Doubtly
@Doubtly · Joined Feb 2021
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- What is the use of isNaN function? isNan function returns true if the argument is not a number; otherwise, it is false. 1
- What are JavaScript Data Types? Following are the JavaScript Data types: Number String Boolean Object Undefined 2
- Enumerate the differences between Java and JavaScript? Java is a complete programming language. In contrast, JavaScript is a coded program that can be introduced to HTML pages. These two language... 1
- What is JavaScript ? JavaScript is a client-side and server-side scripting language inserted into HTML pages and is understood by web browsers. JavaScript is als... 2
- A chemist has one solution which is 50% acid and a second which is 25% acid. How much of each should be mixed to make Let x litres and y litres be the amount of acids from 50% and 25% acid solutions respectively. As per the question 50% of x + 25% of y = 40%... 1
- write a letter to your cousin about the day when you picked up a injiurd kitten from the pavement and took it home Dear [Cousin's Name], I hope this letter finds you well. I wanted to share with you about the day I found a little kitten on the pavement an... 1
- Write a program to input a month number of the year and display 5he corresponding month of year Code ! #include<stdio.h> void main() int choise; printf("n enter the month number : "); scanf("%d",&choise); switch(choise) case 1: printf("... 1
- C++ program to input a word (max. length from user and print each of its characters on new line in Reverse Order #include <iostream> #include <string> using namespace std; int main() { string word; cout << "Enter a word: "; cin >> word; cout << "Reverse... 1
- What does the question actually mean? Left Right I think you were able to understand ! The question ask us to get input from left allignment and output to right allignment Adding... 1
- Narrate an experience with the following beginning :: It was summer vacation .I was at home..... Narrate an experience with the following beginning :: It was summer vacation . I was at home and decided To spend my time fruitfully, I join... 1
- An object moves 18 m in the first 3 s, 22 m in the next 3 s and 14 m in the last 3 s. What is its average speed? Average speed = Total \ Distance/Total \ time = 18+22+14/3+3+3=54/9 =6m/s 1
- Take 5 examples from your surroundings and give explanation based on Newtons laws of motion. 1) When a ball is kicked in space, the ball keeps moving in one direction as there is no gravity. The ball stops when it hits an object or p... 2
- Give scientific reasons. d. The velocity of an object at rest is considered to be uniform. Velocity of an object is said to be uniform when its speed and direction does not change. The object at rest has uniform speed of zero all t... 1
- Give scientific reasons. c. It is easier to stop a tennis ball as compared to a cricket ball, when both are travelling Momentum of a body is the product of its mass and velocity i.e. p=mv and the rate of change of momentum of a body is equal to the force appl... 1
- Give scientific reasons. b. Even though the magnitudes of action force and reaction force are equal and their When two bodies interact, the action and reaction forces come into action. Even though their magnitude are same and their direction are oppo... 1
- Give scientific reasons. a. When an object falls freely to the ground, its acceleration is uniform. When an object falls freely to the ground, it is under the effect of a constant force known as force of gravity. No other forces act on it.... 1
- Complete the sentences and explain them. Laws of motion a. The minimum distance between the start and finish points of the motion of an object is called the displacement of the object. => The shor... 1
- Complete the following table. u (m/s) a (m/s2) t (sec) v = u + at (m/s) 2 u (m/s) a (m/s²) t (sec) v = u + at (m/s) 2 4 3 14 10 5 2 20 u (m/s) a (m/s²) t (sec) s=ut + 1/2at² (m) 5 12 3 69 7 8 4 92 u (m/s) a (m/s²)... 1