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A 1000-kg aircraft going 25 m/s collides with a 1500-kg aircraft that is parked. They stick together after the collision and are moving at 10 m/s. If they skid for 9.7 seconds before stopping, how far (in meters) did they skid?
Hint: Are the aircraft moving at a constant velocity after the collision or do they experience an acceleration?
Doing a report about Chernobyl disaster now, and the knowledge and focus on is Physicists use models to explain and reconcile observed energy phenomena;
A lens of focal length +1.25 cm is used as a simple magnifier by holding outside the eye. what is the angular magnification
A 1.2m×1.2m×1.2m cube of nitrogen gas is at 20oC and 1.1 atm. Estimate the number of molecules in the cube with a speed between 700 m/s and 1000 m/s
250mL of water at 20.0 ?C is placed in the freezer compartment of a refrigerator with a coefficient of performance of 6.00. How much heat energy is exhausted into the room
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As a way of determining the inductance of a coil utilized in a research project, a student first connects the coil to a 11.0 V battery and measures a current of 0.650 A. The student then connects the coil to a 24.0V (rms), 60.0 Hz generator and measu..
If the pressure of the 1.2-cm3 volume is reduced to 1.2 × 10?11 Pa (an extremely good vacuum) while the temperature remains constant, how many moles of gas remain in the container
A raft is 3.9 m wide and 6.5 m long.When cargo is loaded onto the raft, it sinks 2.9 cm deeper into the water. What is the weight of the cargo
A press has 4 threads to the cm. Horizontal forces of 200N are applied at the right angles to each end of the handle of total length 14cm. If the efficiency is 50%, calculate the force exerted by the head of the press.
A point charge q = ?2.3 nC is initially at rest adjacent to the negative plate of a capacitor, What is the potential difference between the plates
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an experiment youre designing needs a gas with ? 1.45. you recall from your physics class that no individual gas has
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