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A person runs for 5 km in 10 minutes, then stops for 3 minutes, then runs another 2 km in 3 minutes. What is their average speed.
.4375 km/min
20 mph east
48 km/hr
.83333m/s/s
100m/s
instantaneous
10m/s/s
76.92 m/s NW
Does your speedometer measure instantaneous or average speed?
.4375 km/min
20 mph east
48 km/hr
.83333m/s/s
100m/s
instantaneous
10m/s/s
76.92 m/s NW
A car accelerates from 10m/s to 50m/s in 4 seconds. Calculate the acceleration.
.4375 km/min
20 mph east
48 km/hr
.83333m/s/s
100m/s
instantaneous
10m/s/s
76.92 m/s NW
What is the velocity of a car traveling 100 miles in 5 hours to the east?
.4375 km/min
20 mph east
48 km/hr
.83333m/s/s
100m/s
instantaneous
10m/s/s
76.92 m/s NW
What is the speed of a truck that moves 50m in 2 sec?
.4375 km/min
20 mph east
48 km/hr
.83333m/s/s
100m/s
instantaneous
10m/s/s
76.92 m/s NW
A train travels for 120 km in 2 hours and 30 minutes. What is its average speed?
.4375 km/min
20 mph east
48 km/hr
.83333m/s/s
100m/s
instantaneous
10m/s/s
76.92 m/s NW
George walks to a friend’s house. He walks 750 meters North, then realizes he walked too far. He turns and walks 250 meters West. The entire walk takes him 13 seconds. What is his velocity?
.4375 km/min
20 mph east
48 km/hr
.83333m/s/s
100m/s
instantaneous
10m/s/s
76.92 m/s NW
A train starts from rest and moves to a speed of 25m/s in 30 seconds. Calculate the accleration.
.4375 km/min
20 mph east
48 km/hr
.83333m/s/s
100m/s
instantaneous
10m/s/s
76.92 m/s NW
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