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WorksheetsScience Form 5 - Motion (engine, speed)
Total questions: 10
Worksheet time: 5mins
What is the speed of a runner who runs 400 meters in 40 seconds?
10 meters/second
40 meters/second
100 meters/second
1,600 meters/second
SI unit for speed
Mph
m/s or km/h
newtons
pounds
Calculate the velocity of a cyclist traveling 100km south over a period of 5 hours
20km/h south
10km/h south
10mi/h
20km/h
During the first stroke (Intake), what valves are open-if any?
Both closed
Intake valve open, Exhaust closed.
Both are open
Intake valve closed, Exhaust valve open.
A car uses a four-stroke engine.
The four strokes are:
intake, compression, combustion and exhaust
injection, rotation, combustion and exhaust
injection, carburetion, rotation and exhaust
A roller coasters accelerates from an initial speed of 6.0 m/s to a final speed of 70 m/s over 4 seconds. What's the acceleration?
24 m/s2
18 m/s2
16 m/s2
16 m/s
