A particle moves from the point (2.0) m, at t = 0, with an initial velocity (5.0
+4.0
) ms−1. It is acted upon by a constant force which produces a constant acceleration (4.0
4.0
) ms−2. What is the distance of the particle from the origin at time 2 s?
a. |
20 |
b. |
10 |
c. |
5 m |
d. |
15 m |
A particle moves from the point (2.0) m, at t = 0, with an initial velocity (5.0
+4.0
) ms−1. It is acted upon by a constant force which produces a constant acceleration (4.0
4.0
) ms−2. What is the distance of the particle from the origin at time 2 s?
a. |
20 |
b. |
10 |
c. |
5 m |
d. |
15 m |
= (5
+ 4
)2 +
(4
+ 4
)4
= 10 + 8
+ 8
+ 8
= 18
+ 16
= 20
+ 20
= 20