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The following word problem was given to a child of Class IV Mumbai has 336 bus stops. Delhi has 127 more bus stops than Mumbai. How many bus stops are there in all, in Delhi? The child's response to the above problem is recorded as 336 Mumbai   336 127 Delhi   Total bus stops in Delhi are 336 + 127 = 463. The teacher shall report about his performance as [CTET Feb 2014]
There are five bus stops, A, B, C, D, E at equal intervals. C is not the middle stop. A and E are not terminal stops. C comes first in the upward journey as B comes after A. A is the second in the upward journey. D is the first stop in the downward journey. The correct sequence of stops in a downward journey is
A free falling heavy object will have more acceleration than a free falling light object if released from a same height. (Ignore air resistance)
A parachutist jumps from a plane. After freely falling 50 m, the parachute opens and he decelerates at the rate of 2 m/s2. If the speed at which he reaches the ground is 3 m/s, from what height did he jump? (Assume g = 10 m/s2)
when an object is dropped from a height the time taken to fall varies according to the square root of the distance, an object dropped from a height of 17.64 m takes 6 sec to reach the ground. find the time taken by the object to reach the ground when it is dropped from a height of 31.36 m.  
An object of mass 12 kg is at a certain height above the ground. If the potential energy of the object is 480 J, find the height at which the object is with respect to the ground. Given, g = 10 ms-2.
An object of 12 kg is placed at a certain height from the ground. If the potential energy of the object is 600 J, find the height of the object with respect to ground. (g = 10 ms-2)
An object of mass 12kg is placed at a certain height from the ground. If the potential energy of the object is 600J, find the height from the ground of the object?
An object of mass 12kg is placed at a certain height from the ground. If the potential energy of the object is 480J, find the height from the ground of an object?
The total energy of freely falling object: