A car increases its forward velocity uniformly from 40 m/s to 80 m/s while traveling a distance of 200 m. What is its acceleration during this time?
A) 24 m/s2 B) 8.0 m/s2 C) 9.6 m/s2 D) 12 m/s2
D
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The number of turns in the coil of a generator is reduced by a factor of 2 and at the same time it is rotated twice as fast keeping other factors constant. What happens to the value of the maximum induced emf?
A) It is reduced by a factor of 2. B) It is reduced by a factor of 4. C) It is doubled. D) It stays the same. E) It is quadrupled.
In partially stabilized zirconia, particles of the tetragonal phase transform to the _________phase at the crack tip when subject to a sufficient stress.
Fill in the blank(s) with the appropriate word(s).
The atmosphere of Venus is about 95% ________
Fill in the blank(s) with correct word
Two projectiles are fired from ground level at equal speeds but different angles. One is fired at an angle of 30° and the other at 60°. Neglecting air resistance, the projectile to hit the ground first will be the one fired at
A) 30°. B) 60°. C) both hit at the same time