what is 8 cm in inches?
What is hidrogen?
What is matter?
what is a structure
how many milligrams are in one oz
how many bones are in a body
What is static electricity?
Precipitation is part of the?
excuse me? what are you trying to say?
What happens when a candle is alight?
i need help its adout scince
who discover the concept of density
what is the facts plants anatomy and reproduction?
what does the cross in the warning signs mean?
what force if a child is holding a balloon,why?
what are the disadvantages of non aqueous titrations
Which of the following describes scientific inquuary
HOW BIG WOULD A PIECE OF PAPER BE IF IT IS 8 CM LOND?
how much heat does the sun give yiu
How do you think you could increase the purity of the nitrogen gas?
What are the equations for potential and kinetic energy?
What is the difference between chemical and physical change?
Which metel particles are the first to react the heat
name atleast two ways that pollinated occurs?
You burn a pice of paper what are the proucts after it burns?
The Big Idea of Energy sulphur and iron fillings
What gene and/or chromosome is mutated in this breast cancer disorder?
list as many non-renewable resources as you can find in your classroom
States the laws of reflection of sound and its two applications.
How the change of amplitude effects the time of one cycle of a pendulum?
after pollination and fertilization occurs the ovule develops into a ?
how many eggs dose a clown fish lay?help????
waht is the name of the hair in side your ear that vibrats so you can heah
When Delta T is 6 Degree centrigate then how much in Liter per minute
THE JOVI QUANTITIESGEAN PLANETS CONTAINS LARGE QUANTITIES OF ICE BECAUSE IT WAS?
HOW WERE THE LARGE CANYONS ON MARS THOUGHT TO HAVE BEEN FORMED?
if i push a marble with 10g of force how fast will it go?!?!?! year 7
definitions for force, mass, inertia and friction
us desh ka naam likiye jaha se tamaku ka sevan shuru hoo
A long magnet is broken into 10 piece?How many north pole will form
What could be some effects of population growth, natural disease ,and advanced technology systems on resource availability
Which of the following is not an example of a physical property of a substance? density combustion solubility freezing point thx
A paticule of weight 10N rest on a rough contact with a plane inclined at 30degress to slip.find the coefficent of friction
What process is mainly responsible for shaping Earth's land surface
Can crude oil burn in the Earth if it comes in contact with magma?
How grams of NACL are present in a 250-g solution containing 9% NACL?
A girl lifts a 12 N weight 1.5 meters. How much work does she do on the weight?
If the intensity is increased by a factor 20,by how many decibel is the sound level increased
is a chemical reaction and chemical change the same if not what is the difference?
20 question simple machine test websites
suppose that one of your test has a capacity of 23ml. you need about 5ml of liquid.describe how you could estimate 5ml.
as you drive down the highway you may see crows feeding on dead animals. as a result of this nutritional pattern,crows may be classified as
i passed ma matric last year and i would like to knw whch couse can i take nd where can i do it.i'mfrm limpopo around polokwane
A man pushes a 50N box across a level floor at a constant speed of 2.0m/s for 10s. Find the average power output by a man.
how to make a model for scince fair for purification of smoke coming out of chimneys? And how this purified smoke can be used for useful purposes? Does smoke contain moisture?
What are some advantage and disadvantage of using renewable resources in place of non-renewable resources?
Carbon tetrachloride reacts at high temperatures with oxygen to produce two toxic gases, phosgene and chlorine. CCl4(g) + 1/2O2(g) COCl2(g) + Cl2(g), Kc = 4.4 × 109 at 1,000 K Calculate Kc for the reaction 2CCl4(g) + O2(g) 2COCl2(g) + 2Cl2(g).
Hy my name is pretty my schol name is mdingazi doing physics...i don't know what to do about the career i have choosen can u please help.
Mars=750N the value of g is 38% of that of earth what is the mass of the men on the earth and his weight of mars
II.You are standing on the edge of a 50m high cliff and throw a ball vertically up with initial speed of 20m/s: 1.After how long will the ball hit the ground below? 2.Draw the v vs.t graph
i have to make a model for science fair. Any new development!. So please give me only idea that which new development can be possible with the help of eddy currents or induction of emf...........
If you were an environmental researcher and were given funding to assist with one environmental issue, which of the followingtopics would you choose to spend your funds on? Human population Atmospheric pollution Water Resources Terrestrial Resource Energy Conservation
A person is standing on 60m height per hour he throw one ball upwards with u=10m/s then find when the ball reach ground and velocity with which the ball strikes the ground
Fill in the blank Minerals is a naturally occuring, inorganic, crystalline solid, having a defintie chemical composition. Minerals are composed of one or more chemical eleents. Example: NaCl => __________=> salt plz help me.
A loboratory uses an ultrasonic-scanner to trance tumar in tissue. The operting frequency of the 6 scanner is 4.2*10 hz.calculate the wavelength of sound in the tissue if the speed of the sound is 1700 m/s.
1. I have to do scince and math homework tonight. 2. I have to do my science and math homework. ------------ Are both grammatical? Which one is commonly used? Do you have other way of expressing?
which two types of clouds indicate fair weather? A.cirrus and cumulus-My Answer B.cirrus and stratus C.cumulus and stratus D.cumulus and nimostratus
6.At the end of the 7th second the brakes are applied and the car slows down at a constant rate till it comes to rest in 5s. What is the acceleration? 7.Draw the v vs.t graph 8.find the final displacement: a)by using the graph b)by algebraic calculations using relevant formulae
1- What volume of hydrogen gas at 273 K and 1 atm pressure will consumed in obtaining 2.16 gm of elemental born(atomic mass=10.8)from the reduction of born trichloride by hydrogen: A- 44.8 lit B-22.4 lit C- 89.6 lit D-67.2 lit
For homework I have to bring in a graph from a newspaper. The thing is that I don't have a newspaper so my teacher said that I can print a line graph. Is there a printable line graph????? please help
The population of Singapore is 4987600 people. The territory of Singapore is 710.2 km^2. the population of South Africa is 2171000people, while its territtory is 824292. Estimate the population densities of Singapore and South Africa.
4.The brakes are applied at the end of the 100s and the car comes to a stop within 20m, slowing down at a constant rate. What is acceleration? 5.Now the car turns back and its speed increases at 5m/s^2 for 7s. What is its speed at the end of 7th second? What its velocity at ...
I don't know if its a scicnce condition question though but.If u have a condition called scoliosis which is have a condition with ur back that 1 of ur solider blades is bigger than the other and the spine is curved from not rlly sitting up staright at all rlly is there ...
When a body hanging from a spring balance is immersed in water it floats just below the surface of water and shows 100 g loss in its weight (i) What is the weight of the body in water? (ii) What is the weight of the body in air? (iii) What is the upthrust on the body? (iv) ...
III) The municipality of New York supplies 2 million cubic metres of water per month to the city of New York. If a household consumes about 30killo-littres of water per month, estimate the number of residents in New York ,assuming that a household has five members on everage.
how are ice cubes made http://home.howstuffworks.com/icemaker.htm my science teacher, mr.Abothu, has set us homework on input variables and output variables but we have no clue what they are and its got to be in tomorrow! please help!!! regards lauren rhodes
During a rain storm, rain comes straight down with velocity Vi =-15 m/s and hits the roof of a car perpendicularly. The mass of the rain per second that strikes the roof is 0.060 kg every second. Assuming that the rain comes to rest upon strikingthe car ( Vf = 0 m/s), find the...
A ball is dropped from a building and falls with an acceleration of magnitude 10m/s^2. The distance between floors in the building is constant. The ball takes 0.5s to fall from the 14th to the 13th floor and 0.3s to fall from the 13th floor to the 12th. What is the distance ...
One molecule of water (H2O) contains two atoms of hydrogen and one atom of oxygen.A hydrogen atom has a mass of 1.0 u and an atom of oxygen has a mass of 16 u, approximately. (a) What is the mass in kilograms of one molecule of water? (b) How many molecules of water are in the...
What happens to the particles inside the balloon?do the... A) increase in speed B) decrease in speed C) the particles increase in size D) the particles decrease in size E) increase in number F) decrease in number G) something else happens like_____________
answer the following question: QUESTION 4: What does it mean if a compound has a solubility of 15g in 100g of water at 0 degrees Celcius? A) 100 g of the compound will dissolve in 15 g of water at 0 degrees celcius B)15 g of the compound will dissolve in 100g of water at 0 ...
the use of haevy farm machinery tilling and clear cutting: A)allows farmers to reuse thier lands for decades B)causes rain forest to grow back in record numbers C)has been banned in most parts of the region scince 1995 D)causes soil erosuon and desertification my choose is d ...
1. Patty wants to go to the beach so need to plan her trip. The beach is 165 km away from her house. She will be on the Parkway most of the time going an average of 30 km/h. What time will she reach the beach if she leaves her house at 6:00am? 2. Jack has to take the bus to ...
Endangered Species http://www.google.com/search?as_q=&hl=en&num=10&btnG=Google+Search&as_epq=endangered+species&as_oq=&as_eq=&lr=&as_ft=i&as_filetype=&as_qdr=all&as_nlo=&as_nhi=&as_occt=title&as_dt=i&as_sitesearch=&as_rights=&safe=images
am having trouble with Restate the problem in terms of the following: Manipulated variable Constant (control) variables Principles of experimental design State in correct form the hypothesis you intend to demonstrate. I have conducted the experiment but I am not sure how to ...