Physics-
General
Easy
Question
An aeroplane is heading north east at a speed of 
. The northward component of its velocity is
-
- zero
The correct answer is:
Related Questions to study
physics-
A car moves 40m due east and turns towards north and moves 30m then turns 
east of north and moves 
The net displacement of car is (east is taken positive x -axis, North as positive y - axis)
A car moves 40m due east and turns towards north and moves 30m then turns east of north and moves The net displacement of car is (east is taken positive x -axis, North as positive y - axis)
physics-General
physics-
In a right angled triangle the three vectors 
and 
add to zero. is
In a right angled triangle the three vectors and add to zero. is
physics-General
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Two billiard balls are moving on a table and the component velocities along the length and breadth are 5,5 ms-1 for one ball 
, 2ms-1 for the other ball the angle between the motion of balls is
Two billiard balls are moving on a table and the component velocities along the length and breadth are 5,5 ms-1 for one ball , 2ms-1 for the other ball the angle between the motion of balls is
physics-General
physics-
If the system is in equilibrium (cos 
= 3/5), then the value of 'P' is
If the system is in equilibrium (cos = 3/5), then the value of 'P' is
physics-General
physics-
A cyclic process ABCA is shown in the V-T diagram. Process on the P-V diagram is
A cyclic process ABCA is shown in the V-T diagram. Process on the P-V diagram is
physics-General
physics-
Work done in the given P-V diagram in the cyclic process is
Work done in the given P-V diagram in the cyclic process is
physics-General
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The temperature-entropy diagram of a reversible engine cycle is given in the figure. Its efficiency is
The temperature-entropy diagram of a reversible engine cycle is given in the figure. Its efficiency is
physics-General
physics-
Carnot cycle (reversible) of a gas represented by a Pressure-Volume curve is shown in the diagram
Consider the following statements
I).Area ABCD = Work done on the gas
II).Area ABCD = Net heat absorbed
III).Change in the internal energy in cycle = 0
Which of these are correct
Carnot cycle (reversible) of a gas represented by a Pressure-Volume curve is shown in the diagram
Consider the following statements
I).Area ABCD = Work done on the gas
II).Area ABCD = Net heat absorbed
III).Change in the internal energy in cycle = 0
Which of these are correct
physics-General
physics-
A cyclic process ABCD is shown in the figure P-V diagram. Which of the following curves represent the same process
A cyclic process ABCD is shown in the figure P-V diagram. Which of the following curves represent the same process
physics-General
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A cyclic process for 1 mole of an ideal gas is shown in figure in the V-T, diagram. The work done in AB, BC and CA respectively
A cyclic process for 1 mole of an ideal gas is shown in figure in the V-T, diagram. The work done in AB, BC and CA respectively
physics-General
physics-
In the following indicator diagram, the net amount of work done will be
In the following indicator diagram, the net amount of work done will be
physics-General
physics-
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
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
physics-General
physics-
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
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
physics-General
physics-
In pressure-volume diagram given below, the isochoric, isothermal, and isobaric parts respectively, are
In pressure-volume diagram given below, the isochoric, isothermal, and isobaric parts respectively, are
physics-General
physics-
Four curves A, B, C and D are drawn in the adjoining figure for a given amount of gas. The curves which represent adiabatic and isothermal changes are
Four curves A, B, C and D are drawn in the adjoining figure for a given amount of gas. The curves which represent adiabatic and isothermal changes are
physics-General
