Back

23. Two masses m1 and m2 (m1 > m2) are connected by massless flexible and inextensible string passed over massless and frictionless pulley. The acceleration of centre of mass is

(a)     (m1 – m2  /  m1 + m2  ) 2  g

(b) m1 – m2  / m1 + m2     g

(c)  m1 + m2 /   m1 – m2    g

(d)  Zero

Ans . a

(24)

Rate this post

Related Posts:

Powered by Contextual Related Posts

Shilpa

You may also like

12. An ideal gas is taken through the cycle A→ B → C → A, as shown in the figure. If the net heat supplied to the gas in the cycle is 5 J, the work done by the gas in the process C → A is
05/09/2022

(a)      – 5 J (b)  – 10 J (c)   – 15 J (d)  – 20 J Answer-a (118)

11. The P-V diagram of a system undergoing thermodynamic transformation is shown in figure. The work done on the system in going from A → B → C is 50 J and 20 cal heat is given to the system. The change in internal energy between A and C is
05/09/2022

(a)      34 J (b)  70 J (c)   84 J (d)  134 J Answer-d (202)

error: Content is protected !!