Question 1 :
The earliest clocks made by Egyptians in year 800 BC for measuring time was :
Question 2 :
$4.15\ p.m$. in $12$ hour system is written as _____ in $24$ hour clock system.<br/>
Question 4 :
Which one of the following is travelling with the fastest speed?
Question 5 :
Which of the following terms does not gowellwith the motion of a bus on a crowded road.
Question 6 :
Arunoday started walking towards his office at $9 AM$ in the morning. He reached his office at $9:30AM$. He started walking again to reach home in same time. What is the total distance covered by Arunoday if the average speed of Arunoday is $4 km/hr$?
Question 7 :
In order to measure very short intervals, we mostly use :
Question 8 :
The quantity which tells the distance an object travels in a certain time is called -
Question 9 :
Arun was going for a run in the morning. He travelled a distance of $4 km$ in one hour. What could be the speed of Arun in $km/hr$?
Question 11 :
An object with a mass of $10kg$ moves at a constant velocity of $10m/s$. A constant force then acts for $4 sec$ on the object and gives it a speed of $2m/sec$ in opposite direction. The acceleration produced in it is,<br/>
Question 12 :
Write the true or false for each of the statement.<br/>The speed 5 $ ms^{-1} $ is less than 25 km $ h^{-1} $.
Question 13 :
In a rocket of mass $1000kg$ fuel is consumed at a rate of $40kg/s.$ The velocity of the gases ejected from the rocket is $5000m/s.$ the thrust on the rocket is
Question 14 :
The position of a particle varies according to expression $x = t\left( {t - 1} \right)\left( {t - 2} \right)$, velocity of the particle is zero at times.<br>
Question 15 :
A body is tied at theend of a string of length " and rotatedin a vertical circle,The suringis just tautwhen the body is athighest point. Velocity of the body when thestring is in horizontal position is
Question 16 :
A constant force acts on a mass m at rest. Velocity acquired in travelling a fixed distance is directly proportional to:
Question 17 :
A 2 kg object moving with the speed of 2 m/s collides with 4 kg objects, which is at rest. if the final velcocities of the odjects are same, then what would be the final velocity?