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by BlastRoom
Mixed practice with impulse, conservation of momentum, collisions, and explosions.
#physics
20 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
Answer to place stones and capture territory.
Outrun the snow together.
Earn blasts, then hunt the other team.
Answer to earn energy, then climb.
The class blasts through walls together.
Bid on mystery lots. Most money wins.
Sell tours. Nice, standard, or a total scam.
Answer, restock, and serve the rush.
More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
Use the figure. Take right as positive. What is cart B's velocity after the interaction?
Use the figure. Take right as positive. What velocity do the stuck carts have after impact?
Use the figure. Take right as positive. What velocity must piece B have?
Use the figure. Which statement correctly describes this one-dimensional event?
Use the figure. Take the ball's thrown direction as positive. What is the skater's recoil velocity?
The graph shows the net force on a 4.0 kg cart initially moving at +2.0 m/s. What is its velocity at 3.0 s?
Use the force-time graph. What is the net impulse on the object from 0 s to 4 s?
The graph shows force on a 2.5 kg cart initially moving at -4.0 m/s. What is its velocity at 3.0 s?
A 0.145 kg baseball travels horizontally at +38 m/s. Taking its motion as positive, what is its momentum?
A 0.060 kg tennis ball moving at +25 m/s rebounds at -35 m/s. What impulse does the racket deliver to the ball?
A 0.42 kg ball moving at +8.0 m/s is kicked straight back at -14 m/s. Contact time is 0.021 s. What is the magnitude of the average force?
An 1100 kg car at +14 m/s collides with a 900 kg car at -6.0 m/s, and they lock together. What is their final velocity?
A 75 kg rider moving at +16 m/s is brought to rest by a safety barrier over 0.80 s. What average force does the barrier exert on the rider?
A 3.0 kg cart moving at +2.0 m/s splits into a 1.0 kg piece moving at +8.0 m/s and a 2.0 kg piece. What is the 2.0 kg piece's velocity?
Two carts collide on a nearly frictionless track. During the short collision, external forces are negligible. Which system quantity must be the same before and after?
Two clay balls collide and stick together. If external forces are negligible, which statement is true for the two-ball system?
Why does an air bag reduce injury risk in a crash?
Two equal-mass carts approach with equal speeds and latch together. What happens immediately after they latch?
During a collision between a small cart and a large cart, how do the forces they exert on each other compare?
A stationary object breaks into two pieces with no external impulse. Which statement about the pieces' momenta is correct?
Crack the passcode before the zombies get in.
Answer, then swat bugs for bonus points.
Race through questions at your own speed.
Same question on every screen. Fastest wins.
Pick a tile, answer, hit bonuses and steals.
Parts of a Wave
50 questions
