During the Olympic Games, a shot putter threw a shot put with a speed of 14.0 m/s at an angle of 40 degrees above the horizontal. She released the shot put from a height of 2 m above the ground. a.) How long was it until the shot put hit the ground? b.)How far did the shot put travel in the horizontal direction? c.) What is the shot put's velocity vector (in Cartesian components) just before hitting the ground?

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Relative Velocity

It is a measurement of an object with regards to the other object which is moving or stable or stationary. For example, if we are traveling in a bus and the bus is moving at speed of 50km/hr, then our speed is according to the nearby passenger on the bus is zero. According to them, we are not moving. But if one person standing on the ground or road observes us from outside of the bus, according to him we are moving at a speed of 50km/hr and the bus is also moving at a speed of 50km/hr. Now, the motion is recognized by the observer, it depends on a frame of reference or observer. This is motion called relative motion.