Question 1 :
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 3 :
Two stones are dropped from the top of a tower at half a second apart. The time after dropping the first stone at which the distance between the two stones is 20 m is $$(g = 10 ms^{-2})$$
Question 4 :
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 5 :
A body thrown up with a finite speed is caught back after 4 sec. The speed of the body with which it is thrown up is
Question 6 :
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 7 :
A block is released from rest at the top of a frictionless inclined plane 16 m long. It reaches the bottom 4 sec later. A second block is projected up the plane from the bottom at the instant the block is released in such a way that it returns to the bottom simultaneously with first block. The acceleration of each block on the incline is
Question 8 :
If a ball is thrown vertically upwards with 40 m/s its velocity after two second will be:-
Question 9 :
A stone dropped from the roof of a building takes 4 s to reach the ground. The height of the building is.
Question 10 :
The acceleration of a body projected upwards with a certain velocity is
Question 11 :
A purple car is moving three times as fast as a yellow car. Each car slows down to a stop with the same constant acceleration.<br>How much more distance is required for the purple car to stop?
Question 12 :
A ball is thrown upward with a velocity of 100m/s it will reach the ground after :-
Question 13 :
Consider a car moving on a straight roads with a speed of $$ 100 m/s$$. The distance at which car can be stopped is $$\left[ { \mu }_{ x }=0.5 \right] $$
Question 14 :
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 15 :
A team of skydivers jumps from a plane and holds hands to form a flower-like design. As the skydivers begin their free fall, their velocity increases and their:
Question 16 :
A ball is released from the top of a tower of height h metres. It takes T seconds to reach the ground. What is the position of the ball in $${ T }/{ 3 }$$ seconds?
Question 17 :
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 18 :
A rubber ball dropped from a certain height is an example of
Question 19 :
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 20 :
When a man stands on a moving escalator he goes up in $$50\ sec.$$ and when he walks up the moving escalator he goes up in $$30\ sec.$$ Then the man walks up the stationary escalator in a time of $$----sec$$
Question 21 :
A ball is dropped from a certain height, and at that exact same moment a rock is fired horizontally from the exact same height above ground level.<br>Assuming that air resistance is negligible, which object will strike the ground first?
Question 22 :
From a building two balls A and B are thrown such that A is thrown upwards and B downwards (both vertically). If $$\displaystyle { v }_{ A }$$ and $$\displaystyle { v }_{ B }$$ are their respective velocities on reaching the ground, then
Question 23 :
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 24 :
A toy rocket is launched straight up. At the exact top of its flight path, which of the following is true?
Question 25 :
How do the directions of velocity and acceleration act when brakes are applied to a moving cycle?
