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Students pass a test if they score 50% or more. The marks of a large number of students were sampled and the mean and standard deviation were calculated as 42% and 8% respectively. Assuming this data is normally distributed, what percentage of student pass the test?
THE SPEED OF 5 KG BODY IS TO BE INCREASED FROM 10
M/S TO 20 M/S. WHAT CONSTANT FORCE IS NEEDED TO
PRODUCE THIS CHANGE IN SPEED IN EXACTLY 5 S ?
What is the vapor pressure of the pure solvent if the vapor pressure of a solution of 10g sucrose (C12H22O11) in 100g of ethanol (C2H5OH) is 55 mmHg?
A solution prepared by adding 10g of an unknown non-volatile, non-electrolyte solute to 100 g of water. The Boiling point of the solution is elevated by 0.433 0C above the normal boiling point of the solvent. What is the molar mass of the unknown substance?
You add 1 kg of ethylene glycol (C2H6O2) antifreeze to 4450g of H2O in your car’s radiator. What would be the freezing point of the solution?
How many grams of Lactic acid (C6H10O5) should be dissolved in 647g of cyclohexane (C6H12) to raise the boiling point to 84.910C? The normal boiling point of cyclohexane is 810C and its molal boiling point is 2.75 0C/m.
The osmotic pressure of 210mL of an aqueous solution containing 0.150g of the enzyme lysozyme is found to be 0.0013atm at 24.850 Calculate the molar mass of lysozyme.
PED and PES with respect to a certain product is – 0.2 and 1.4 if the government impose a unit tax of Rs. 80 what would be the increase amount of price?
A solution prepared by adding 10g of an unknown non-volatile, non-electrolyte solute to 100 g of water. The Boiling point of the solution is elevated by 0.433 0C above the normal boiling point of the solvent. What is the molar mass of the unknown substance?
Write a shell script using while loop to repeat something several times for several things.
A rocket of mass 4×10⁴ kg, when full with fuel at launching pad, it's fired vertically upward and a burnout mass of 2×10⁴kg gases are exhausted at the rate of 20 slugs/second, with a velocity of 6×10³ m/s relative to the rocket (exhaust velocity) both quantities are assumed to be constant while the fuel is burning, what's the thrust, neglecting all external forces, what would be the speed of the rocket at burnout?
On the average, six people per hour use a self services banking fasility during the prime shopping hours in a department store. Assuming the arrival of customers is random and independent; What is the probability that; One person will use the facility during 30 seconds interval?
Given that income is $500 and P X = $20 and P Y = $5, what is the market rate of
substitution between goods X and Y? Show solutions.
determine the general/particular solution for each equation using the applicable solution to equations of order one (separable, homogenous,linear,exact)
3x(xy-2)dx + (x^3=2y)dy = 0
#340153 on Dec 2023