Last Updated On 16-03-2023 - By Jeesha Sara
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 |
Question ID - 50378 :- 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 
m
b.
10 
m
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
+ 8
+ 8
+ 8
= 18
+ 16
= 20
+ 20
= 20
Next Question :
A monochromatic light is incident at a certain angle on an equilateral triangular prism and suffers minimum deviation. If the refractive index of the material of the prism is 
, then the angle of incidence is :
|
a. |
30° |
b. |
45° |
|
c. |
90° |
d. |
60° |
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