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...
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...
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 (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...
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...
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...
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