Physics, 02.10.2020 15:01 jessicascott120305
1) A ray of light that strikes a plane mirror PQ at an
angle of incidence of 30°, is reflected from the plane
mirror and then strikes a second plane mirror QR
placed at 110° angles to the first mirror. The angle of
reflection at the second mirror is:
(a) 30°
(b) 45°
(c) 50°
(d) 900
Answers: 1
Physics, 22.06.2019 05:30
Iwill give 30 points to whoever answers ! what is the formula for actual mechanical advantage and ideal mechanical advantage?
Answers: 1
Physics, 22.06.2019 07:10
Polly is pushing a box across the floor with a force of 30 n. the force of gravity is –8 n, and the normal force is 8 n. which value could describe the force of friction if polly could not move the box?
Answers: 2
1) A ray of light that strikes a plane mirror PQ at an
angle of incidence of 30°, is reflected from...
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