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A 1000 kg aircraft going 25 m/s collides with a 1500kg aircraft that is parked and they stick together after the collision and are going 10 m/s after the collision. If they skid for 6.6 seconds before stopping, how far did they skid? Hint: Are the aircraft moving at a constant velocity after the collision or do they experience an acceleration?
White light passes from quartz to air, with an incident angle of 31.7°. Discover the angle among the colors blue (470 nm) and violet (410 nm).
A soap film is illuminated by white light normal to itssurface. The index of refraction of the film is 1.50. What is the thickness of the film
Near Earth, the density of protons in the solar wind (a stream of particles from the Sun) is 12.8 cm-3, and their speed is 615 km/s. Find the current density of these protons
The building slab is subjected to four parallel column loadings. Determine the equivalent resultant force and specify its location (x, y) on the slab. Take F1 = 30 kN, F2 = 40kN.
A 27 pound meteorite struck a car, leaving a dent 20 cm deep in the trunk. what was the magnitude of its deceleration, assuming it to be constant
A boy whirls a stone in a horizontal circle of radius 1.7 m and at height 2.2 m above ground level. The string breaks, and the stone flies horizontally and strikes the ground after traveling a horizontal distance of 10 m. What is the magnitude of the..
a bug sits on the edge of a spinning wheel of radius .2m which is rotating counter clockwise at a rate of 6 rad/sec and slowing down at a rate of 4 rad/s^2. what is the magnitude of the tangential acceleration
Imagine a Hydrogen atom to consist of a single proton as a nucleus and a single electron, which orbits the proton in a circular path. then what will be the radius of the orbit when it has lost half of its original kinetic energy
A 3.0 kg block slides along a horizontal, frictionless surface at 5.0 m/s the block hits an ideal spring with spring constant 2500 N/m. What is the maximum distance that the spring gets compressed
a simple pendulum makes 120 complete oscillations in 3.00 min at a location where g 9.80 ms2. find a the period of the
two crewmen pull a raft through a lock . one crewman pulls with a force of 130 at an angle of 34 relative to the
A piccolo can be approximated as a tube that is open at both ends. If a piccolo is 22 cm long, what is the frequency of the lowest note it can play
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