Question
A stone thrown upward with a speed ’u’ from the top
of the tower reaches the ground with a speed ‘3u’. The height of the tower is-Solution
v2 = u2 + 2gh Þ (3u)2 = (-u)2 + 2gh [‘-‘ sign indicates that the direction of stone is against gravity] Þ h = (9u2 - u2)/ 2g = 8u2/2g Þ H= 4u2/g
Which SOLID principle ensures that a class has only one reason to change?
Which cryptographic concept ensures that data integrity is preserved and cannot be altered during transmission?
Which of the following is an effective countermeasure against Cross-Site Scripting (XSS) attacks in a web application?
Which tree traversal method visits the root node *after* visiting both its left and right subtrees?
Which data structure is most suitable for implementing a priority queue with logarithmic time complexity for insertion and deletion?
A complete binary tree has 127 nodes. What is its height (assuming the root is at level 0)?
Which page replacement algorithm minimizes the number of page faults theoretically but is difficult to implement in practice?
Suffix Trees are useful for:
What is a key advantage of containerization over traditional virtual machines?
In the context of system analysis, which of the following best defines the "use case" diagram?
Relevant for Exams:
