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Assume that a cement truck with a mass of 10,000 kg hits you while you were stopped at a traffic light, and that you are driving a Yugo with a mass of 750 kg. If the truck was traveling at 15 mph and the crash makes you stick together (you and the truck have the same final velocity), what is your final velocity? Ignore friction with the road. If the crash impact took 0.2 s, what was your average acceleration? Convert it to units of g, the acceleration of gravity. Solve the previous problem assuming you are in the cement truck instead of the Yugo. In which vehicle would you rather ride out the crash? Why How much kinetic energy was lost during the collision? What percentage of the initial kinetic energy of the truck was lost during the collision?
A piece of copper wire has a resistance per unit length of 6.45 10-3 ?/m, Find the magnetic field strength at the center of the coil
A particle of rest energy mc^2 is moving with speed v in the positive x direction. The particle decays into two particles, each of rest energy 140 MeV. Find the rest energy of the original particle
The radius of the aorta is about 1.0cm , and the blood passing through it has a speed of about 46cm/s, Calculate the pressure drop per cm along the aorta.
A certain type of laser emits light that has a frequency of 6.0 × 1014 Hz. The light, however, occurs as a series of short pulses, each lasting for a time of 2.8 × 10-11 s. How many wavelengths are there in one pulse
A concave mirror used by a person who is shaving or applying makeup creates a virtual image of the face that is 1.60 times larger than the person's actual face, Determine the image distance and focal length
While painting the top of an antenna 206 m in height, a worker accidentally lets a 1.30-L water bottle fall from his lunchbox. The bottle lands in some bushes at ground level and does not break. If a quantity of heat equal to the magnitude of the cha..
The top-most tooth is protruding slightly, and the tension in the wire exerts two forces, what is the magnitude of the net force exerted on the tooth
A 10 m long conductor is formed into a circle in the xy-plane. Find the magnetic flux through the looped conductor
A 75-kg canoeist stands in the middle of her 20-kg canoe. The canoe is 3.0 m long, Calculate the distance from the canoeist to shore
The first part of the equation was to derive t= integral [1/sqrt((2/m)(E-U(x))] dx Part b is where I got stuck. Suppose U(x) = C/x for x>0.Calculate the time for a particle to move from x0 to 5x0 starting form rest at x0. Leave answer in terms of ..
Find the expression for the electric field, E? , of the ring as the point P becomes very far from the ring (x >> R) in terms of the radius R
A metal ball with a mass of 2.97·10-6 kg and a charge of +4.91 mC has a kinetic energy of 6.81·108 J. how close will it come to the plane before stopping
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