Electricity class 10 previous year questions

class 10 exercise 8.4 question 4 part 1and2

If the magnitude of velocity in the previous question is decreasing with time, what is the direction of f angular acceleration (oversetrightarrow(alpha))?

The population of a city increased by 10% in the previous year. If the present population is 1,32,000, what was the population of the city a year ago?

If the capacitors in the previous question are joined in parallel,the capacitance and the breakdown voltage of the combination will be

Class 10 polynomial

Juan purchased an antique that had a value of $200 at the time of purchase. Each year , the value of the antique is estimated to increase 10% over its value the previous year. The estimated value of the antique , in dollars, 2 years after purchase can be represented by the expression 200a , where a is a constant . What is the value of a ?

Most important question class 10 chapter 4 Quadratic equation