Your friends wants to hit you with a water balloon. You are running North at a velocity of 12.8 m/s, your friend is running East of North at 14.7 m/s at an angle of 20.7 degrees. At what speed and angle should they throw the water balloon in order for it to hit you?

Q: An object is launched at a velocity of 17 m/s in a direction making an angle of 38 degrees upward…

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Q: speed of the ball w

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A: Launch velocity (u) = 65 msLaunch angle (θ) = 36.9o above the horizontal Time of flight (t) = 5.82…

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Q: Max throws an apple off the side of a building with a velocity of 30.3 m/s on the horizontal. A few…

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Q: what is the speed of the airplane

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A:

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A: Please see the attached images for the solution.  If there are queries or if the images are not…

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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.