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A(n) 7.8-kg object is sliding across the ice at 2.34 m/s in the positive x direction. An internal explosion occurs, splitting the object into two equal chunks and adding 19J of kinetic energy to system. The explosive separation takes place over a 0.16-s time interval. Assume that the one of the chunks after explosion moves in the positive xdirection. The x component of the average acceleration of this chunk during the explosion is a_frontx, the x component fo the average acceleration of the other chunk during the explosion is a_rearx.
A. What are the x components of the average accelerations of the two chunks during the explosion?
A 1380-kg racecar is driving around a circular track of radius 157 m, What is the magnitude of the net force acting on the vehicle at this time and the force's direction relative to the velocity
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