Question
Question: In the acceleration of the system will be -...
In the acceleration of the system will be -
A
0.5 ms–2
B
0.6 ms–2
C
0.7 ms–2
D
0.8 ms–2
Answer
0.7 ms–2
Explanation
Solution
a = (m1+m2)(m1sinα−m2sinβ).g
= 40+3040(1/2)−30(1/2)(9.8)
= 7020−15 × 9.8 = 0.7 m/s2