Questions and answers by

Claudia

Questions (137)

At its highest point, the pendulum is 1.2m above the ground and as a gravitational potential energy of 62J. If the gravitational
1. 2 answers
2. 1,548 views
The mass of a single barium atom is 2.28E-22 grams. How many barium atoms would there be in 37.4 milligrams of barium
1. 1 answer
2. 1,014 views
the relationship bwtween frequency, wavelength, and speed holds for light waves because all forms of electromagnetic radiation
1. 1 answer
2. 1,852 views
consider a concave mirror with a focal length of 13.72cm, and the object distance is 6.86cm, i calculated and found the image
1. 1 answer
2. 1,023 views
ok the question is:consider a concave mirror with a focal length of 13.72 cm find the image distance when the object distance is
1. 2 answers
2. 485 views
If an economy has elements of more than one economic system. it is a ________.
1. 1 answer
2. 654 views
Taking the mass of the atmosphere to be 5.7E15 metric tons, what mass of carbon mustbe burned in order to increase the average
1. 1 answer
2. 564 views
Calculate the concentration of SO2(ppm) that must be reached in polluted air (in ppm) if the dissolved gas is to produce a pH of
1. 1 answer
2. 788 views
Given:cp,ice = 2090 J/kg◦C cp,water = 4186 J/kg ·◦C cp,steam = 2010 J/kg ◦C Lf = 3.33 × 105 J/kg Lv = 2.26 × 106 J/kg
1. 1 answer
2. 839 views
a 3.5 kg rectangular air mattress is 2.73m long, 1.1m wide, and .124m thick.what mass can it support in water befor sinking?
1. 2 answers
2. 861 views
a physics book has a height of 26cm, a width of 23cm, and a thickness of 3.9cm.what is the density of the physics book if it
1. 1 answer
2. 1,431 views
How do you estimate and calulate quotients with decimals
1. 0 answers
2. 474 views
ok i need help on this other questionplease A 56.0 kg skier is at the top of a slope. At the initial point A, the skier is 14.0
1. 1 answer
2. 852 views
i need helpit says a shopper in a supermarket pushes a cart with a force of 36N directed at an angle of 26 degrees downward from
1. 1 answer
2. 1,023 views
ok it saysa shopper in a supermarket pushes a cart with a force of 36N directed at an angle of 26 degrees downward from the
1. 0 answers
2. 729 views
why are the small events of life important to you?i say that how you treat the small everyday events of life is a microcosm of
1. 2 answers
2. 488 views
what are the similarities and differences between an arithmetic sequence and a linear equation?ok i know that arithmetic
1. 2 answers
2. 6,069 views
ok thiis is my work for the nextquestion. im i right? im not sure on the question where it asks: what is its acceleration?
1. 1 answer
2. 503 views
ok and for this other question could you check my work please!h t t p : / /i 3 4 . t i n y p i c . c o m / s 2 z h m v . j p g
1. 1 answer
2. 379 views
ok heres my work for one of the questions. sorry is taking long to upload them.h t t p : / / i 3 7 . t i n y p i c . c o m / 2 n
1. 1 answer
2. 475 views
ok im doing my physics homework and we have to submit the answers online.i keep getting these questions wrong and i only have
1. 2 answers
2. 699 views
a 5.9 kg bucket of water is raised from a well by a rope.the acceleration of gravity is 9.81 m/s^2 if the upward acceleration of
1. 2 answers
2. 785 views
ok im doing my physics homework and we have to submit the answers online.i keep getting these questions wrong and i only have
1. 3 answers
2. 1,040 views
two men decide to use their cars to pull a truck stuck in mud. They attach ropes and one pulls with a force of 688 N at an angle
1. 1 answer
2. 1,289 views
two lifeguards pull on ropes attached to a raft. If they pull in the same direction, the raft experiences a net external force
1. 2 answers
2. 849 views
four forces act on a hot air ballon356 N north 129 N west 297 N east 156 N south a)find the magnitude of the resultant force on
1. 4 answers
2. 1,956 views
thanks for your help!and thankyou for explaining how you got the answer because that way i know what i was doing wrong. now it
1. 1 answer
2. 497 views
Could u help with physics hw! i keep trying but i keep getting the wrong answer?a 71g autographed baseball slides off of a 1.3 m
1. 1 answer
2. 809 views
How can I calculate the exothermic lattice energy when all I am given is the compound formula LiF?
1. 1 answer
2. 523 views
I posted this question three days ago but no one answered.Hi you guys I am having trouble with the "cell communication" chapter
1. 2 answers
2. 714 views
Hi you guys I am having trouble with the cell communication chapter so I would really appreaciate if someone could help out with
1. 0 answers
2. 561 views
Explain how the ways in which plants and animals get their energy differ?
1. 2 answers
2. 620 views
We are supposed to give a presentation of a certain author, we are supposed to talk about customary themes; but even though I
1. 0 answers
2. 591 views
1.What is the mass of 2.0 moles of LiOH?Atomic mass Li + atomic mass O + atomic mass H = molar mass LiOH. grams in 2 mol = #mols
1. 0 answers
2. 679 views
Hi I'm supposed to write a story on the school's CSTs scores and eve though I have tried, I haven't been able to find a website
1. 0 answers
2. 520 views
I can't find a substance apart of water with a pH of 7,so i have a question, i don't know if water is the only neutral substance
1. 0 answers
2. 986 views
Neeka gave one fifth of her mangoes to her brother, she sold five eighths of the remainder, she was left with 12 mangoes. How
1. 0 answers
2. 549 views