Physics-
General
Easy
Question
Two balls each of mass are placed on the vertices and of an equilateral triangle of side 1m. A ball of mass 2 is placed at vertex . The centre of mass of this system from vertex (located at origin) is
The correct answer is:
The centre of mass is given by
m
Centre of mass is .
Related Questions to study
physics-
Three identical spheres, each of mass 1 kg are kept as shown in figure below, touching each other, with their centers on a straight line. If their centres are marked ,, respectively, the distance of centre of mass of the system from is
Three identical spheres, each of mass 1 kg are kept as shown in figure below, touching each other, with their centers on a straight line. If their centres are marked ,, respectively, the distance of centre of mass of the system from is
physics-General
chemistry-
WhatweightofHNO3isneededtoconvert 62gmofP4 inH3PO4 in the reaction? P4 +HNO3 →H3PO4 +NO2 +H2O
WhatweightofHNO3isneededtoconvert 62gmofP4 inH3PO4 in the reaction? P4 +HNO3 →H3PO4 +NO2 +H2O
chemistry-General
physics-
The distance of the centre of mass of the -shaped plate from is
The distance of the centre of mass of the -shaped plate from is
physics-General
physics-
Look at the drawing given in the figure, which has been drawn with ink of uniform line-thickness. The mass of ink used to draw each of the two inner circles, and each of the two line segments is . The mass of ink used to draw the outer circle is 6. The coordinates of the centres of the different parts are : outer circle (0, 0) left inner circle (-), right inner circle () vertical line (0, 0) and horizontal line (0, -). The - coordinate of the centre of mass of the ink in the drawing is
Look at the drawing given in the figure, which has been drawn with ink of uniform line-thickness. The mass of ink used to draw each of the two inner circles, and each of the two line segments is . The mass of ink used to draw the outer circle is 6. The coordinates of the centres of the different parts are : outer circle (0, 0) left inner circle (-), right inner circle () vertical line (0, 0) and horizontal line (0, -). The - coordinate of the centre of mass of the ink in the drawing is
physics-General
chemistry-
The enthalpy and entropy change for reaction Br2(l)+Cl2(g)→2BrCl(g)are30KJmol–1and 105JK–1mol–1respectively.Thetemperature at which the reaction will be in equilibrium is-
The enthalpy and entropy change for reaction Br2(l)+Cl2(g)→2BrCl(g)are30KJmol–1and 105JK–1mol–1respectively.Thetemperature at which the reaction will be in equilibrium is-
chemistry-General
chemistry-
Assume each reaction is carried out in an open container. For which reaction will DH=DE?
Assume each reaction is carried out in an open container. For which reaction will DH=DE?
chemistry-General
Maths-
Marks scored by 100 students in a 25 marks unit test of Mathematics is given below Their median is
Marks scored by 100 students in a 25 marks unit test of Mathematics is given below Their median is
Maths-General
Maths-
The mode for the following frequency distribution
The mode for the following frequency distribution
Maths-General
Maths-
The median of the following data is
The median of the following data is
Maths-General
Maths-
The median of the following data is
The median of the following data is
Maths-General
Maths-
The median from the following data is
The median from the following data is
Maths-General
Maths-
The median of the following frequency distribution
The median of the following frequency distribution
Maths-General
Maths-
The value of median for the data given below is
The value of median for the data given below is
Maths-General
chemistry-
Which of the following solutions has the highest normality-
Which of the following solutions has the highest normality-
chemistry-General
Maths-
The frequency distribution of the marks obtained by 100 students in a test carrying 50 marks is given below Then the mean is
The frequency distribution of the marks obtained by 100 students in a test carrying 50 marks is given below Then the mean is
Maths-General