Question

Following is given a diagram showing an experimental set-up: The given set-up is used to carry out: *
1 point
Captionless Image
a. Distillation of water
b. Purification of water
c. Electrolysis of water
d. Hydrolysis​

Answer 1

$Distance = 37.5 m ✬</p><p></p><p>Explanation:</p><p></p><p>Given:</p><p></p><p>Acceleration of car is 1 m/s².</p><p></p><p>Initial velocity of car is 5 m/s.</p><p></p><p>Final velocity is 10 m/s.</p><p></p><p>Time taken by car is 5 seconds.</p><p></p><p>To Find:</p><p></p><p>Distance covered by car in that time ?</p><p></p><p>Formula to be used:</p><p></p><p>s = ut + 1/2at² (Third law of motion)</p><p></p><p>Solution: Here we have</p><p></p><p>u = 5 m/s.</p><p></p><p>v = 10 m/s.</p><p></p><p>t = 5 s</p><p></p><p>a = 1 m/s²</p><p></p><p>s = ?</p><p></p><p>Put all the values on the formula.</p><p></p><p>\implies{\rm }⟹ s = ut + 1/2at²</p><p></p><p>\implies{\rm }⟹ 5 × 5 + 1/2 × 1 × 5²</p><p></p><p>\implies{\rm }⟹ 25 + 1/2 × 5 × 5</p><p></p><p>\implies{\rm }⟹ 25 + 1/2 × 25</p><p></p><p>\implies{\rm }⟹ 25 + 25/2</p><p></p><p>\implies{\rm }⟹ 25 + 12.5</p><p></p><p>\implies{\rm }⟹ 37.5</p><p></p><p>Distance covered by car is 37.5 m.</p><p></p><p>Lest find it through another method.</p><p></p><p>Formula to be used:</p><p></p><p>v² = u² + 2as (third law of motion)</p><p></p><p>Solution: Put all the values on formula</p><p></p><p>\implies{\rm }⟹ v² = u² + 2as</p><p></p><p>\implies{\rm }⟹ 10² = 5² + 2 × 1 × s</p><p></p><p>\implies{\rm }⟹ 10 × 10 = 5 × 5 + 2s</p><p></p><p>\implies{\rm }⟹ 100 = 25 + 2s</p><p></p><p>\implies{\rm }⟹ 100 – 25 = 2s</p><p></p><p>\implies{\rm }⟹ 75/2 = s</p><p></p><p>\implies{\rm }⟹ 37.5 = s</p><p></p><p>Distance covered by car is 37.5 m.</p><p></p><p>$