Physics
A particle of mass ‘m’ moving with velocity ‘v’ collides with stationary particle of mass 2m making inelastic collision Then the speed of the system after collision is :
17
Oct
A particle of mass ‘m’ moving with velocity ‘v’ collides with stationary particle of mass 2m making inelastic collision Then the speed of the system after collision is : A particle of mass 'm' moving with velocity 'v' collides with stationary particle of mass 2m making inelastic collision Then the speed of the system after [...]
A spring 40 mm long spring is stretched by applying a force. If 10 N force is required to stretch the spring through one mm, then work done in stretching the spring through 40 mm is :
17
Oct
A spring 40 mm long spring is stretched by applying a force. If 10 N force is required to stretch the spring through one mm, then work done in stretching the spring through 40 mm is : A spring 40 mm long spring is stretched by applying a force. If 10 N force is required [...]
The spring extends by x on loading, then energy stored by the spring is (if T is the tension in spring and k is the spring constant).
17
Oct
The spring extends by x on loading, then energy stored by the spring is (if T is the tension in spring and k is the spring constant). The spring extends by x on loading then energy stored by the spring is (if T is the tension in spring and k is the spring constant). October [...]
Kinetic energy, with any reference, must be
17
Oct
Kinetic energy, with any reference, must be Kinetic energy must be with any reference October 17, 2020 Category: AIIMS Last 24 Years Solved 1996 - 2019 Physics and Chemistry Video Solutions , Chapter 7 - Work, Energy and Power , Physics ,
A cart has mass 2 metric ton and sand of 1 metric ton is inside the cart. Now a force of 10 N is applied on cart and sand starts to leak with rate of 0.5 kg/s. What is the velocity of cart when total sand has come out from the cart ?
17
Oct
A cart has mass 2 metric ton and sand of 1 metric ton is inside the cart. Now a force of 10 N is applied on cart and sand starts to leak with rate of 0.5 kg/s. What is the velocity of cart when total sand has come out from the cart ? A stone [...]
A bomb moving with velocity (40i+50j−25k)m/s explodes into two pieces of mass ratio 1:4. After explosion the smaller piece moves away with velocity (40i+50j+25k)m/s. The velocity of larger piece after explosion is .
17
Oct
A bomb moving with velocity (40i+50j−25k)m/s explodes into two pieces of mass ratio 1:4. After explosion the smaller piece moves away with velocity (40i+50j+25k)m/s. The velocity of larger piece after explosion is . A stone of mass 0.3 kg attached to a 1.5m long string is whirled around in a horizontal circle at a speed [...]
A boy stands on a weighing machine inside a lift. When the lift is going down with acceleration g/4 the machine shows a reading 30 kgf. When the lift goes upwards with acceleration g/4 the reading would be
17
Oct
A boy stands on a weighing machine inside a lift. When the lift is going down with acceleration g/4 the machine shows a reading 30 kgf. When the lift goes upwards with acceleration g/4 the reading would be A stone of mass 0.3 kg attached to a 1.5m long string is whirled around in a [...]
Same spring is attached with 2kg , 3kg and 1kg blocks in three different cases as shown in figure. If x1 , x2 and x3 be the extensions in the soring in these cases then
17
Oct
Same spring is attached with 2kg , 3kg and 1kg blocks in three different cases as shown in figure. If x1 , x2 and x3 be the extensions in the soring in these cases then 3kg and 1kg blocks in three different cases as shown in figure. If x1 Same spring is attached with 2kg [...]
Consider the system shown in figure. The pulley and the string are light and all the surface are frictionless. The tension in the string is (Take g =10m/s^2)
17
Oct
Consider the system shown in figure. The pulley and the string are light and all the surface are frictionless. The tension in the string is (Take g =10m/s^2) Consider the system shown in figure. The pulley and the string are light and all the surface are frictionless. The tension in the string is (Take g [...]
A stone of mass 0.3 kg attached to a 1.5m long string is whirled around in a horizontal circle at a speed of 6 m/s. The tension in the string is?
17
Oct
A stone of mass 0.3 kg attached to a 1.5m long string is whirled around in a horizontal circle at a speed of 6 m/s. The tension in the string is? A stone of mass 0.3 kg attached to a 1.5m long string is whirled around in a horizontal circle at a speed of 6 [...]