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Question 11, chap 3, sect 7. part 1 of 1 10 points Someone in a car...
Question 5, chap 3, sect . part 1 of 2 9 points An artillery shell is...
Question 5, chap 3, sect . part 1 of 2 9 points An artillery shell is fired at an angle of 27.4° above the horizontal ground with an initial speed of 1700 m/s. The acceleration of gravity is 9.8 m/s Find the total time of flight of the shell, neglecting air resistance Answer in units of min
Question 8, chap 2, sect 5. part 1 of 1 10 points Initially (at time t...
Question 8, chap 2, sect 5. part 1 of 1 10 points Initially (at time t = 0) a particle is moving vertically at 6.2 m/s and and horizontally at 0 m/s. The particle accelerates horizontally at 1.8 m/s The acceleration of gravity is 9.8 m/s2 . At what time will the particle be traveling at 52° with respect to the horizontal? Answer in units of s.
Question 3, chap 110, sect 2. part 1 of 3 10 points As a result of...
Question 3, chap 110, sect 2. part 1 of 3 10 points As a result of friction, the angular speed of a wheel changes with time according to dt-w0 exp (-ot) , where ao and ? are constants. The angular speed changes from an initial angular speed of 3.19 rad/s to 1.99 rad/s in 13.5 s Hint: Use this information to determine ? and wo Determine the magnitude of the angular acceleration after 1.86 s Answer in units of rad/s2....
Question 7, chap 11, sect 10. part of 10 points A merry-go-round rotates at the rate...
Question 7, chap 11, sect 10. part of 10 points A merry-go-round rotates at the rate of 0.11 rad/s with a(n) 85.3 kg man standing at a point 2.5 m from the axis of rotation. What is the new angular speed when the man walks to a point 0.71 m from the center? Assume that the merry-go-round is a solid 7.41 x 102 kg cylinder with a radius of 3.80 m. Answer in units of rad/s.
Question 17, chap 139, sect 7. part 1 of 1 10 points An alarm elock is...
Question 17, chap 139, sect 7. part 1 of 1 10 points An alarm elock is set to sound in 7 h. At t 0 the clock is placed in a spaceship moving with a speed of 0.81 c (relative to Earth). What distance, as determined by an Earth observer, does the spaceship travel before the alarm clock sounds? 1. 1.01033 x 1013 m 2. 1.04422 x 1013 m 3. 1.07693 x 1013 m 4. 1.11328 x 1013 m 5.1.152×...
answer number 11 Question 10, chap 135, sect 7. part 1 of 2 10 points The...
answer number 11
Question 10, chap 135, sect 7. part 1 of 2 10 points The index of refraction for violet light in silica flint glass is 1.65, and that for red light is 1.61. Deviation of yellow light Visible light Measure of dispersion Screen What is the angle of deviation for the red ray passing through a prism of apex angle 59.3° if the angle of incidence is 53.4°? Answer in units of Question 11, chap 135, sect 7....
Question 9, chap 136, sect 8 part 1 of 1 10 points A converging lens of...
Question 9, chap 136, sect 8 part 1 of 1 10 points A converging lens of focal length 0.222 m forms a virtual image of an object. The image appears to be 0.935 m from the lens on the same s ide as the object What is the distance between the obiect and the lens? Answer in units ofm Question 10, chap 136, sect 8. part 1 of 1 10 points A converging lens has a focal length of 41.9...
Question 19, chap 124, sect 7. part 1 of 4 10 points A solid sphere of...
Question 19, chap 124, sect 7. part 1 of 4 10 points A solid sphere of radius 29 cm has a to- tal positive charge of 28.3 /C uniformly dis- tributed throughout its volume. Calculate the magnitude of the electric field at the center of the sphere. Answer in units ofN/C uestion 20, chap 124, sect 7. part 2 of 410 points Calculate the magnitude of the electric field 7.25 cm from the center of the sphere Answer in units...
1. A car starts from rest and travels for 8.0 s with a uniform acceleration of...
1. A car starts from rest and travels for 8.0 s with a uniform acceleration of +1.8 m/s2. The driver then applies the brakes, causing a uniform acceleration of −1.5 m/s2. If the brakes are applied for 2.0 s, determine each of the following. (a) How fast is the car going at the end of the braking period? (m/s) (b) How far has the car gone? (m) 2. A ball is hit with a paddle, causing it to travel straight...
Question 12, chap 135, sect 7 part 1 of 1 10 points A beam of white...
Question 12, chap 135, sect 7 part 1 of 1 10 points A beam of white light is incident on a tri- angular glass prism with an index of refrac- tion of about 1.5 for visible light, producing
Question 5, chap 3, sect . part 1 of 2 9 points An artillery shell is fired at an angle of 27.4° above the horizontal ground with an initial speed of 1700 m/s. The acceleration of gravity is 9.8 m/s Find the total time of flight of the shell, neglecting air resistance Answer in units of min
Question 8, chap 2, sect 5. part 1 of 1 10 points Initially (at time t = 0) a particle is moving vertically at 6.2 m/s and and horizontally at 0 m/s. The particle accelerates horizontally at 1.8 m/s The acceleration of gravity is 9.8 m/s2 . At what time will the particle be traveling at 52° with respect to the horizontal? Answer in units of s.
Question 3, chap 110, sect 2. part 1 of 3 10 points As a result of friction, the angular speed of a wheel changes with time according to dt-w0 exp (-ot) , where ao and ? are constants. The angular speed changes from an initial angular speed of 3.19 rad/s to 1.99 rad/s in 13.5 s Hint: Use this information to determine ? and wo Determine the magnitude of the angular acceleration after 1.86 s Answer in units of rad/s2....
Question 7, chap 11, sect 10. part of 10 points A merry-go-round rotates at the rate of 0.11 rad/s with a(n) 85.3 kg man standing at a point 2.5 m from the axis of rotation. What is the new angular speed when the man walks to a point 0.71 m from the center? Assume that the merry-go-round is a solid 7.41 x 102 kg cylinder with a radius of 3.80 m. Answer in units of rad/s.
Question 17, chap 139, sect 7. part 1 of 1 10 points An alarm elock is set to sound in 7 h. At t 0 the clock is placed in a spaceship moving with a speed of 0.81 c (relative to Earth). What distance, as determined by an Earth observer, does the spaceship travel before the alarm clock sounds? 1. 1.01033 x 1013 m 2. 1.04422 x 1013 m 3. 1.07693 x 1013 m 4. 1.11328 x 1013 m 5.1.152×...
answer number 11
Question 10, chap 135, sect 7. part 1 of 2 10 points The index of refraction for violet light in silica flint glass is 1.65, and that for red light is 1.61. Deviation of yellow light Visible light Measure of dispersion Screen What is the angle of deviation for the red ray passing through a prism of apex angle 59.3° if the angle of incidence is 53.4°? Answer in units of Question 11, chap 135, sect 7....
Question 9, chap 136, sect 8 part 1 of 1 10 points A converging lens of focal length 0.222 m forms a virtual image of an object. The image appears to be 0.935 m from the lens on the same s ide as the object What is the distance between the obiect and the lens? Answer in units ofm Question 10, chap 136, sect 8. part 1 of 1 10 points A converging lens has a focal length of 41.9...
Question 19, chap 124, sect 7. part 1 of 4 10 points A solid sphere of radius 29 cm has a to- tal positive charge of 28.3 /C uniformly dis- tributed throughout its volume. Calculate the magnitude of the electric field at the center of the sphere. Answer in units ofN/C uestion 20, chap 124, sect 7. part 2 of 410 points Calculate the magnitude of the electric field 7.25 cm from the center of the sphere Answer in units...
Question 12, chap 135, sect 7 part 1 of 1 10 points A beam of white light is incident on a tri- angular glass prism with an index of refrac- tion of about 1.5 for visible light, producing
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