A stone is dropped from the hill at the height of 180 meters. Calculate the time to reach the ground assume acceleration due to gravity is 10 $m/s^2$ and ignore air resistance.

Q. A stone dropped from the top of a tower reaches the ground with a velocity of 58.8 m/s in 6 seconds. Calculate the value of acceleration due to gravity.

Q. An object is dropped from a height of $5m$ and it takes $5s$ to reach the ground. Calculate the acceleration due to gravity at that place.

Q. A stone is released at rest from a height of $45m$ above the horizontal level ground. There is horizontal wind blowing due to whcih stone acquires an additional (in addition to acceleration due to gravity) horizontal acceleration of magnitude $10m/s^2$. Then the net distance traveled by stone before reaching ground is: (Take $g=10m/s^2$ and neglect air resistance)

Q. In a shotput event an athlete throws the shotput of mass $10kg$ with an initial speed of $1m/s$ at ${45}^{\circ }$ from a height $1.5m$ above ground. Assuming air resistance to be negligible and acceleration due to gravity to be $10m/s^2$, the kinetic energy of the shotput when it just reaches the ground will be