A car is driving along a straight section of highway

Reference no: EM13461167

1. A car is driving along a straight section of highway between Oklahoma City and Tulsa. At one point in time, the car is 50 miles from Tulsa. At a later point in time, it's 40 miles from Tulsa. What is its displacement?

2. An ant is placed on a piece of graph paper. It crawls 3 cm on an azimuth of 30 degrees, 5 cm on an azimuth of 180 degrees, and 2 cm on an azimuth of 270 degrees. At that point, the observer loses patience and swats and ant. What is the X-Y position of the squashed ant, measured with respect of the place where it started?

3. A motorcycle rider is attempting to set a speed record on a straight course. The cycle passes two points, a measured 100 m apart, in 1.2 seconds. What is its average velocity between those points?

4. A M1911 pistol fires a .45 ACP round. The bullet leaves the 13 cm barrel with a velocity of 300 m/s.

a. What is the bullet's average velocity while in the barrel?

b. If the acceleration is assumed to be constant, how long does it take the bullet to travel the length of the barrel?

c. What is the average acceleration of the bullet in the barrel?

5. A small powder charge propels a shoulder-launched antitank missile from its tube at 20 m/s. At 0.2 seconds after launch, the rocket motor ignites and accelerates the missile at a constant 20 g. After 2 seconds, the missile hits its target and detonates. How far away was the target? Assume a straight flight path.

Reference no: EM13461167

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