Question 1 :
A body is thrown up with an initial velocity u and it covers a maximum height of h, then h is equal to

Question 2 :
Consider a jet traveling at 1000 km/hr. If the jet shoots a laser in the same direction it is traveling, how fast will the laser be traveling relative to the ground?<br>

Question 3 :
A toy rocket is launched straight up. At the exact top of its flight path, which of the following is true?

Question 4 :
A ball of mass m is dropped from a high building and strikes the ground $ 4 $ seconds later. Calculate the height of the building.

Question 5 :
A stone thrown upward with a speed 'u' from the top of the tower reaches the ground with a velocity '3u'. The height of the tower is :-

Question 6 :
A stone is dropped from a tower. It was found that it covered a distance of $45m$ during its last second of the fall. Calculate the time of the fall and the height of the tower? $\left( g=10m{ s }^{ -2 } \right) $

Question 8 :
Consider a car traveling west at 60 MPH. The passenger throws a ball in the same direction the car is traveling. If the passenger clocks the speed of the ball at 40 MPH, what is the speed of the ball relative to the road?<br>

Question 9 :
A stone is dropped from a building and $2$ seconds later another stone is dropped. How far apart are these two stones by the time the first one reaches a speed of $30m{ s }^{ -1 }$? (Take $g=10m{ s }^{ -2 }$)

Question 10 :
<p>A helicopter is flying south with a speed of $50\ kmh^{-1}$. A train is moving with the same speed towards east. The relative velocity of the helicopter as seen by the passengers in the train will be $50 \sqrt {2}\ kmh^{-1}$ towards</p>

Question 11 :
How do the directions of velocity and acceleration act when brakes are applied to a moving cycle?

Question 12 :
The acceleration of a body projected upwards with a certain velocity is

Question 13 :
A bowling ball is rolling westward and slowing down as it approaches the end of the alley. The direction of the bowling ball's acceleration is :

Question 14 :
A ball is dropped off a high building and strikes the ground with an impact velocity of 30 m/s. Calculate the height of building :<br/>

Question 15 :
A ball is thrown vertically up. If the ball reached at maximum height in $3s$. Assume air resistance is negligible.&#160;The magnitude of the acceleration of the ball at the instant it reaches its maximum height is most nearly:

Question 16 :
A ball is thrown vertically up. If the ball reached at maximum height in $3s$. Assume air resistance is negligible.&#160;The magnitude of the acceleration of the ball at the instant it reaches its maximum height is most nearly:

Question 17 :
A stone is thrown upwards with a velocity $50 mg^{-1}$. Another stone is simultaneously thrown downwards from the same location with a velocity $50 ms^{-1}$. When the first stone is at the highest point, the relative velocity of the second stone w.r.t. the first stone is:

Question 18 :
Two particles A and B having different masses are projected from a tower with same speed. A is projected vertically upward and B vertically downward. On reaching the ground.<br>

Question 19 :
A balloon is rising vertically up with a velocity of $29$ $ms^{-1}$. A stone is dropped from it and it reaches the ground in $10$s. The height of the balloon when the stone was dropped from it is: $(g=9.8 ms^{-1})$.

Question 20 :
A particle experiences constant acceleration for $20 s$ after starting from rest. If it travels a distance ${X}_{1}$, in the first $10 s$ and distance ${X}_{2}$, in the remaining $10 s$, then which of the following is true ?

Question 21 :
A train is moving towards east and a car is along north, both with same speed. The observed direction of car to the passenger in the train is&#160;

Question 22 :
Acceleration of a body projected upwards with a certain velocity is

Question 23 :
A rubber ball dropped from a certain height is an example of

Question 24 :
A ball is thrown vertically upward with speed $10$ m/s and it returns to the ground with speed $8$ m/s. A constant air resistance acts. The maximum height attained by the ball is?

Question 25 :
A body falls from a height $h=200\ m$.The ratio of distance travelled in each $2 sec$ during $t=0$ to $t=6\ sec$ of the journey is

Question 26 :
If two particles of masses $3kg$ and $6kg$&#160;which are at rest are separated by a distance of $15m$. The two particles are moving towards each other under a mutual force of&#160;attraction. Then the ratio of distances travelled&#160;by the particles before collision is&#160;<br/>

Question 27 :
A&#160;body&#160;projected&#160;vertically&#160;up&#160;with&#160;a&#160;velocity&#160;of&#160;10&#160;m $s^{-1}$&#160;reaches&#160;a&#160;height&#160;of&#160;20&#160;m.&#160;If&#160;it&#160;is&#160;projected with a velocity of 20 m $s^{-1}$&#160;then the maximum height reached by the body will be :

Question 28 :
Two bodies of masses $20 kg$ and $15 kg$ are dropped from the top of a building. At any instant during the fall, which of the following properties that both the bodies posses is equal in magnitude?

Question 29 :
An iron ball and a wooden ball of the same radius are released from a height H in vacuum. The times taken by both of them of reach the ground are

Question 30 :
<p>A sign convention is used, the positive direction for position, velocity and acceleration is upward. A ball of mass m is thrown upward with velocity $V$ and caught during returning. Identify the signs of position, velocity and acceleration during ascending part of the trajectory.<br/></p><table class="wysiwyg-table"><tbody><tr><td></td><td>Position</td><td>Velocity</td><td>Acceleration</td></tr><tr><td>(A)</td><td>Positive</td><td>Positive</td><td>Positive</td></tr><tr><td>(B)</td><td>Positive</td><td>Positive</td><td>Negative</td></tr><tr><td>(C)</td><td>Positive</td><td>Negative</td><td>Negative</td></tr><tr><td>(D)</td><td>Negative</td><td>Positive</td><td>Negative</td></tr><tr><td>(E)</td><td>Negative</td><td>Negative</td><td>Negative</td></tr></tbody></table>