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Questions (344)
If a projectile is shot under an angle of 30* with a force of 500N what is the time the projectile reaches the maximum hight.The
1 answer
511 views
If 0.30 mol N2H4 is reacted with 0.50 mol N2O4, how many moles of N2 can be formed?
2 answers
783 views
A 2-kg brick is moving at a speed of 6 m/s. how large a force F is needed to stop the brick in a time of 7x10^-4 s?
2 answers
4,041 views
16-g mass is moving in the +x direction at 30 cm/s while a 4-g mass is moving in the -x direction at 50 cm/s. they collide head
2 answers
769 views
16-g mass is moving in the +x direction at 30 cm/s while a 4-g mass is moving in the -x direction at 50 cm/s. they collide head
2 answers
499 views
I shot two arrows into the air the first arrow had a speed of 10 m/sec , 1 second later I shot the 2nd arrow into the air with a
1 answer
492 views
would social studies be capitalized in this sentence: I don't understand how he did the social studies problem.
2 answers
842 views
How far does a cyclist travel when she accelerates from rest to 6.5m/s in 22s?
2 answers
558 views
A car accelerates from 5.0m/s to 22m/s in 18 seconds, find the acceleration.
1 answer
467 views
If your weight on Earth is 637 Newton, what is your mass in kg?
1 answer
983 views
A skier moves 100.0 m horizontally, and then travels another 35.0 m uphill at an angle of 35.0º above the horizontal. What is
2 answers
1,727 views
Reflect f(x)=x^2 about the y-axis. What changes?
1 answer
457 views
How do I solve f(x)=x^3-6x^2+16x-96 using Descartes' Rule of Signs to find the number of positive and negative real roots, along
1 answer
649 views
3moles KI in 500 g of H2O equals what molality?
1 answer
562 views
Use an Addition or Subtraction Formula to find the exact value of the expression:
tan7π/12
1 answer
633 views
I need someone that can help with a formula
any smart people. Law of universal gravitation f=g m 1 x m2 /r^2 needs to k ow what g
1 answer
423 views
A metal sphere is launched with an initial velocity of 1.5 m/s as it leaves the ramp. The end of the ramp is 1.2 m above the
1 answer
1,614 views
a) According to the Rydberg equation, the line with the shortest wavelength in the emission spectrum of atomic hydrogen is
1 answer
3,106 views
Find all solutions of the equation and express them in the form
a + bi. 36x^2 − 12x + 2 = 0
1 answer
749 views
Find all zeros of the polynomial
P(x)=x^3-x-6
1 answer
435 views
1. Compute the estimated uncollectible accounts at the end of the year using the following rates:
Current 1% 1–30 days past due
0 answers
938 views
Ultra Leather Products sells leather clothing at both wholesale and retail. The company has found
that there is a higher rate of
0 answers
618 views
Explain in your own words why you listed this particular cost as the “#1 Cost of the American Civil War.”
6 answers
2,654 views
A force platform is a tool used to analyze the performance of athletes measuring the vertical force that the athlete exerts on
0 answers
940 views
An astronaut of mass 84.0 kg is taking a space walk to work on the International Space Station. Because of a malfunction with
0 answers
787 views
Most of us know intuitively that in a head-on collision between a large dump truck and a subcompact car, you are better off
0 answers
954 views
Most of us know intuitively that in a head-on collision between a large dump truck and a subcompact car, you are better off
0 answers
1,017 views
An astronaut of mass 84.0 kg is taking a space walk to work on the International Space Station. Because of a malfunction with
1 answer
769 views
A force platform is a tool used to analyze the performance of athletes measuring the vertical force that the athlete exerts on
0 answers
1,048 views
I am the greatest common factor of three numbers. Their sum is 36. The largest number is twice the smallest and the middle
2 answers
1,790 views
In 1846, the population of San Francisco, California, was only 200. By 1852, the city's population was 36,000.
Which contributed
35 answers
1,996 views
In a hypothetical experiment, the blood flow between two dogs is joined and one dog is stressed so that its heart rate goes up
1 answer
1,202 views
Heather and Matthew walk eastward with a speed of 0.76 meters per second east. If it takes them 50 minutes to walk to the store,
1 answer
725 views
You are in charge of making punch for an upcoming school dance. The punch recipe makes 5 cups of punch by mixing 3 cups of
3 answers
1,004 views
at a small private collage, 9/20 of the students are female. there are 2160 female students, then how much are male?
7 answers
2,073 views
The electric potential inside a charged spherical conductor of radius R is given by V = kQ/R, and the potential outside is given
0 answers
902 views
1.How many moles of sodium oxide are produced when3.9 moles of sodium combine with excess oxygen.
2. Sodium chloride decomposes
4 answers
1,242 views
(1,3) (-3,-5)
0 answers
642 views
What is the next number in the pattern 20,000;4,000;800;160;____
1 answer
372 views
Mathematically determine the resultant force if two forces A and B act on an object. Force A is 85N and is at an angle of 20•
5 answers
2,643 views
How did Europeans feel about Columbus's first voyages to america?
Were they happy because they found new land or?
2 answers
733 views
Can you check my answers for me? The answers I picked have a check mark next to them. Thank you.
1. Darwin’s theory of
1 answer
926 views
Create an addition word problem and a subtraction word problem using fractions. Show how to find the solution to each problem.
7 answers
2,209 views
Suppose that five years ago Cisco Systems sold a 15-year bond issue that had a $1,000 par value and a 7 percent coupon rate.
2 answers
1,684 views
A cannon that is 10m long is designed to launch a 10kg ball over a castle wall.
In order to do this the ball must have a speed of
1 answer
937 views
A cannon that is 10m long is designed to launch a 10kg ball over a castle wall.
In order to do this the ball must have a speed of
0 answers
493 views
Im having a little trouble can someone please help me. Im not sure if my answers were right or what the rest would be.
1.
0 answers
631 views
How do you apply critical thinking to someone's else writing?
1 answer
522 views
wwho love it and understand it are the people who own it—for
a little while”
1 answer
299 views
Can you help with questions that have diagrams you must use?
0 answers
366 views
Simplify with only positive exponents:
(v^-1/2t)^-2(t^2/v^-2)^-3
0 answers
361 views
Simplify with only positive exponents:
(v^-1/2t)^-2(t^2/v^-2)^-3
0 answers
370 views
When one of the following substances is dissolved in water, the only positive ions in the solution are hydrogen ions.
NaOH NaH
1 answer
490 views
When one of the following substances is dissolved in water, the only positive ions in the solution are hydrogen ions.
CH3OH LiOH
1 answer
526 views
What species is classified as an Arrhenius base?
2 answers
1,405 views
3/16=h/2 what is the value of H
1 answer
305 views
Zinc sulfide and oxygen gas react to form oxide and sulfur dioxide. Determine the amount of ZnO that should be produced in a
1 answer
1,372 views
Flying with wind, a plane flew 800 miles in 5 hrs. Flying against the wind, the plane flew the same distance in 8 hrs. Find the
2 answers
1,089 views
Explain why 0.7=0.70.
1 answer
1,213 views
Explain why 2tenths is larger than 2 hundreths.
1 answer
368 views
Explain why 0.7=0.70.
1 answer
365 views
Explain why one column in a hundredths grid is equal to one column in a tenths grid?
2 answers
579 views
The mass of a bag of sand was 2.95 kilograms when it was 2/3 full. When 1/6 of the sand was removed, the mass of the bag of sand
5 answers
1,627 views
This type of artwork can usually be found on buildings or other public property. (1 point)
* scraffito * intaglio * graffiti *
3 answers
489 views
Find the LCM.
1. 20, 36 * 720 * 180 * 90 * 45
1 answer
402 views
"A study has shown that 20% of all college textbooks have a price of $90 or higher. It is known that the standard deviation of
6 answers
3,917 views
Which of the following is equivalent to (2x-3)^2=25 ?
A) 2x - 3 = 5 B) 2x - 3 = -5 C) 2x - 3 = 5 and 2x - 3 = -5
1 answer
806 views
If the rule (x, y) ¡ú (x + 3, y ¨C 3) is applied to the original triangle, give the coordinates of and draw the image. Show
0 answers
509 views
Determine whether the following statement makes sense or does not make sense, and explain your reasoning (modified from
5 answers
1,001 views
Determine whether the following statement makes sense or does not make sense, and explain your reasoning (modified from
0 answers
1,344 views
f(g(x)) =. Does this make sense or not?
A) This makes sense because f(x) = x^2 and g(x) = x + 4 so putting in x^2 for x into g
0 answers
541 views
What are the advantages of a Co-repressor?
0 answers
356 views
I have to correct these sentences
Is this correct? 1.Mi amigo viene de el cine. Mi amigo viene del cine. 2. Yo pono la mesa. Yo
1 answer
570 views
I asked this question last week how to day I plan to go to the movies tomorrow night and you said to correct "a la" and "de el"
1 answer
491 views
What is the molarity of a sodium hydroxide solution if 38 mL of the solution is titrated to the end point with 14 ml of .75M
0 answers
608 views
Could you check thee for me? Thank you
1. Say that you plan on going to the movies tomorrow night. Yo pienso ir a el cine mañana
2 answers
577 views
So a computer virus has been created via Corporate e-mail. Let t=0 be the time of the first 100 infections, and at t=17 minutes
0 answers
718 views
Ka for hypochlorous acid,HClO is 3.0x10^-8. Calculate the pH after 10.0, 20.0, 30.0, and 40.0mL of 0.100M NaOH have been added
2 answers
2,015 views
Calculate the pH of a solution prepared by mixing 10.00mL of 0.50M NaOH and 20.00mL of 0.50M benzoic acid solution. (Benzoic
1 answer
628 views
What is the pH obtained by mixing 50.00mL of 0.100N HOAc (acetic acid) and 25.00mL of 0.200N NaOH?
2 answers
605 views
what is the ph solution obtained by mixing 25.00 ml of 0.250 ml HCl and 25.00ml of 0.125M NaOH
4 answers
1,035 views
A child sits on a rotating merry-go-round, 2.19 m from its center. If the speed of the child is 2.32 m/s, what is the minimum
2 answers
5,359 views
80.0 grams of KBr is mixed with sufficient water to prepare 1865 mL of solution. This solution is then mixed with 46.3 mL of
1 answer
674 views
An artillery shell is fired with a minimal velocity of 400 m/s at 54 deg above the horizontal. To clear an avalanche, it
1 answer
632 views
Please show work to how you find this answer.
A baseball is thrown with an initial velocity of 30 m/s at an angle of 45 degrees.
1 answer
546 views
"Reason your sympathies lean as they do"
I'm trying to complete a chart. Can somebody explain what this means.
0 answers
382 views
how I can do a essay for Salvador Dali ?
1 answer
268 views
Find the work done by a 15 N force in the direction of the vector (1,2,2) when it moves a particle from O(0,0,0) to P(1,-3,4)
0 answers
374 views
Are Saturn rings made of ice
2 answers
970 views
Mrs. Bradner has 30 tomato plants . She wants to plant the same number of plants in each row of her garden. Explain how she
2 answers
818 views
150. 7,500
1 answer
300 views
Round 7,468 to the nearest hundred.
3 answers
515 views
Explain how you would use a number line to round 148 to the nearest ten.
3 answers
531 views
A particle has ⃗r(0) = (4 m)j and ⃗v(0) = (2 m/s)i.
If its acceleration is constant and given by ⃗a = −(2 m/s2) (i +j),
1 answer
1,243 views
Factor
3y^2z-5yz-9y^2+30y-25 I can't seem to figure this one out... Give me a step by step answer please and thank you :)
0 answers
421 views
I need to locate an article about the benefits of NLNAC Accreditation but I cannot seem to find a journal article only a list of
1 answer
441 views
True or False?
1) Do Nuclear changes generally absorb more energy than chemical changes. 2) In Exothermic reactions, the
0 answers
1,253 views
What is Delta H degrees for the gas-phase reaction below?
CH4+ CL3 = CH3CL+ HCL Bond dissociation energies of CL-CL, C-CL, H-CL,
1 answer
957 views
Which of the following would involve the largest production of heat per mole?
a)the burning of gasoline b)the evaporation of
1 answer
2,862 views
A woman brings her 6 month old son to the dr. The chief complaint is a group of lesions on the child's back. In the exam room, a
5 answers
976 views
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