std 10th Maharashtra board |Science 1| Practice Question Paper |#exam #boardexam

class 10 exercise 8.4 question 4 part 1and2

10th science ch 12 electricity 2022

Class 10 science bio ch 3 lec 1

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a. Estimate the force with which a karate master strikes a board, assuming that hand's speed at the moment of impact is 10.0ms^(-1) , decreasing to 1.00ms^(-1) during a 0.002 s time interval of contact between the hand and the board. The mass of his hand and arm is 1.00 kg . b Estimate the shear, assuming this force it exerted on a 1.00 cm thick pine board that is 10.0 cm wide. c. If we maximum shear stress a pine board can support before breaking is 3.60xx10^(6)N//m^(2) , will the board break?

A national math examination has 4 statics problems. The distribution of the number of students who ansered the question correctly is shown in the chart. If 400 students took the exam and each question was worth 25 points, then what is the average score of the students taking the exam? {:("Question Number","Number of students who solved the question"),(1,200),(2,304),(3,350),(4,250):}

A bill of Rs. 1,800 drawn on 10th September, 2010 at 6 months was discounted for Rs. 1,782 at a bank. If the rate of interest was 5% per annum, on what date was the bill discounted ?