4,347 Answered Questions for the topic Science

Science English Forensics

12/03/21

please help me write a story with these words
Chromosome DNA Genes Proteins Hydrogen bonds nucleotides Deoxyribose Phosphate group Nitrogenous base Adenine Guanine Cytosine thymine Base pairs Double helix Amino... more
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Science Math Physics

12/02/21

Tricky projectile physics problem
A newspaper delivery boy throws a newspaper onto a balcony 1.25 m above the height of his hand when he releases the paper. Given that he throws the paper with a speed of 12.5 m/s and an angle of... more
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Science Math Physics

12/02/21

River crossing physics problem

A swimmer has a swimming speed of 5.2 m/s in still water. When she heads directly across the river, she ends up travelling downstream at an angle of 30° (with respect to a line perpendicular to the... more
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Science Math Physics

12/02/21

Particle physics problem
A meson, a subatomic particle having a mass 250 times that of an electron, is shot with a constant speed of 5.00 x 106 m/s into a region where an electric field causes a deceleration of 1.25 x... more
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12/02/21

Why is the amount of oxygen bubbles considered a measure of the rate of photosynthesis?
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Science Chemistry

12/02/21

Completing Chemistry Reactions
I was given HNO3 + Ca(OH)2 and need to complete the reaction. I because the reactants are an acid and a base, I will have salt and water as a product. Can you show me how to complete the reaction?
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Science Biology

12/02/21

mutations in potassium channels have been linked to abnormal heart rhythms and epilepsy. you find a mutation in the selectivity filter that allow partially hydrated cargo to enter the channel.

1- How can this impact channel specificity?2- how would this impact the cell?
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12/01/21

As a result of diffusion, the concentration of many types of substances -

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Science Math

12/01/21

A student was practicing for a track meet. She ran 400 m in 30 seconds. What is her average speed?

A student was practicing for a track meet. She ran 400 m in 30 seconds. What is her average speed? 
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Science Biology

12/01/21

LACTIC ACID FERMENTATION!
When you go for a long walk or exert effort when working on something, you will surely experience muscle fatigue or very tired. You will notice that you gasp to breath. Explain your answer in two... more
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12/01/21

Final exams are worth 20% of my grade
So I have 3 Exam s I have to take and there 20% of my grade and I have all high A’s in those classes what if I made a 60 on the exams what would my grade be?
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Science

11/30/21

Which of these elements can become stable by losing 1 electron? Explain.
Answer choices : Calcium, Argon, Sodium, Nitrogen, Oxygen, Chlorine
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Science Math Physics

11/28/21

Physics rocket problem
A rocket is fired with a velocity of 9.25 x 102 m/s at 25⁰ above the horizontal. Determine how far away it lands on level ground.
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Science Math Physics

11/28/21

Math and physics problem
Two girls are at point x on one side of a river, 50.0 m wide and having a current of 1.0 m/s, flowing as shown. Simultaneously, they drive into the water in an attempt to reach point Y, directly... more
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Science Math Physics

11/28/21

Rock physics problem
A rock is thrown from the top of a tower with a speed of 2.5 x 101 m/s and at a downward angle of 30.0⁰ to the horizontal, as shown, as shown. What are the horizontal and vertical components of the... more
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Science Math Physics

11/28/21

Tough physics question
A motorcycle moving initially at 64 km/h [N], turns a corner and continues at 64 km/h [E]. The turn takes 8.0 s to complete. Find(a) the change in velocity (3 marks)(b) the average acceleration... more
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Science Math Physics

11/28/21

Physics problem
A meson, a subatomic particle having a mass 250 times that of an electron, is shot with a constant speed of 5.00 x 106 m/s into a region where an electric field causes a deceleration of 1.25 x... more
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11/27/21

AP Bio Photosynthesis and cellular respiration
Photosynthesis and cellular respiration recycle oxygen in ecosystems. Respond to the following questions:a. Explain how the metabolic processes of cellular respiration and photosynthesis recycle... more
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11/26/21

What would be the daily dose for a newborn weighing 5.6 lb?
If the dose of gentamicin for premature and full-term neonates is 2.5 mg/kg administered every 12 hours.
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11/26/21

How to calculate the dose for a patient measuring 73 inches in height and weighing 190 lb?
If the drug cabazitaxel is used to treat prostate cancer in doses of 25 mg/m2.
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11/26/21

How to calculate the dose on each basis for a patient weighing 150 lb and measuring 5 feet 8 inches in height?
If the daily dose of a drug is given in the literature as 8 mg/kg of body weight or 350 mg/m2.
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11/26/21

How many capsules, each containing 250 mg of clarithromycin, are needed to provide 50 mg/kg/day for 10 days for a person weighing 176 lb?
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11/26/21

A physician desires a dose of 10 mcg/kg of digoxin for an 8-lb newborn child. How many milliliters of an injection containing 0.25 mg of digoxin per milliliter should be given?
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11/26/21

How to calculate the number of tablets to dispense to a patient weighing 147 lb?
Fluconazole tabs 100 mgDisp. tabs Sig: tab ii stat, then 3 mg/kg b.i.d. × 7 days thereafter
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11/26/21

Which of the following is a valid set of quantum numbers?
Which of the following is a valid set of quantum numbers?a. {4, 1, -1, -1⁄2}b. {3, 1, -2, +1⁄2}c. {1, 0, -1, +1⁄2}d. {5, 2, 0, -1}
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