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A 601 kg car stopped at an intersection is rear-ended by a 1420 kg truck moving with a speed of 11.5 m/s. If the car was in neutral and its brakes were off, so that the collision is approximately elastic, what is the final speed of both vehicles after the collision?
A 1400 kg car enters a passing zone and accelerates from 70km/h to 95 km/h to pass a slower car. how much work is done on it
How long did it take for officer to catch up to the car.
A damped oscillator is described by the equation m [(x)\ddot] = -b [(x)\dot] - kx . What is the condition for critical damping? Assume this condition is satisfied.
A laser beam strikes one end of a slab of material, Determine the number of internal reflections of the beam before it emerges from the opposite end of the slab
In determining the specific heat of a new metal alloy, 150g ofthe substance is heated to 400C and then placed in a 200g aluminiumcalorimeter containing 400g of water at 10C. If the finaltemperature of the mixture is 30.5C, what is the specific hea..
A wheel of diameter 24.0 cm is constrained to rotate in the xy plane, about the z axis, which passes through its center. What is the torque about the rotation axis at this instant
Consider a model thermodynamic system in which the allowed (nondegeerate) energy levels are 0, E, 2E, 3E. Determine how many macrostates are possible
A boat carrying a load of bricks is floating in a canal lock. One of the crew members throws a brick overboard, and it sinks. Does the level of the water in the lock rise or fall
in music two notes are said to be an octave apart when one note is exactly twice the frequency of the other. suppose
q1. two wires each 28.15 cm long are connected to two separate 9.00 v batteries as shown in the figure. the resistance
a constant horizontal pull of 8.50 n drags a box along a horizontal floor through a distance of 17.4m. a how much does
A turtle ambles leisurely–as turtles tend to do–when it moves from a location with position vector r1,x = 1.97 m and r1,y = -2.35 m in a lettuce garden to another location, with position vector r2,x = 3.15 m and r2,y = -4.15 m, where the lettuce a..
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