Question
9. A motorist traveling at 30.0 m/s passes a stationary police car. The police car gives chase 2.0 s later, accelerating at 5.0 m/s2. How
9. A motorist traveling at 30.0 m/s passes a stationary police car. The police car gives chase 2.0 s later, accelerating at 5.0 m/s2. How long after giving chase will the police car catch the motorist?10. A motorist traveling north at 30.0 m/s spots a police car 150.0 m ahead traveling south at 20.0 m/s. The motorist decelerates at 4.0 m/s2 in an attempt to avoid a ticket. How fast is the motorist traveling when they pass the police car?11. In a game of tag two children start from rest 3.0 m apart. The first child accelerates at 0.60 m/s2 in a straight line away from the second child, while the second child accelerates at 1.0 m/s2 after the first. How long does it take the second child to catch the first?12. A cheetah spots a gazelle 60.0 m away. The cheetah accelerates at 8.5 m/s2 toward the gazelle. The gazelle notices the cheetah 2.0 s later and accelerates straight away with an acceleration of 7.3 m/s2. Assuming they both start from rest, how far does the gazelle make it before being caught by the cheetah?
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