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The cylindrical tube of a spray pump has radius R, one end of which has n fine holes, each of radius r. If the speed of the liquid in the tube is V, the speed of the ejection of the liquid through the holes is:
29
Aug
The cylindrical tube of a spray pump has radius R, one end of which has n fine holes, each of radius r. If the speed of the liquid in the tube is V, the speed of the ejection of the liquid through the holes is: each of radius r. If the speed of the liquid [...]
In the Fig shown, mass ‘m’ is being pulled on the incline of a wedge of mass M. All the surface are smooth. Find the acceleration of the wedge.
29
Aug
In the Fig shown, mass ‘m’ is being pulled on the incline of a wedge of mass M. All the surface are smooth. Find the acceleration of the wedge. In the Fig shown mass 'm' is being pulled on the incline of a wedge of mass M. All the surface are smooth. Find the acceleration [...]
A wind with speed 40 m/s blows parallel to the roof of a house. The area of the roof is 250 m^2. Assuming that the pressure inside the house is atmospheric pressure, the force exerted by the wind on the roof and the direction of the force will be (ρair=1.2 kg/m^3)
29
Aug
A wind with speed 40 m/s blows parallel to the roof of a house. The area of the roof is 250 m^2. Assuming that the pressure inside the house is atmospheric pressure, the force exerted by the wind on the roof and the direction of the force will be (ρair=1.2 kg/m^3) A wind with speed [...]
For a satellite moving in an orbit around the earth, the ratio of kinetic energy to potential energy is
29
Aug
For a satellite moving in an orbit around the earth, the ratio of kinetic energy to potential energy is For a satellite moving in an orbit around the earth the ratio of kinetic energy to potential energy is August 29, 2020 Category: Chapter 12 - Gravitation , NEET Last 32 Years Solved 1988 - 2019 [...]
Consider a system of a small body of mass m kept on a large body of mass M placed over an inclined plane of the angle of inclination theta to the horizontal. Find the acceleration of m when the system is set in motion. Assume an inclined plane to be fixed. all the contact surfaces are smooth.
29
Aug
Consider a system of a small body of mass m kept on a large body of mass M placed over an inclined plane of the angle of inclination theta to the horizontal. Find the acceleration of m when the system is set in motion. Assume an inclined plane to be fixed. all the contact surfaces [...]
Two satellites of earth, S1 and S2, are moving in the same orbit. The mass of S1 is four times the mass of S2. Which of the following statements is true?
29
Aug
Two satellites of earth, S1 and S2, are moving in the same orbit. The mass of S1 is four times the mass of S2. Which of the following statements is true? are moving in the same orbit. The mass of S1 is four times the mass of S2. Which of the following statements is true? [...]
The radii of circular orbits of two satellites A and B of the earth are 4 R and R, respectively. if the speed of satellite A is 3 v, then the speed of satellite B will be:
29
Aug
The radii of circular orbits of two satellites A and B of the earth are 4 R and R, respectively. if the speed of satellite A is 3 v, then the speed of satellite B will be: respectively. if the speed of satellite A is 3 v The radii of circular orbits of two satellites [...]
A block of mass m can slide freely along the verticle surface of a bigger block of mass M as shown in fig. There is no friction anywhere in the system. The block m is connected to one end is fixed at point P.
29
Aug
A block of mass m can slide freely along the verticle surface of a bigger block of mass M as shown in fig. There is no friction anywhere in the system. The block m is connected to one end is fixed at point P. A block of mass m can slide freely in a slot [...]
A geostationary satellite is orbiting the earth at a height of 5 R above the surface of the earth. R being the radius of the earth.The time period of another satellite in hours at a height 2 R form the surface of the earth is
29
Aug
A geostationary satellite is orbiting the earth at a height of 5 R above the surface of the earth. R being the radius of the earth.The time period of another satellite in hours at a height 2 R form the surface of the earth is A satellite S is moving in an elliptical orbit around [...]
A block of mass m can slide freely in a slot made in a bigger blocks of mass M as shown in figure. Their is no friction anywhere in the system
29
Aug
A block of mass m can slide freely in a slot made in a bigger blocks of mass M as shown in figure. Their is no friction anywhere in the system A block of mass m can slide freely in a slot made in a bigger blocks of mass M as shown in figure. Their [...]