Physics, 04.12.2020 08:50 grayammip095l9
POSSIBLE POINTS: 6.25
Object 1 has a mass of 30 kg. Object 2 has a mass of 85 kg. The centers of both objects are six meters
apart. What is the gravitational force between the two objects?
0 4.72 x 10^-9 N
06.7 x 10^-9 N
1.38 x 10-9 N
8.9 X 10^-9 N
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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, 21.06.2019 23:30
In which of the following cases is work being done on an object? question 2 options: pulling a trailer up a hill carrying a box down a corridor suspending a heavy weight with a strong chain pushing against a locked door
Answers: 2
Physics, 22.06.2019 02:00
An object has a weight of 500 on earth what is the mass of this object
Answers: 1
POSSIBLE POINTS: 6.25
Object 1 has a mass of 30 kg. Object 2 has a mass of 85 kg. The centers of bo...
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