Answers: 3
Physics, 21.06.2019 23:00
Follow these directions and answer the questions. 1. set up the ripple tank as in previous investigations. 2. bend the rubber tube to form a "concave mirror" and place in the ripple tank. the water level must be below the top of the hose. 3. generate a few straight pulses with the dowel and observe the reflected waves. do the waves focus (come together) upon reflection? can you locate the place where the waves meet? 4. touch the water surface where the waves converged. what happens to the reflected wave? 5. move your finger twice that distance from the hose (2f = c of c, center of the curvature) and touch the water again. does the image (the reflected wave) appear in the same location (c of c)? you may have to experiment before you find the exact location. sometimes it is hard to visualize with the ripple tank because the waves move so quickly. likewise, it is impossible to "see" light waves because they have such small wavelengths and move at the speed of light. however, both are examples of transverse waves and behave in the same way when a parallel wave fronts hit a curved surface.
Answers: 1
Physics, 22.06.2019 13:50
Observations show that interstellar clouds can have almost any shape and
Answers: 1
Physics, 22.06.2019 16:30
He latent heat of vaporization for ethyl alcohol is 854 j/g. the amount of energy, rounded to the nearest whole number, needed to change 5.20 grams of ethyl alcohol from a liquid to a gas is
Answers: 2
Physics, 22.06.2019 19:50
Ahuge (essentially infinite) horizontal nonconducting sheet 10.0 cm thick has charge uniformly spread over both faces. the upper face carries +95.0 nc/m2 while the lower face carries -25.0 nc/ m2. what is the magnitude of the electric field at a point within the sheet 2.00 cm below the upper face? (ε0 = 8.85 × 10-12 c2/n · m2)
Answers: 1
A student pushes a 0.2 kg box against a spring causing the spring to compress 0.15 m. When the sprin...
Mathematics, 05.03.2021 21:50
History, 05.03.2021 21:50
Mathematics, 05.03.2021 21:50
Mathematics, 05.03.2021 21:50
Chemistry, 05.03.2021 21:50
Mathematics, 05.03.2021 21:50
Geography, 05.03.2021 21:50
Social Studies, 05.03.2021 21:50
Mathematics, 05.03.2021 21:50
Mathematics, 05.03.2021 21:50
English, 05.03.2021 21:50
Biology, 05.03.2021 21:50
Advanced Placement (AP), 05.03.2021 21:50