Frank stands still while throwing a dart toward a target with a speed of 25 m/s.
Time is a phenomenon in which objects in motion and objects at rest experience time differently.
Alex is standing still and throws a football with a speed of 10 m/s to his friend, who is also standing still. The two friends are standing 5 meters apart.
According to Einstein, nothing in the universe can move faster than which approximate speed?
According to the special theory of relativity, what is the fourth dimension?
Alyssa is carrying a water balloon while running down a field at a speed of 14 m/s. She tosses the water balloon forward toward a bucket with a speed of 23 m/s. Alyssa’s friend Naya is standing still next to the field.
In an action movie, a spy is lying still on top of a train. The train is moving at a speed of 95 km/h. Three bad guys are after the spy. One is in a helicopter flying above the train and moving at the same speed in the same direction as the train. The second is a spotter sitting above a tunnel opening that the train is headed for. The third is in a car that is driving alongside the train, in the opposite direction, at a speed of 105 km/h.
Shanti is riding on a train that is moving at a speed of 90 km/h. He is carrying a power cord for his phone that is 1.2 m long.
Basim’s robotics team builds a robot that travels at 9 m/s and can fire a tennis ball at a target.
Yanni is sitting in the stands watching a football game. The quarterback runs forward toward the end zone and throws a pass straight downfield to a player for a touchdown. The quarterback ran at a speed of 8 m/s and threw the ball with a speed of 15 m/s.
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