Search & Filtering
A bicycle of mass 14.6 kg and a rider of mass 50 kg generate a net force of 12 N. how fast are they going after 2.0s?
A net force of 200 N is applied to a large object, causing its velocity to change from 30km/h to 20 km/h in 2.3 seconds. What is the objects acceleration? What is its mass?
13C decays with a rate constant of 2.31 x 10-10/min. What is the activity of a 5.21 g sample in curies.
Draw the structure of the tripeptide, which is composed of Phe+Lys+Cys and answer additional questions .
1.1. specify the value of the isoelectric point
1.2 select the indicator and determine the pH of the aqueous solution by indicator's color 1.3 specify the hydrophilic-hydrophobic balance
1.4 draw the structures of the tripeptide that correspond to the pH values 0, pl, 7, 14. Specify the charge of the tripeptide in each pH
2. Construct the Fişcher's formula for the D-mannose [2(L),3(L),4(D),5(D),6- pentahydroxyhexan-1-al] and draw all the tautomers: oxo, and pyranoses, furanoses. 3.Give the formula of the nucleic base cytosine, nucleoside cytidine, nucleotide cytidine-3-phosphate
A rectangular field is to be enclosed by a fence then subdivided into three areas by fences
parallel to the shorter side. Find the dimensions of the field with the largest total area that can be
enclosed with 260 m of fencing. What is the area?
The sum of two natural numbers is 18. If the product of one number with the square of the
other is a maximum, find the numbers.
Two point charges of 0.04 x 10^-6 C and 0.16 x 10^-6 C are 20 cm apart in air. What is the potential energy of the system?
Suppose that equilibrium price in this market were to remain at P2 while equilibrium quantity increases from Q2 to Q4. Which of the following could account for such a change?
1.an increase in income, assuming this is a normal good.
2.an increase in the price of a complement combined with an increase in the price of a factor of production.
3.an increase in the price of a substitute combined with a technological innovation reducing production costs.
4.an increase in the price of a complement combined with a decrease in the price of a factor of production
Find the spring constant k if the spring is stretched a distance 47 m by a suspended weight 19 N. The acceleration of gravity is 9.8 m/s^2. Answer in units of N/m.
Suppose that equilibrium quantity in a market were to remain at Q2 while equilibrium price increases from P2 to P1. Which of the following could account for such a change?
1.an increase in the price of a substitute combined with a technological innovation reducing production costs.
2.a decrease in the price of a substitute combined with a technological innovation reducing production costs.
3.an increase in the price of a complement combined with a decrease in the price of a factor of production.
4.a decrease in the price of a complement combined with an increase in the price of a factor of production.
