for a moving object, the force acting on the object varies directly with the object acceleration, when a force of 20N acts on a certain , the acceleration of the object is 2m/s^2, if the force is changed to 90N what wil be the acceleration of the object

The inside wheels of a car traveling on a circular path are rotating half as fast as the outside wheels. the front two wheels are six feet apart. what is the number of feet in the path traced by the inside front wheel in one trip around the circle? express your answer in the form "k \pi", where k is an integer.

The fraction 7/9 is equivalent to a percent that is greater than 100%. truefalse

It is given that the quadratic equation hx²-3x+k=0, where h and k are constants, has roots [tex] \beta \: and \: 2 \beta [/tex]express h in terms of k