Smashing Dynamics
Level 4, 2026-04-22
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
Other
ggravity-10 m/sec/sec
A boat travels at 11 feet/minute while a train travels at 6 feet/minute. If they race for 7 minutes, how far will boat be ahead by?
[2]
What is 4 kilometers in centimeters?
[1]
A boat travels at 5 inches/second while a person travels at 12 inches/second towards it. If they are 5 inches apart, how long will it take for them to meet?
[2]
A cat travels at 6 miles/hour around a rectangle with one side of 5 miles and another side of 10 miles. How long will the cat take to get around the rectangle?
[2]
A rabbit travels at 7 meters per minute. What is its speed?
[1]
A ball is dropped out of a plane and falls for 5 min until it hits the ground. How fast will it be going when it hits the ground?
[1]
A boat travels at 4 inches/minute around a equilateral triangle with a side of 4 inches. How long will the boat take to get around the equilateral triangle?
[2]
A scooter is dropped out of a plane and falls for 4 sec until it hits water. The water creates a deceleration of 5 m/sec/sec and it takes another 6 sec to sink to the bottom. How fast will it be going when it hits the bottom?
[2]
A rocket blasts off with an upwards acceleration (not including gravity) of 20 m/sec/sec. How fast will it be going after 2 sec?
[1]
A kid is dropped out of a plane and falls for 2 min until it hits water. The water creates a deceleration of 5 m/sec/sec and it takes another 24 min to sink to the bottom. How fast will it be going when it hits the bottom?
[2]
A dog traveling at 7 in/sec stops in 7 sec. What is its acceleration?
[1]
A cube speeds up to 4 in/hr in 4 hr. What is its acceleration?
[1]
A car accelerates at 7 m/hr/hr. How long will it take to get to a speed of 8 m/hr?
[1]
A scooter traveling at 9 m/day stops in 2 day. What is its acceleration?
[1]