Smashing Dynamics
Level 4, 2026-05-06
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 traveling at 23 in/day decelerates at 9 in/day/day. How long will it take to stop?
[1]
A bus traveling at 8 ft/sec stops in 4 sec. What is its acceleration?
[1]
A cat travels at 14 centimeters/minute while a cheetah travels at 6 centimeters/minute. If the race track is 56 centimeters long, what distance will the cat win by?
[2]
A bus is dropped out of a plane and falls for 4 sec until it hits the ground. How fast will it be going when it hits the ground?
[1]
A person is dropped out of a plane and falls for 6 sec until it hits the ground. How fast will it be going when it hits the ground?
[1]
A boat travels at 6 inches/day around a square with a side of 5 inches. How long will the boat take to get around the square?
[2]
Planet X has gravity that is twice the gravity on Earth. If a boat is dropped for 4 sec on Planet X, how fast will it be going?
[1]
Two rockets blast off with upwards accelerations (not including gravity) of 15 m/sec/sec and 9 m/sec/sec. How much faster will the fastest rocket be going after 3 min?
[2]
A cat is dropped into the water and falls for 7 sec until it hits the bottom. The water creates a deceleration of 6 m/sec/sec. How fast will it be going when it hits the bottom?
[1]
A cube is dropped out of a plane and falls for 9 min until it hits the ground. How fast will it be going when it hits the ground?
[1]
A cube travels at 6 feet/second around a square with a side of 8 feet. How long will the cube take to get around the square?
[2]
A bike travels at 3 kilometers/hour around a equilateral triangle with a side of 5 kilometers. How long will the bike take to get around the equilateral triangle?
[2]
A kid is dropped out of a plane and falls for 2 min until it hits the ground. How fast will it be going when it hits the ground?
[1]
A car traveling at 9 km/sec stops in 3 sec. What is its acceleration?
[1]
A tiger is dropped out of a plane and falls for 9 min until it hits the ground. How fast will it be going when it hits the ground?
[1]