You hear the engine roaring on a race car at the starting line. predict the changes in the sound as the race starts and the car approaches the camera. a) the sound of the engine will get louder and the pitch lower. eliminate b) the sound of the engine will get louder and the pitch higher. c) the sound is determined by the car and it will not change in any way. d) the sound of the engine will get louder but the pitch will not change.
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Physics, 22.06.2019 15:40
How does the electric potential energy between two charged particles change if one particle is reduced by a factor of 3? a. increased by a factor of 3 b. it is decreased by a factor of 9 c. it is reduced by a factor of 3 d. it is increased by a factor of 9
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Physics, 22.06.2019 19:40
Two charged particles, q1 and q2, are located on the x-axis, with q1 at the origin and q2 initially at x1 = 12.2 mm. in this configuration, q1 exerts a repulsive force of 2.62 µn on q2. particle q2 is then moved to x2 = 18.0 mm. what is the force (magnitude and direction) that q2 exerts on q1 at this new location? (give the magnitude in µn.)
Answers: 1
You hear the engine roaring on a race car at the starting line. predict the changes in the sound as...
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