Explanation

Change in momentum = 20 − 5 = 15 kg·m/s

Time = 3 s → Force = 15 / 3 = 5 N

Explanation

The derivative of y = x² is dy/dx = 2x.

At x = 2, the slope is 2(2) = 4.

The tangent line equation is y - 4 = 4(x - 2), which simplifies to y = 4x - 4, or 4x - y = 4.

Explanation

The USA is the largest export destination for Pakistan, especially for textiles, garments, and leather goods.

Pakistan enjoys a trade surplus with the USA, making it a key market for earning foreign exchange.

Explanation

"Board" refers to a group of people acting as one unit (e.g., board of directors), which makes it a collective noun.

Collective nouns describe a collection or group — not individuals separately.

Explanation

"Because the night is cold" explains why the action is done, modifying the verb "take" — this is the role of an adverb.

Adverb clauses answer questions like why, when, how, or under what condition.

Explanation

آسائشوں کا مطلب ہے آرام و راحت دینے والی چیزیں، جو زندگی کو آسان بناتی ہیں۔

سہولیات اسی مفہوم کا مترادف (ہم معنی) لفظ ہے۔

Explanation

حبا، سبحان اللہ، شاباش، آفرین، خوب، بہت خوب، بہت اچھا، واہ واہ، اللہ اللہ، ماشاءاللہ، جزاک اللہ، آہا، وغیرہ حروف تحسین ہیں۔

اِن حروف کو حروف انبساط بھی کہتے ہیں۔

Explanation

This is a conditional sentence.

We use subject + past tense in first clause, subject + would + first form of verb in such type of sentences.

If I had money, I would purchase it now.

Explanation

Gold can be beaten into extremely thin sheets (just a few atoms thick), ideal for alpha particle passage.

This thinness allowed alpha particles to pass through with minimal obstruction, helping observe atomic structure.

Explanation

The sentence uses "by next year" — a future time marker, so Future Perfect Tense is correct.

"Will have learned" fits the structure: Subject + will have + past participle.