149011 A ball is projected with kinetic energy (KE) at an angle of $45^{\circ}$ to the horizontal. At the highest point during its flight, its kinetic energy will be

149012 Two rectangular blocks $A$ and $B$ of masses $2 \mathrm{~kg}$ and $3 \mathrm{~kg}$ respectively are connected by a spring of spring constant $10.8 \mathrm{Nm}^{-1}$ and are placed on a frictionless horizontal surface. The block $A$ was given an initial velocity of $0.15 \mathrm{~ms}^{-1}$ in the direction shown in the figure, The maximum compression of the spring during the motion is

149013 If we throws a body upwards with velocity of 4 $\mathrm{m} / \mathrm{s}$, at what height does its kinetic energy reduce to half of the initial value?
(Take $\mathrm{g}=10 \mathrm{~ms}^{-2}$ )

149014 An object of mass $m$ is attached to light string which passes through a hollow tube. The object is set into rotation in a horizontal circle of radius $r_{1}$. If the string is pulled shortening the radius to $r_{2}$. The ratio of new kinetic energy to the original kinetic energy is:

149011 A ball is projected with kinetic energy (KE) at an angle of $45^{\circ}$ to the horizontal. At the highest point during its flight, its kinetic energy will be

149012 Two rectangular blocks $A$ and $B$ of masses $2 \mathrm{~kg}$ and $3 \mathrm{~kg}$ respectively are connected by a spring of spring constant $10.8 \mathrm{Nm}^{-1}$ and are placed on a frictionless horizontal surface. The block $A$ was given an initial velocity of $0.15 \mathrm{~ms}^{-1}$ in the direction shown in the figure, The maximum compression of the spring during the motion is

149013 If we throws a body upwards with velocity of 4 $\mathrm{m} / \mathrm{s}$, at what height does its kinetic energy reduce to half of the initial value?
(Take $\mathrm{g}=10 \mathrm{~ms}^{-2}$ )

149014 An object of mass $m$ is attached to light string which passes through a hollow tube. The object is set into rotation in a horizontal circle of radius $r_{1}$. If the string is pulled shortening the radius to $r_{2}$. The ratio of new kinetic energy to the original kinetic energy is:

149011 A ball is projected with kinetic energy (KE) at an angle of $45^{\circ}$ to the horizontal. At the highest point during its flight, its kinetic energy will be

149012 Two rectangular blocks $A$ and $B$ of masses $2 \mathrm{~kg}$ and $3 \mathrm{~kg}$ respectively are connected by a spring of spring constant $10.8 \mathrm{Nm}^{-1}$ and are placed on a frictionless horizontal surface. The block $A$ was given an initial velocity of $0.15 \mathrm{~ms}^{-1}$ in the direction shown in the figure, The maximum compression of the spring during the motion is

149013 If we throws a body upwards with velocity of 4 $\mathrm{m} / \mathrm{s}$, at what height does its kinetic energy reduce to half of the initial value?
(Take $\mathrm{g}=10 \mathrm{~ms}^{-2}$ )

149014 An object of mass $m$ is attached to light string which passes through a hollow tube. The object is set into rotation in a horizontal circle of radius $r_{1}$. If the string is pulled shortening the radius to $r_{2}$. The ratio of new kinetic energy to the original kinetic energy is:

149011 A ball is projected with kinetic energy (KE) at an angle of $45^{\circ}$ to the horizontal. At the highest point during its flight, its kinetic energy will be

149012 Two rectangular blocks $A$ and $B$ of masses $2 \mathrm{~kg}$ and $3 \mathrm{~kg}$ respectively are connected by a spring of spring constant $10.8 \mathrm{Nm}^{-1}$ and are placed on a frictionless horizontal surface. The block $A$ was given an initial velocity of $0.15 \mathrm{~ms}^{-1}$ in the direction shown in the figure, The maximum compression of the spring during the motion is

149013 If we throws a body upwards with velocity of 4 $\mathrm{m} / \mathrm{s}$, at what height does its kinetic energy reduce to half of the initial value?
(Take $\mathrm{g}=10 \mathrm{~ms}^{-2}$ )

149014 An object of mass $m$ is attached to light string which passes through a hollow tube. The object is set into rotation in a horizontal circle of radius $r_{1}$. If the string is pulled shortening the radius to $r_{2}$. The ratio of new kinetic energy to the original kinetic energy is: