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Sushmita asked a question
Subject: Physics, asked on on 3/5/17
When a particle is projected at some angles to the horizontal,it has a range R and time of flight t1. If the same particle is projected with same speed at some other angle to have the same range its time of flight is t2, then,
1. t1 + t2 = 2R/g
2. t1 - t2 = R/g
3. t1t2 = 2R/g
4. t1t2 = R/g
Jay Shah asked a question
Subject: Physics, asked on on 1/1/17
A particle is moving in a circle of radius R with initial speed v. It starts retarding with constant retardation of v2 / 4πR. The number of revolutions it makes in time 8πR/v is ?
V Sukram asked a question
Subject: Physics, asked on on 26/6/17
Prove that vector A + vector B = vector B + vector A . Hurry it's urgent.
Janhavi Shedge asked a question
Subject: Physics, asked on on 31/10/17
A shot is fired at an angle of theta to the horizontal such that it strikes the hill while moving horizontally. Find the initial angle of projection.
Davinder Singh asked a question
Subject: Physics, asked on on 15/3/17
What is the phenomenon of capillarity? Derive expression for the rise of liquid in a capillary tube.
Janhavi Shedge asked a question
Subject: Physics, asked on on 21/9/17
From a point on the ground at a distance 'a' from the foot of a pole, a ball is thrown at an angle of 45 degrees, which just touches the top of the pole and strikes the ground at a distance of 'b', on the other side of it. Find the height of the pole.
Abhishek Paul asked a question
Subject: Physics, asked on on 27/4/17
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Arundhati Santosh asked a question
Subject: Physics, asked on on 18/8/17
The displacement –time graph for two particles A and B are straight lines inclined at angles 300 and 600 respectively with time axis. What is the ratio​ Va : Vb ​of thier velocities?
Madhura Mandal asked a question
Subject: Physics, asked on on 10/8/17
A projectile is fired from the ground with speed 40 m/s and its speed at maximum height is 20 m/s.what is the maximum height gained by the projectile?
Vatsala Hariharan asked a question
Subject: Physics, asked on on 26/8/17
If A=4i cap - 4j cap - 3k cap and B=6i cap + 8j cap , then magnitude and direction of A+B with z-axis will be ?
Soumya N asked a question
Subject: Physics, asked on on 14/4/18
Please explain this

21.  If a person can throw a stone to maximum height of  h meter vertically, then the maximum distance through which it can be thrown horizontally by the same person is

a.  h/2                          b.  h                               c. 2h                                     d. 3h
Janhavi Shedge asked a question
Subject: Physics, asked on on 7/8/17
A diver makes 2.5 complete revolutions on the way from a 10m platform in the water below . Assuming initial vertical velocity to be zero. Calculate the average angular velocity for this dive.
Vatsala Hariharan asked a question
Subject: Physics, asked on on 26/8/17
A force F=(6 i cap -8 j cap + 10 k cap ) N produces an acceleration of 1 m/s square in a body . The mass of the body would be?
Janhavi Shedge asked a question
Subject: Physics, asked on on 14/9/17
A body is moving in a circle with a uniform speed v .What is magnitude of the change in the velocity when the radius vector describes an angle of theta. A zero B 2v cos (theta /2) C 2v sin (theta/2)
Arundhati Santosh asked a question
Subject: Physics, asked on on 20/8/17
Obtain the expression for minimum speed possessed by a body at top most point and lower most point to just loop a circle in vertical plane.
Davinder Singh asked a question
Subject: Physics, asked on on 15/3/17
The centripetal force is given by F = mv 2 / r
The mass m‚ velocity v ‚ and radius r‚ of the circular path of an object are 0.5 kg, 10 m/s and 0.4 m respectively. If m, v, and r are measured to accuracies of 0.005 kg, 0.01 m/s and 0.01 m respectively , find percentage error in the force acting on the body
Arundhati Santosh asked a question
Subject: Physics, asked on on 17/8/17
​Two balls are thrown vertically, one with an initial velocity twice that of the other .What will be the maximum  height of the ball thrown with greater velocity in terms of the other ?
Haseena Vannanchalil asked a question
Subject: Physics, asked on on 15/3/17
elocity of a particle with time t is given by v¯=ti^+t2j^ m s-1 Its radial acceleration at t = 1 s is (in m s-2)
Arundhati Santosh asked a question
Subject: Physics, asked on on 19/8/17
Write  the condition under which net acceleration of a particle in circular motion is not towards the centre of the circular path.
Janhavi Shedge asked a question
Subject: Physics, asked on on 13/9/17
Consider the effect of only rotation of the earth on certain points on the earth's surface. What is the angular speed about the polar axis of a point on the earth's surface at a latitude of 40 degrees N ? What is the linear speed?
Rohit Garg asked a question
Subject: Physics, asked on on 27/8/17
Q.13
Abhishek Paul asked a question
Subject: Physics, asked on on 21/5/17
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Abhishek Paul asked a question
Subject: Physics, asked on on 24/4/17
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