Physics, 14.09.2019 11:30 katswindle11
Astudent aims a cork gun at a small dot on the wall. the wall is 10m from the students, and 8m above the level of the gun. the gun can launch corks with a speed of 12m/s. how high must the gun be aimed to hit the spot?
Answers: 1
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.
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Physics, 22.06.2019 12:30
Which governments provide garbage collection services to homes and businesses
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Physics, 22.06.2019 17:00
What equation is used to calculate the weight of an object on a plant ?
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Astudent aims a cork gun at a small dot on the wall. the wall is 10m from the students, and 8m above...
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