Kinematics
A passenger is walking towards the front of a bus that is moving forward. Which of the following statements is true regarding the passenger's speed, according to different observers?
Two observers, Alice and Bob, are watching a car move down a straight road. Alice is standing still on the side of the road, while Bob is driving his car in the same direction as the first car, but at a slower speed. Which observer measures a greater speed for the first car?
A train is moving to the right at a speed of 30 m/s relative to the ground. A person inside the train is walking to the right at a speed of 2 m/s relative to the train. What is the velocity of the person relative to the ground?
A physics student is conducting an experiment inside a train moving at a constant velocity. The student drops a ball and measures its acceleration due to gravity. If another observer were standing on the ground outside the train, how would the measured acceleration of the ball compare?
A car is traveling east at 20 m/s. A truck is traveling in the same direction at 30 m/s. What is the velocity of the car relative to the truck?
Two trains are approaching each other on parallel tracks. Train A is moving east at 40 m/s, and Train B is moving west at 30 m/s. What is the velocity of Train A relative to Train B?
A person is walking towards the front of a train at 1 m/s. The train is moving east at 20 m/s relative to the ground. A car is traveling west at 15 m/s relative to the ground. What is the velocity of the person relative to the car?
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Two cars are traveling in the same direction on a straight road. Car A is moving at 25 m/s and Car B is moving at 15 m/s. What is the velocity of Car A relative to Car B?
Two cyclists are approaching each other on a straight path. Cyclist A is moving east at 8 m/s, and Cyclist B is moving west at 5 m/s. What is the velocity of Cyclist A relative to Cyclist B?