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Unformatted text preview: direction from the roof of a building 30.0 m tall. The rocket’s engine produces a horizontal acceleration of αt in the same direction as the initial velocity, where α = 1 . 60 m/s 3 . In the vertical direction, the acceleration is g downward. Air resistance can be neglected. What horizontal distance does the rocket travel before reaching the ground? 4. [YF 3.73] Two tanks are engaged in a training exercise on level ground. The ﬁrst tank ﬁres a paint-ﬁlled training round with a muzzle speed of 250 m/s at 10.0 ◦ above the horizontal while advancing toward the second tank with a speed of 15.0 m/s relative to the ground. The second tank is retreating at 35.0 m/s relative to the ground, but is hit by the shell. You can ignore air resistance and assume the shell hits at the same height above ground from which it was ﬁred. Find the distance between the tanks: (a) when the round was ﬁrst ﬁred, and (b) at the time of impact....
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This note was uploaded on 01/31/2012 for the course PHYSICS 1 taught by Professor Liu during the Spring '11 term at UC Davis.
- Spring '11