To test the performance of its tires, a car travels along a perfectly flat (no banking) cir-
cular track of radius 284 m. The car increases
its speed at uniform rate of
at
4.8 m/s?
dt
until the tires start to skid.
If the tires start to skid when the car reaches
a speed of 39.6 m/s, what is the coefficient of
static friction between the tires and the road?

In a closed system, the total energy prior to an energy transformation is the total energy after. a. equal to b. unrelated to c. greater than d. less than

(1 point) match the differential equations and their vector valued function solutions. you may wish to multiply at least one solution out fully, to make sure that you know how to do it. you can get the other answers quickly by process of elimination and just multiply out one row element.

Acharge q experiences no net force at a particular point in space. which of the following situations described below must always be true? -there are no other charges nearby. -if there are other charges nearby, they must all have the same sign as q. -if there are other charges nearby, they must all have the opposite sign of q. -if there are other charges nearby, the total positive charge must equal the total negative charge. -none of the above