Physics, 29.06.2019 16:00, rileymorrison8825
An object is placed in front of a convex mirror with radius of curvature = 17 cm. the object's height is 4.3 cm and it is initially 24 cm in front of the mirror. find the (a) location and (b) height of the image. next the object moves closer to the mirror, so the object distance is 3.0 cm. again, find the (c) location and (d) height of the image. (e) what is the ratio of the image height when the object distance is 3.0 cm to that when the object distance is 24 cm?
Answers: 2
Physics, 21.06.2019 22:30, ceceshelby646
Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.
Answers: 1
Physics, 22.06.2019 14:30, sross8799
Suppose that 27 j of work is needed to stretch a spring from its natural length of 6 m to a length of 9 m. (a) how much work is needed to stretch the spring from 12 m to 14 m? j (b) how far beyond its natural length will a force of 78 n keep the spring stretched?
Answers: 2
An object is placed in front of a convex mirror with radius of curvature = 17 cm. the object's heigh...
Mathematics, 09.04.2020 05:04
Mathematics, 09.04.2020 05:04
Mathematics, 09.04.2020 05:04
Business, 09.04.2020 05:04
Biology, 09.04.2020 05:04