Smashing Dynamics
Level 4, 2026-05-20
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 traveling at 2 km/day stops in 2 day. What is its acceleration?
[1]
A rocket blasts off with an upwards acceleration (not including gravity) of 12 m/sec/sec. How fast will it be going after 6 min?
[1]
A kid is dropped out of a plane and falls for 6 sec until it hits water. The water creates a deceleration of 5 m/sec/sec and it takes another 9 sec to sink to the bottom. How fast will it be going when it hits the bottom?
[2]
What is 2 hrs in days?
[1]
A car travels at 7 miles per day for 17 days. How far will the car travel?
[1]
A rocket blasts off with an upwards acceleration (not including gravity) of 15 m/sec/sec. How fast will it be going after 4 sec?
[1]
A kid is dropped out of a plane and falls for 10 sec until it hits the ground. How fast will it be going when it hits the ground?
[1]
A bus travels at 4 centimeters/minute around a square with a side of 3 centimeters. How long will the bus take to get around the square?
[2]
A boat is dropped out of a plane and falls for 3 sec until it hits the ground. How fast will it be going when it hits the ground?
[1]
A bike traveling at 50 m/hr decelerates at 7 m/hr/hr. How long will it take to stop?
[1]
A ball is dropped out of a plane and falls unitil it hits the ground. If its speed is 136 m/sec when it hits the ground, how long did the fall take?
[1]
A cube travels at 7 miles per hour for 2 hours. How far will the cube travel?
[1]
A dog accelerates at 2 in/day/day. How long will it take to get to a speed of 2 in/day?
[1]
Planet X has gravity that is one sixth the gravity on Earth. If a train is dropped for 4 min on Planet X, how fast will it be going?
[1]
A cube traveling at 15 mi/min decelerates at 2 mi/min/min. How long will it take to stop?
[1]
A bike is dropped out of a plane and falls for 9 sec until it hits the ground. How fast will it be going when it hits the ground?
[1]
A rabbit is dropped out of a plane and falls unitil it hits the ground. If its speed is 83 m/sec when it hits the ground, how long did the fall take?
[1]
A rocket blasts off with an upwards acceleration (not including gravity) of 15 m/sec/sec. How fast will it be going after 5 min?
[1]