph and with a heading of N 90" E. The current of the river is flowing from east to west at 10 mph. Use vector addition to calculate the movement of the ship. a) [20,0] mph b) [10,0] mplh c) 10,0] mph d) [0,10] mph e) (o,20] mph 2) Two parallel vectors both have an azimuth of 36. One vector has a length of 8 cm, and the...
A. A+B-C O B. A-, B+C 0 C. A-B-C-0 D. A+B+C E. None of these equations are correct. 22. The components of a vector A are Ax -10 units and Ay -6 units. What angle does this vector make with the positive x axis? A. 31° B. -31° C. 1809 -31° D. 1800 + 31° E. 900-319 23. A rescue airplane is diving at an angle of 379 below the horizontal with a speed of 250 m/s. It releases a...
8. The result of (jxk)x(kxt) is: A) 0 в) +1 C) t D) 1 9. If Ιλ + i-A + B and neither λ nor vanish, then: A) A and li are parallel and in the same direction B) A and B are parallel and in opposite directions C) the angle between A and B is 45 D) the angle between A and B is 60 EA is perpendicular to ธิ Vector A has magnitude of 29 units and points...
8. The velocity of the ant at t = 10 s is: a. 50 cm/s b. 0.4 cm/s c. 5.0 cm/s d. 6.0 cm/s The velocity v: (in m/s) of an object is given by the equation V; = 4t +3, where t is the time in seconds. Answer questions 9 and 10 based on this equation. 9. The displacement of the object between t 1 s and t = 2 sis: a. 5 m c. 9 m b. 7...
In the figure, a wire loop of dimensions L = 42.5 cm and W = 27.5 cm lies in a magnetic field. What are the (a) magnitude and (b) direction (clockwise or counterclockwise-or "none" if E = 0) of the emf induced in the loop if B = (6.30 x 102 T/m)yk ? What are (c) and (d) the direction if B = (6.31 x 10-2 T/s)K? What are (e) and (f) the direction if 8 = (8.24 x 10-2...
t the Wackes in ersed from e with mantude of 15 The Black I haa t he block 2 has mass and Neck has a mass Calculate c t of inte friction between black and a (A) 0.34 B) 0.45 (C) 0.87 (D) 0:54 0.99 14 The work of a given force has its maximum positive value when CA) The vector of displacement and force are at the same direction B) The vector of displacement and force are at the...
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