A police expert reconstructs an accident. She says that a sports car of mass m1

Question

A police expert reconstructs an accident. She says that a sports car of mass m1 = 1000 kg

collided with a parked pick-up of mass m2 = 1500 kg. From the skid marks it is estimated

that the speed of the pick-up immediately after the collision was 21.6 m/s at an angle of 33.7

degrees with the direction of the road. The sports car left a mark at an angle of 60 degrees.

From these data the expert concludes that the initial speed of the sports car

1. exceeded the 55 mph speed limit by 5 mph

2. was under the 55 mph speed limit by 5 mph

3. exceeded the 55 mph speed limit by more than 10 mph

4. was under the 55 speed limit by more than 10 mph

5. she can't conclude anything because she didn't gather enough information

A police expert reconstructs an accident. She says that a sports car of mass m1 = 1000 kg collided with a parked pick-up of mass m2 = 1500 kg. From the skid marks it is estimated that the speed of the pick-up immediately after the collision was 21.6 m/s at an angle of 33.7 degrees with the direction of the road. The sports car left a mark at an angle of 60 degrees. From these data the expert concludes that the initial speed of the sports car exceeded the 55 mph speed limit by 5 mph was under the 55 mph speed limit by 5 mph exceeded the 55 mph speed limit by more than 10 mph was under the 55 speed limit by more than 10 mph she can't conclude anything because she didn't gather enough information

Explanation / Answer

5. she can't conclude anything because she didn't gather enough information

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