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As she climbs a hill, a cyclist slows down from 15 mi/hr to 4 mi/hr in 12 seconds. What is her deceleration?
8 seconds
742.57 m/s
vector
-10 m/s/s
-.92 m/s/s
7 m/s/s
26.7 km per second squared
32 m/s
What is the speed of a rocket that travels 9000 meters in 12.12 seconds?
8 seconds
742.57 m/s
vector
-10 m/s/s
-.92 m/s/s
7 m/s/s
26.7 km per second squared
32 m/s
A parachute on a racing dragster opens and changes the speed of the car from 95 m/s to 40 m/s in a period of 5.5 seconds. What is the acceleration of the dragster?
8 seconds
742.57 m/s
vector
-10 m/s/s
-.92 m/s/s
7 m/s/s
26.7 km per second squared
32 m/s
A physical measurement that contains directional information
8 seconds
742.57 m/s
vector
-10 m/s/s
-.92 m/s/s
7 m/s/s
26.7 km per second squared
32 m/s
A cart rolling down an incline for 6.0 seconds has an acceleration of 5.0 m/s2. If the cart has a beginning speed of 2.0 m/s, what is its final speed?
8 seconds
742.57 m/s
vector
-10 m/s/s
-.92 m/s/s
7 m/s/s
26.7 km per second squared
32 m/s
A meteoroid changed velocity from 1.0 km/s to 1.8 km/s in 0.03 seconds. What is the acceleration of the meteoroid?
8 seconds
742.57 m/s
vector
-10 m/s/s
-.92 m/s/s
7 m/s/s
26.7 km per second squared
32 m/s
A car traveling at a speed of 40.0 m/s encounters an emergency and comes to a complete stop. How much time will it take for the car to stop if it decelerates at -5.0 m/s2?
8 seconds
742.57 m/s
vector
-10 m/s/s
-.92 m/s/s
7 m/s/s
26.7 km per second squared
32 m/s
A helicopter’s speed increases from 15 m/s to 50 m/s in 5 seconds. What is the acceleration of this helicopter?
8 seconds
742.57 m/s
vector
-10 m/s/s
-.92 m/s/s
7 m/s/s
26.7 km per second squared
32 m/s
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