Kevin drops something out of his car 1.5 meters above the ground, traveling at 30 m/s. Where does it land?
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Kevin drops something out of his car 1.5 meters above the ground, traveling at 30 m/s....
4. A mass of 2 kg is held 4 meters above the ground. The gravitational potential energy of this object, relative to the ground, is ___. 5. Which is easier, stopping a 1000 kg car traveling at 40 m / s or a 2000 kg car traveling at 20 m / s? 8. Suppose an airplane fires bullets in the same direction it travels. Does the momentum of the plane increase, decrease or remain the same? Explain
A car is traveling at –3 m/s at the position +10 meters at the time +5 seconds. a. Write the position function as a function of time for this car. A second car is traveling at –1 m/s at the position –5 meters at the time +8 seconds. b. Write the position function as a function of time for this car. c. Sketch the two functions accurately. Specifically, locate the x and y intercepts. Locate the time and position where...
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A student drops a water balloon out of a dorm window 79 m above the ground. What is the speed in m/s when it hits the ground? Round to the closest whole number.
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3. A car traveling at a constant 39 m/s (-87 mph) passes a police car that is initially traveling at 25 m/s (55 mph). At the instant of the pass, the police car accelerates at a constant rate of 3.3 m/s in pursuit. We wish to find how much time elapses before the officer catches the car. (a) Identify the initial states when the car passes the police. (b) Define the final state or conditions which enable...
A student drops a water balloon out of a dorm window 16 m above the ground. What is its speed when it hits the ground?