10. a cylinder with a movable piston contains 4.00 l of a gas at 30°c and 5.00 bar. the pistonis slowly moved to compress the gas to 8.00 bar. a) considering the system to be the gas in the cylinder and neglecting potential energy(pe), write and simplify the closed-system energy balance. do not assume that theprocess is isothermal. b) suppose the process is carried out isothermally, and the compression work done onthe gas equals 7.65 l-bar, if the gas is such that the internal energy is a function ofonly temperature, how much heat (in j) is transferred to or from (state which) thesurroundings

Kinetic energy = 1/2mv^2. since the mass is constant we can form a ratio of it's kinetic energy at 60 divided by that at 30 to see ke(60)/ke(30) = +(60^2)/30^2). this may be said to 300% increase.

The car would move to the right with 150 n of force. the 150 n of force from friction and air resistance slows the car from moving to the right with 300 n of force.

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You need to be more specific.  i really don't know what a "motion map" is.you can draw a graph of an object's position, distance, displacement, speed,velocity, or acceleration versus time, or you can draw a graph of the object's x-position versus its y-position and not give any information about time at all.if the graph presents position or displacement against time,  then constant velocity is a straight line . . i.e. a line that has  constant slope.if the graph shows speed against time, then constant velocityis a horizontal piece of line.if the graph shows acceleration against time, then constant  velocity is a piece of line that lies on the x-axis . . it's value is zero.