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by BlastRoom
Track kinetic and potential energy through a system to find missing quantities.
#physics
30 questions
One question set, multiple game modes. Tap any game to see it in action. Not sure which to pick?
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Outrun the snow together.
Earn blasts, then hunt the other team.
Answer to earn energy, then climb.
The class blasts through walls together.
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Sell tours. Nice, standard, or a total scam.
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More correct answers pulls the rope your way.
Answer, then shoot down the alien wave.
Answer, then tap to leap the frozen ridge.
A 25 kg cart starts from rest at Point A and descends 5.0 m on a smooth track to Point B. Friction and air resistance are negligible. Take g = 9.8 m/s². What is its speed at Point B?
A 12 kg sled starts from rest at Point A and drops 2.0 m along a frictionless hill to Point B. Air resistance is negligible. Take g = 9.8 m/s². What speed does it have at Point B?
An 80 kg rider starts from rest at Point A and drops 12 m to Point B on a smooth roller coaster track. Friction and air resistance are negligible. Take g = 9.8 m/s². What is the rider's speed at Point B?
A 45 kg cart is released from rest at Point A and descends 8.0 m to Point B on a smooth track. Friction and air resistance are negligible. Take g = 9.8 m/s². What is its speed at Point B?
A 0.60 kg toy car starts from rest at Point A and rolls down a smooth 1.5 m drop to Point B. Friction and air resistance are negligible. Take g = 9.8 m/s². What is its speed at Point B?
A 70 kg skier starts from rest at Point A and slides down a smooth 20 m vertical drop to Point B. Friction and air resistance are negligible. Take g = 9.8 m/s². What is the skier's speed at Point B?
A 3.0 kg cart starts from rest at Point A and drops 0.75 m along a smooth track to Point B. Friction and air resistance are negligible. Take g = 9.8 m/s². What speed does it have at Point B?
A 150 kg bobsled starts from rest at Point A and descends 4.2 m on a smooth run to Point B. Friction and air resistance are negligible. Take g = 9.8 m/s². What is its speed at Point B?
A 0.50 kg ball is thrown upward from Point A at 14 m/s and stops momentarily at Point B. Friction and air resistance are negligible. Take g = 9.8 m/s². How high is Point B above Point A?
A 60 kg skateboarder passes Point A at 3.0 m high with a speed of 4.0 m/s and reaches Point B with 0 m/s. Friction and air resistance are negligible. Take g = 9.8 m/s². What is Point B's height?
A 40 kg sled starts from rest at Point A, 10 m high, and reaches Point B, 4.0 m high. Friction and air resistance are negligible. Take g = 9.8 m/s². What is its speed at Point B?
A 1.5 kg ball is at Point A, 2.0 m high, moving 6.0 m/s. At Point B it is at 0 m high. Friction and air resistance are negligible. Take g = 9.8 m/s². What is its kinetic energy at Point B?
A 0.20 kg rock moves from Point A, 1.2 m high, to Point B, 4.0 m high, where its speed is 0 m/s. Friction and air resistance are negligible. Take g = 9.8 m/s². What was its speed at Point A?
A 20 kg cart is at Point A, 6.0 m high, moving 2.0 m/s. At Point B it moves 8.0 m/s. Friction and air resistance are negligible. Take g = 9.8 m/s². What is Point B's height?
Use the energy bar chart for a cart at Point 1 and Point 2. Friction and air resistance are negligible. Take g = 9.8 m/s². What value completes the blank kinetic-energy bar at Point 2?
The energy bar chart shows two points for a smooth-track cart. Friction and air resistance are negligible. Take g = 9.8 m/s². Which kinetic-energy value completes Point 2?
Read the energy bar chart for Point 1 and Point 2. Friction and air resistance are negligible. Take g = 9.8 m/s². What potential-energy value completes the blank bar at Point 2?
A cart moves from Point 1 to Point 2 on a smooth track. Use the energy bar chart. Friction and air resistance are negligible. Take g = 9.8 m/s². What is the blank potential-energy bar?
The energy bar chart compares Point 1 and Point 2 for a frictionless motion. Air resistance is negligible. Take g = 9.8 m/s². What kinetic energy belongs in the blank bar at Point 2?
For the smooth-track cart in the energy bar chart, friction and air resistance are negligible. Take g = 9.8 m/s². Which value completes the kinetic-energy bar at Point 2?
Use the energy bar chart for a cart moving between Point 1 and Point 2. Friction and air resistance are negligible. Take g = 9.8 m/s². What value completes the blank kinetic-energy bar?
A smooth-track cart is represented by the energy bar chart at Point 1 and Point 2. Friction and air resistance are negligible. Take g = 9.8 m/s². What is the blank potential energy?
The energy bar chart shows a cart at Point 1 and Point 2. Friction and air resistance are negligible. Take g = 9.8 m/s². What completes the blank kinetic-energy bar at Point 2?
Use the energy bar chart for a frictionless motion from Point 1 to Point 2. Air resistance is negligible. Take g = 9.8 m/s². What value completes the potential-energy bar at Point 2?
The energy bar chart tracks a cart between Point 1 and Point 2. Friction and air resistance are negligible. Take g = 9.8 m/s². Which kinetic-energy value completes Point 2?
A cart's energy split at Point 1 and Point 2 is shown in the bar chart. Friction and air resistance are negligible. Take g = 9.8 m/s². What is the blank kinetic energy at Point 2?
Two steel balls, 0.20 kg and 2.0 kg, start from rest at Point A and drop the same height to Point B on smooth ramps. Friction and air resistance are negligible. Take g = 9.8 m/s². Which arrives faster?
A pendulum bob swings in air, and each later swing rises to a smaller height than the previous one. What does this observation show about the system's energy?
A 55 kg cart passes Point A on a smooth track at 6.0 m/s, climbs a hill, and returns to Point A. Friction and air resistance are negligible. Take g = 9.8 m/s². What is its speed when it returns to Point A?
A sliding block slows to rest on a rough level floor between Point A and Point B. What happens to the block's initial kinetic energy?
Crack the passcode before the zombies get in.
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40 questions
