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A car moving with an initial speed v collides by a second lighter stationary car that is 41.7% as massive. After the collision, the two cars stick together and move off in the same direction as before. Compute the final speed of the two cars after the collision. Give your answer in units of the initial speed (i.e. as a fraction of v)
The membrane surrounding a living cell consists of an inner and anouter wall that are separated by a small space. Assume that themembrane acts like a parallel plate capacitor in which the effective charge density on the inner and outer walls has a..
At a distance of 60.0km from a radio station antenna the electric-field amplitude is 8.80×10?2 V/m, Assuming that the antenna radiates equally in all directions (which is probably not the case), what is the total power output of the station
Three resistors {R1 = 12.0 ?, R2 = 18.0 ?, and R3 = 36.0 ?} are connected in parallel, and in turn connected to a 70.0 V source with an internal resistance of 1.00 ?. What is the terminal potential of the source
What would the bank angle be for a circular racetrack with radius 120 m so that a car can go around the curve safely at a maximum of 21 m/s
A 2 kilogram block is attached to a horizontal ideal spring with a spring constant of 200 N/m. Estimate the maximum elongation of the spring
The speed of a bobsled is increasing, because it has an acceleration of 2.99 m/s2. compute the magnitude of the net force that acts on the bobsled
Negative charge -Q is distributed uniformly around a quarter-circle of radius a that lies in the first quadrant with the center of curvature at the origin. find the x components and y components of the net electric field at the origin for Q=20uc a..
Through what maximum angle θmax will the reference line turn in the positive direction? What are (b) first and (c) second times the reference line will be at θ = θmax/3? At what (d) negative time and (e) positive time will the reference line be at..
Santa loses his footing and slides down a frictionless, snowy roofthat is tilted at an angle of 27°. If Santa slides8.93 m before reaching the edge, what is his speed as he leaves the roof
Water at a pressure of 4.3 atm at street level flows into an office building at a speed of 0.6 m/s through a pipe 5 cm in diameter. What is the pressure in the top floor pipe
Air that occupies 0.19 cubic meters at 1.03e+05 Pa gauge pressure is expanded isothermally to atmospheric pressure, Compute the work done by the air
A ball is thrown nearly vertically upward from a point near the edge of a tall building. it misses the edge of the building in ts way down and passes a point 160ft below its starting point 5 seconds after it leaves the thrower's hand.
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