Aflywheel with a diameter of 1.63 m is rotating at an angular speed of 79.9 rev/min. (a) what is the angular speed of the flywheel in radians per second? (b) what is the linear speed of a point on the rim of the flywheel? (c) what constant angular acceleration (in revolutions per minute-squared) will increase the wheel's angular speed to 675 rev/min in 63.0 s? (d) how many revolutions does the wheel make during that 63.0 s?

Astone is thrown with a speed v0 and returns to earth, as the drawing shows. ignore friction and air resistance, and consider the initial and final locations of the stone. which one of the following correctly describes the change δpe in the gravitational potential energy and the change δke in the kinetic energy of the stone as it moves from its initial to its final location? options a.δpe = 0 j and δke = 0 j b.δpe is positive and δke is negative c.δpe = 0 j and δke is positive d.δpe is negative and δke is positive e.δpe = 0 j and δke is negative