The chart shows data for four moving objects. Object
W
Х
Y
Z
Initial Velocity
(m/s)
11
10
12
20
Final Velocity
(m/s)
29
34
40
28
Change in
Time (s)
6
12
7
8
NIS
Which object has the greatest acceleration?
OW
ОХ
Ο Υ
O Z

Which best represents the law of conservation of mass ?

By what factor does the drag force on a car increase as it goes from 65 to 110 km/h?

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