On a sunny summer day, with the sun overhead, you can stand under a tree and look on the ground at the pattern of light that has passed through gaps between the leaves. You may see illuminated circles of varying brightness. Why are there circles, when the gaps between the leaves have irregular shapes
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Physics, 22.06.2019 02:00
Figure 9 on page 362 shows various motions of balls. the curved path followed by the yellow ball in b in picture b is result of a) inertia b) centripetal motion c) gravity and horizontal velocity d) linear motion
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Physics, 22.06.2019 04:00
All the simple machines make work easier to do by changing the or of a force. a. size; type b. work; type c. size; direction d. type; direction
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On a sunny summer day, with the sun overhead, you can stand under a tree and look on the ground at t...
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