Smashing Dynamics
Level 4, 2026-09-23
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
Planet X has gravity that is one sixth the gravity on Earth. If a ball is dropped for 5 sec on Planet X, how fast will it be going?
[1]
A rocket blasts off with an upwards acceleration (not including gravity) of 8 m/sec/sec. How fast will it be going after 3 sec?
[1]
What is 3 days in hours?
[1]
A dog traveling at 2 cm/day stops in 9 day. What is its acceleration?
[1]
A tiger travels at 2 meters/minute while a cat is 8 meters behind traveling at 2 meters/minute. How long will the cat take to catch up to the tiger?
[2]
A car travels at 9 feet/second around a rectangle with one side of 4 feet and another side of 5 feet. How long will the car take to get around the rectangle?
[2]
Two rockets blast off with upwards accelerations (not including gravity) of 11 m/sec/sec and 19 m/sec/sec. How much faster will the fastest rocket be going after 2 min?
[2]
Planet X has gravity that is three times the gravity on Earth. If a cheetah is dropped for 10 sec on Planet X, how fast will it be going?
[1]
A rocket blasts off with an upwards acceleration (not including gravity) of 19 m/sec/sec. How fast will it be going after 10 sec?
[1]
A ball speeds up to 6 cm/day in 4 day. What is its acceleration?
[1]
A cat travels at 8 feet/second while a kid travels at 10 feet/second towards it. If they are 9 feet apart, how long will it take for them to meet?
[2]
A scooter speeds up to 3 mi/day in 7 day. What is its acceleration?
[1]
What is 4m in cm?
[1]
A scooter traveling at 18 km/sec decelerates at 4 km/sec/sec. How long will it take to stop?
[1]
A rocket blasts off with an upwards acceleration (not including gravity) of 12 m/sec/sec. How fast will it be going after 3 sec?
[1]
Planet X has gravity that is three times the gravity on Earth. If a kid is dropped for 8 sec on Planet X, how fast will it be going?
[1]