Celebrating a Soccer Goal
A soccer player celebrates a goal by falling to his knees and sliding across the [...]
Water Fountain!
Enough power to "lift up 1 meter a 1 Ton anvil, in half a second".
Umbrella!
Calculate the change in mechanical energy when the umbrella is opened.
Toy Track
How fast can the toy car go?
Pushing a Toy Car!
Find the work done on the toy car.
Ice Skating!
A figure skater encounters a rough patch. Calculate the length of ice that should be resurfaced.
Emergency Escape!
Calculate the minimum height of an emergency escape ramp to safely divert a truck with faulty brakes.
Raindrops Keep Falling on my Head!
Calculate the speed of a raindrop just before hitting the ground
Cargo Plane!
Calculate the percentage of the cargo mass that needs to leave the plane for takeoff.
Machine’s Work!
Calculate the work done by the machine between different points