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A 1200 kg aircraft going 40 m/s collides with a 2500 kg aircraft that is parked and they stick together after the collision. If they skid for 124 m in 20 s before stopping, how fast were the two stuck-together aircraft going immediately after the collision? Hint: Are the aircraft moving at a constant velocity after the collision or do they experience an acceleration?
an 8000 kg truck traveling with a velocity of 20.0m/s in a direction 30 (degree) south of east, find the direction of the combined mass
A grandfather clock is powered by the descent of a 4.40-kg weight. If the weight descends through a distance of 0.750 m in 3.00 days, how much power does it deliver to the clock
A parallel circuit with a 12kΩ resistor, a 12.0 V battery and a capacitor has a time constant of 55 μs. Compute the capacitance of the circuit? Compute the time it takes for the energy stored in the capacitor to be two thirds of its maximum value?
In an experiment on standing waves, a string 90 cm long is attached to the prong of an electrically driven tuning fork that oscillates perpendicular to the length of the string at a frequency of 60 Hz. What tension must the string be under if it is..
Introduction of Nanotechnology, Description of Nanotechnology, Fundamentals of an atom.
A 4700 μF capacitor is charged with 9 Volt and then connected across a 1.5 H inductor. Evaluate what is the maximum current
A spring that has an unstretched height of 15.0 cm sits on top of a table. If a 75.0-gram block is dropped from a height of 35.0 cm above the table top and comes to rest 7.5 cm above the table top after landing on and compressing the spring, what is ..
A 25-turn circular coil of wire has diameter 1.00m. It is placed with its axis along the direction of the earth's magnetic field of 50.0µT
A 60.0 kilogram woman stands at one end of a 120 kilogram raft that is 6 meter long. The other end of the raft is 0.5 meter from a pier. find the distance between the raft and the pier
Suppose a conducting rod is 86 cm long and slides on a pair of rails at 4.75 m/s. What is the strength of the magnetic field in T if a 5 V emf is induced
A baseball pitcher pivots his extended arm about his shoulder joint, applying a constant torque of 197 N · m for 0.24 s to his arm, Find his arm's angular acceleration and final angular velocity
A rock is thrown upward from the level ground in such a way that the maximum height of its flight is equal to its horizontal range R. (a) At what angle ? is the rock thrown? (b) In terms of its original range R, what is the range Rmax the rock can at..
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