Smashing Dynamics
Level 4, 2026-01-10
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 train is dropped out of a plane and falls for 7 min until it hits the ground. How fast will it be going when it hits the ground?
[1]
A ball starts at a speed of 6 in/min and increases its speed to 11 in/min in 2 min. What is its acceleration?
[1]
A rabbit traveling at 2 m/day stops in 3 day. What is its acceleration?
[1]
A scooter travels 56 kilometers in 7 minutes. At what speed did the scooter travel?
[1]
A rocket blasts off with an upwards acceleration (not including gravity) of 13 m/sec/sec. How fast will it be going after 7 sec?
[1]
A cat travels at 4 meters per day. What is its speed?
[1]
A rabbit travels 64 centimeters in 4 days. At what speed did the rabbit travel?
[1]
A door is closing in 4 minutes. How fast do you need to travel to get through the door if you are 12 feet away?
[1]
Planet X has gravity that is one third the gravity on Earth. If a train is dropped for 8 sec on Planet X, how fast will it be going?
[1]
A cat is dropped out of a plane and falls for 9 min until it hits water. The water creates a deceleration of 6 m/sec/sec and it takes another 12 min to sink to the bottom. How fast will it be going when it hits the bottom?
[2]
A ball starts at a speed of 4 mi/day and increases its speed to 5 mi/day in 6 day. What is its acceleration?
[1]
A rabbit travels at 9 meters/second around a rectangle with one side of 5 meters and another side of 9 meters. How long will the rabbit take to get around the rectangle?
[2]
A cheetah is dropped out of a plane and falls unitil it hits the ground. If its speed is 124 m/sec when it hits the ground, how long did the fall take?
[1]
A kid traveling at 10 mi/sec decelerates at 4 mi/sec/sec. How long will it take to stop?
[1]
A bus travels at 11 meters/day while a boat travels at 6 meters/day. If the race track is 66 meters long, what distance will the bus win by?
[2]
A scooter is dropped into the water and falls for 3 sec until it hits the bottom. The water creates a deceleration of 8 m/sec/sec. How fast will it be going when it hits the bottom?
[1]
A dog accelerates at 5 m/min/min. How long will it take to get to a speed of 3 m/min?
[1]