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A 1200kg pick up truck traveling south at 15m/s collides witha 750kg car traveling east. The two vehicles stick together. Thefinal position of the wreckage after the collision is 25m, atan angle of 50 south of east, from the point of impact. If thecoefficient of friction between the tires and the road, from thelocation of the collision to the point at which the wreckage comesto rest is 0.4, what was the speed of the car just before the collision?
in a cloud chamber experiment a proton enters a uniform 0.260t magnetic field directed perpendicular to its motion. you
question a tungsten filament used in a flashlight bulb operates at 0.20 a and 3.2 v. if its resistance at 20oc is 1.5?
A lead bullet initially at 26.4oC melts just upon striking a target. calculate the speed of the bullet upon impact
How to create a condition of weightlessness inside aircraft
A standard interior staircase has steps each with a rise (height) of 20 cm and a run (horizontal depth) of 25 cm. Research suggests that the stairs would be safer for descent if the run were, instead, 31 cm.
A sky-diver jumps out of a plane and achives (terminal velocity) before opening his parachute.Explain what is meant by the term terminal velocity,why it occurs and what value of velocity a typical sky diver might experience.Include references to your..
An air puck of mass m1 = 0.24 kg is tied to a string and allowed to revolve in a circle of radius R = 1.0 m on a frictionless horizontal table. What is the horizontal force acting on the puck
A bicycle tire of radius 0.38 m has a piece of gum stuck on its rim. What is the angle through which the tire rotates
Tammy leaves the office, drives 64km due north, then turns onto a second highway and continues in a direction of 33 degrees north of east for 79 km. What is her total displacement from the office
A cup of coffee is sitttinf ona table in an airplane that isflaying at a constant velocity and altidude. What is the maximum acceleration that the plane can have without the cup sliding backward on the table
What is the rate of change entropy of the first reservoir.
At time t1 = 2.00 s, the acceleration of a particle in counterclockwise circular motion is (1.00 m/s2) i + (6.00 m/s2) j. It moves at constant speed. At time t2 = 4.00 s (3/4 of a revolution later), its acceleration is (6.00 m/s2) i + (-1.00 m/s2)..
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