Newton’s Second law of motion: It states that rate of change of momentum is directly proportional to unbalance external force. And change of momentum is in the direction of unbalance force.Mathematical Derivation:
Newton’s First Laws of Motion { Law of Inertia }- It states that a body continue in its state of rest or of uniform motion until it is comepelled by any external unbalance forces. This laws is also known as Read more
Learning Hindi is easy if we are going in right way. Many of us are struggling for Hindi learning. We already have created Youtube videos for learning hindi . However We need practice to write correctly. This is the list Read more
In triangle ABC, AB > AC. E is the mid-point of BC and AD is perpendicular to BC. Prove that AB2 + AC2 = 2.AE2 + 2.BE2 Solution:In ∆ ABD AB2 = AD 2 + BD 2 Or AB2 = Read more
वन प्राण हैं – वन हमारी शान हैं || वन मुख्य रूप से लकड़ी के स्रोत के लिए जाने जाते हैं। लेकिन वास्तविक रूप से वन इससे बड़ा काम करते हैं। वन जलवायु को नियंत्रित करने मे बड़ी भूमिका निभाते Read more
Q(01) Why was Father Gilligan ‘weary’? Why was he unable to rest? Ans: Father Gilligan was tired because he has to work night and day. Most of the people in the village were either sick or have died. At their Read more
Velocity-Time graph gives two most important parameter. 1) Its slope gives the acceleration. 2. The area under the curve gives the distance traveled by an object.Here we will derive velocity(v = u + at) equation as shown the figure. And Read more
Reference to The Context (1)Thus they talked about half forgotten incidents, forgetting about matters of greater importance, and often it would get very late. Q(a): Who does ‘they’ refer to? What would they talk about ? Ans. : They referred Read more
Prateek travels from Agra to Delhi to buy goods which he gets 10 percent cheaper in Delhi than in Agra . if his journey expenses are Rs. 160.00 and he earns Rs. 240.00 by selling goods at Agra; calculate : Read more
Q(01) Briefly describe the author’s journey from Urumqi to Heaven Lake . What does Heaven Lake look like ? Ans: Author went to Heaven Lake from Urumqi by a public bus . Soon, they were in open country Read more
