Will give brainliest! question 4(multiple choice worth 2 points) the amount of power has decreased. this is most likely the result of less work being done over a longer period of time. less work being done over a shorter period of time. the same amount of work being done over a longer period of time. the same amount of work being done over a shorter period of time.

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

In the cores of extremely hot red giants, nuclear reactions convert helium to

How does an increase in temperature generally affect the rate of a reaction?