Smashing Dynamics
Level 3, 2026-05-09
All answers must have a value and units
Metric Distance
cmcentimeterbasic unit of distance
mmeter100 centimeters
kmkilometer1000 meters
Imperial Distance
ininch2.5 centimeters
ftfoot12 inches
mimile5280 feet, 1.6 kilometers
Time
secsecondbasic unit of time
minminute60 seconds
hrhour60 minutes
dayday24 hours
A boat starts at a speed of 3 mi/hr and increases its speed to 12 mi/hr in 5 hr. What is its acceleration?
[1]
A ball starts at a speed of 8 mi/day and increases its speed to 18 mi/day in 4 day. What is its acceleration?
[1]
A bike speeds up to 9 km/hr in 5 hr. What is its acceleration?
[1]
A car travels at 7 inches/hour for 8 hours then at 6 inches/hour for 2 hours. How far did it go?
[2]
A car traveling at 60 ft/min decelerates at 7 ft/min/min. How long will it take to stop?
[1]
A cheetah traveling at 6 km/sec decelerates at 2 km/sec/sec. How long will it take to stop?
[1]
A kid traveling at 2 km/hr stops in 8 hr. What is its acceleration?
[1]
A bike travels at 12 inches/day while a ball travels at 5 inches/day. If the race track is 72 inches long, what distance will the bike win by?
[2]
What is 15km in cm?
[1]
A train travels at 15 miles/minute while a bike travels at 13 miles/minute. If they race for 8 minutes, how far will train be ahead by?
[2]
A person accelerates at 2 km/day/day for 9 day. How fast is it going?
[1]
A car accelerates at 8 mi/min/min for 9 min. How fast is it going?
[1]
A car travels at 5 miles/day for 4 days then at 7 miles/day for 8 days. How far did it go?
[2]
What is 15min in sec?
[1]
A ball traveling at 16 mi/min decelerates at 2 mi/min/min. How long will it take to stop?
[1]
A kid travels 81 miles at 9 miles per hour. How long will it take the kid to finish?
[1]