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lizbeth

Questions (30)

(secx - tanx)(cscx+1) =cotx
1. 2 answers
2. 501 views
tanx +cotx=secx cscx
1. 2 answers
2. 519 views
Which of the following are examples of mnemonics? Select all that apply.a short rhyme repeating something several times an
1. 2 answers
2. 1,224 views
A window air conditioner consumes 900 W of electric power and has COP = 2.9.If it runs continuously for 24 h , how much heat
1. 1 answer
2. 503 views
Consider air to be a mixture of 80% nitrogen and 20% oxygen.How much work is required to raise the temperature of 7 mol of air
1. 0 answers
2. 488 views
Consider air to be a mixture of 80% nitrogen and 20% oxygen.How much work is required to raise the temperature of 7 mol of air
1. 0 answers
2. 476 views
Suppose you have a spherical balloon filled with air at room temperature and 1.0 atm pressure; its radius is 17 cm . You take
1. 1 answer
2. 602 views
Two stars with masses 2.75 x 10^30 kg and 5.92 x 10^30 kg form a binary system. If the two stars have an average separation of
1. 1 answer
2. 573 views
At what height above Earth's surface is the gravitational acceleration reduced from its sea-level value by 0.20%?At what height
1. 1 answer
2. 474 views
At what height above Earth's surface is the gravitational acceleration reduced from its sea-level value by 0.20%?At what height
1. 3 answers
2. 451 views
. 0.30m....|______|_________________________ ....|...../\ ...|_| <-- box with unknown mass In the figure, the meterstick's mass
1. 3 answers
2. 643 views
A bicycle has 67.0 cm diameter wheels turning at 11.2 rev/s.How fast is the bicycle moving?
1. 1 answer
2. 451 views
One of the conditions for Uniform Circular Motion is that the acceleration be centripetal and directed toward the center of
1. 1 answer
2. 1,028 views
A boxcar of mass 3.21 x 10^4 kg is rolling south at 5.16 m/s when it collides and couples with another boxcar of mass 5.18 x
1. 2 answers
2. 463 views
A boxcar of mass 3.21 x 10^4 kg is rolling south at 5.16 m/s when it collides and couples with another boxcar of mass 5.18 x
1. 1 answer
2. 424 views
Two railroad freight cars with masses 110 Mg and 150 Mg approach with equal speeds of 0.310 m/s . They collide, the lighter car
1. 2 answers
2. 480 views
A 110 g ball has a kinetic energy 39.8 J.What's the magnitude of its momentum? Use your answer to find its speed. K=p^2/2m
1. 1 answer
2. 399 views
A 71 kg skater and a 59 kg skater stand at rest on frictionless ice. They push off, and the 71 kg skater moves at 2.5 m/s in the
1. 1 answer
2. 596 views
A 1180 kg car and 4720 kg truck undergo a perfectly inelastic collision. Before the collision, the car was traveling southward
1. 1 answer
2. 644 views
Luis is an avid baseball player. For his science project, he decides to test which type of batis best for hitting home runs.
1. 1 answer
2. 1,000 views
Which of the following is a way to practice safe science?A. Rewrite directions. B. Taste chemicals. C. Wash your hands. D.
1. 2 answers
2. 1,230 views
Luis is an avid baseball player. For his science project, he decides to test which type of batis best for hitting home runs.
1. 2 answers
2. 950 views
Remember to show all of the steps that you use to solve the problem.(–1.15) × 3.2 =
1. 2 answers
2. 477 views
1. According to the trend shown by the graph what volume of water would you expect after 35 seconds of drippingA. Approximately
1. 11 answers
2. 2,422 views
what is the importance of incorporating statistics, graph and illustration
1. 1 answer
2. 384 views
Assignment: Incorporating Statistics, Graphs, and Illustrations ... com 220. How does the author of A Nation Apart organize
1. 1 answer
2. 554 views
A force can make an object start to move or it can xxxxx it up or xxxx it down. We think the answers for x are speed and slow.A
1. 3 answers
2. 651 views
Please could someone tell me the meaning of drawn (as in hung, drawn and quartered.) ThanksThis site has a gory description of
1. 0 answers
2. 443 views
we have to find out meaning of words, e.g. english word - sherbet, language of origin - arabic, old word - sharabat, old meaning
1. 0 answers
2. 814 views
i have to draw a picture of a crusader soldier from the middle ages. i have tried a couple of websites but as i do not know what
1. 0 answers
2. 662 views

Answers (9)

A plant grows 3 centimeters in 10 days. How much does it grow per day?
What am I doing wrong... for .2% g=9.8-(.002*9.8) .0196 =9.7804 r=sqrt(GM/g) sqrt(3.9886*10^14)/9.7804 6386044.4 6386044.4-6371000=15044 m or aprx 15 km ?
its a yardstick on a fulcrum. on the left hand side a block is hanging from a string. I tried to submit it with a url but it would not let me so i attempted to draw it out. the length of the meterstick from the lefthand side to the fulcrum is .30m
. ....0.30m ....|______|_________________________ ....|........../\ ...|_|
-.505
I am calculating -.28 m/s for the 1st part but it is not correct.
i need help with mmy homework
what is quantitative
Thanks for your answer. The letters we have are lxxx and the third letter of slow goes through. We think slow is correct but cannot see how lead fits (if it is correct) as it would be lxox. We cannot think of another word beginning with l. Hope you can

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