A 5 kg object is moving horizontally at 6 m/s. In order to change its speed to 10 m/s, the net work done on the object must be |
|||||||
(a) |
40 J |
(b) |
90 J |
(c) |
160 J |
(d) |
20 J |
A 5 kg object is moving horizontally at 6 m/s. In order to change its speed to 10 m/s, the net work done on the object must be |
|||||||
(a) |
40 J |
(b) |
90 J |
(c) |
160 J |
(d) |
20 J |