8. A dentist has a choice of three small mirrors, a convex, a concave and a plane one to
examin...
Physics, 05.05.2020 14:46, lillymt1023
8. A dentist has a choice of three small mirrors, a convex, a concave and a plane one to
examine the back of your teeth. State which one he should use to give the best view. Give
reasons for your choice.
Answers: 1
Physics, 22.06.2019 07:00, nanakwameyeb
Abucket full of water weights 4 kg and water well is 10m deep. a girl draws water from the well. it takes the girl 3 minutes to draw a bucket full of water from the well. what is the power of the girl?
Answers: 1
Physics, 22.06.2019 11:00, zhjzjzzj6325
Afisherman notices that his boat is moving up and down periodically without any horizontal motion, owing to waves on the surface of the water. it takes a time of 2.20 s for the boat to travel from its highest point to its lowest, a total distance of 0.670 m . the fisherman sees that the wave crests are spaced a horizontal distance of 5.80 m apart. (a) how much is the wavelength? (b) find the period of the wave. (c) how fast are the waves traveling? (d) what is the amplitude a of each wave?
Answers: 3
Mathematics, 27.02.2021 07:00
Mathematics, 27.02.2021 07:00
Biology, 27.02.2021 07:00
Chemistry, 27.02.2021 07:00
Mathematics, 27.02.2021 07:00
Mathematics, 27.02.2021 07:00