Zinc-ion batteries are recognized for their fast charge capabilities and high energy density, but they do not necessarily offer a high power density. These batteries, utilizing zinc ions as charge carriers, present an affordable and safe alternative to more traditional battery technologies, though they face challenges such as relatively lower conductivity.
Find the coordinates of the points where the graph 57x – 19y = 399 cuts the coordinate axes.
(a) x – axis at (– 7,0) and y – axis at (0, ...
If the perimeter of rectangle is 48 cm and its length is 4 cm more than breadth then find its area?
The diameter of a circular field is equal to the side of a square field. If the total cost of fencing the circular field is Rs. 71...
What is the volume (in cm3) of a cylinder if the radius of the cylinder is 25 cm and height is 30 cm? (Take π = 3.14)
The circumference of a circle is equal to the perimeter of a rectangle whose length and breadth are in ratio 7:5, respectively. If the area of the recta...
2[sin x – cos x]4 + 6[sin x + cos x]2 + 5[sin6 x + cos6 x]= ?
B invests 30% of his monthly salary on Travelling and 20% of remaining on Food. Again, he invested 25% of the remaining (after travelling and food expen...
(155/3)% of the raindrops could have been collected, when 4 cm of rain has fallen on a part of land of area 3 km2, in a tank having a 200 m Ã...
Ratio of length to width of a rectangular field is 2:3. If the perimeter of the field is 380 metres, then find the area (in m2) of the field.
In a rectangle, the ratio of length and breadth is 3:2 and its perimeter is 240 cm, then what the area of the rectangle?
