Why is repetition important?

a. it ensures more mistakes and more confident results.
b. it ensures fewer mistakes and less confident results.
c. it ensures more mistakes and less confident results.
d. it ensures fewer mistakes and more confident results.

If the wheels lock when braking suddenly the vehicle: a: loses traction b: lose steering wheel ability c: gain speed slightly d: gain steering ability

Multiply or divide to make this english distance conversion. 174 inches = feet (14.5, 58, 2,088, 23)

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