Back

A missile is launched with a velocity less than the escape velocity. The sum of its kinetic and potential energy is

(a)      Positive

(b)  Negative

(c)   Zero

(d)  May be positive or negative depending upon its initial velocity

Answer: b

(8)

5/5 - (2 votes)

Related Posts:

Powered by Contextual Related Posts

Raman

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 !!