Recent activity by Zeinab Ghaffarnasab

Question

A car of mass 1000 kg accelerates on a straight flat horizontal road with an acceleration a = 0.30 m s–2. The driving force T on the car is opposed by a resistive force of 500 N. Calculate T.

answered Nov 17, 2024

1 answer 45.1k views

Which of the following can be attributed to the polarity of the water molecule? I. Hydrogen bonding between two or more water molecules. II. The attraction of the oxygen of a water molecule to a hydrogen

answered Nov 12, 2024

1 answer 218k views

EcoRI recognizes the sequence 5'-G|AATTC-3' ("|" indicates the point of cleavage). Treatment of the following oligonucleotide with EcoRI would produce two oligonucleotides with sizes of _____ double-stranded

asked Nov 8, 2024

1 answer 121k views

Calculate the molar solubility of zinc carbonate in ZnCO3(s) Zn2+(aq) + CO32-(aq) Kps=3.10-8 Water: solubility = [ ] mol.L-1 • Zn (NO3) 2 solution 0.0500 mol.L-1: solubility = [ ] mol.L-1 • K2CO3 solution

answered Aug 31, 2024

1 answer 196k views

How does Isabel's surroundings in Havana change quickly?

asked Aug 25, 2024

1 answer 50.9k views

Dimensions of the rectangle inscribed in the semicircle with radius 8. a) Length = 16, Width = 8 b) Length = 8, Width = 4 c) Length = 10, Width = 8 d) Length = 12, Width = 6

answered Jun 21, 2024

1 answer 13.0k views

an object has two forces acting on it. one force with a magnitude of 10 n acts in a northerly direction. the other force with a magnitude of 10 n acts in an easterly direction. what is the magnitude of

asked Jun 15, 2024

1 answer 165k views

The Five Good Emperors A) made humaneness and effective government standard practice. B) successfully expanded the empire's borders. C) guaranteed the future stability and prosperity of Rome. D) exemplified

answered Apr 16, 2024

1 answer 159k views

Range and domain ?? {(-3,0), (3,-7), (-1,-6), (-1,-5), (-5, -1)}

answered Mar 28, 2024

1 answer 93.2k views

Which evaluation, if any, coincides with a specific list of guiding principles? a) Regular evaluation b) Special evaluation c) Fitness evaluation d) Concurrent evaluation

asked Mar 24, 2024

1 answer 171k views

What were the two forces that obstructed President Harry Truman's civil rights initiative? 1) The Supreme Court and Congress 2) The Ku Klux Klan and the Democratic Party 3) The Civil Rights Movement and

answered Jan 25, 2024

1 answer 174k views

Roxas has 13 tracks. If he posts one more, how many will he have?

answered Nov 22, 2023

1 answer 136k views

Turn 3/15 into mixed number

answered Nov 21, 2023

1 answer 182k views

The density of silver is 10.49 g/cm³. What is the mass of a piece of silver with a volume of 4.83 cm³?

asked Oct 7, 2023

1 answer 115k views

These tables represent an exponential function. Find the average rate of change for the interval from x=7 to x=8A. 6561B. 4374C. 2187D. 3

answered Aug 19, 2023

1 answer 42.4k views

Write an additional expression for the situation. Then find the sum.A roller coaster drops 112 feet before going back up 52 feet.

asked Jun 17, 2023

1 answer 166k views

(-4^0) + 1 equals to ?

asked Jun 15, 2023

1 answer 75.7k views

A student is observing a cell under a compound microscope. the student has been asked to list an evidence that can be used to determine if the cell belongs to kingdom plantae or kingdom animalia. which

asked May 10, 2023

1 answer 40.3k views

Given that 3x – 4y= 22 - Find & when y = -7

answered May 3, 2023

1 answer 90.1k views

1. Find the surface area of the sphere below. od 2 ft store

answered May 2, 2023

1 answer 166k views

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