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Science/Technology
Page 7
Questions (668)
In what ways does the manufacture of a Hybris hybrid powered car use petroleum as a fuel?
1 answer
asked by
lisa
863 views
oky i have to make a tornadod simulator but what can i make it out of
http://www.facethewind.com/tornsim/tornsim.html has some
1 answer
asked by
cc
852 views
Does anyone know the terminal velocity of a human being?
4 answers
asked by
Anonymous
819 views
Figure 2-42 shows a simple device for measuring your reaction time. It consists of a cardboard strip marked with a scale and two
1 answer
asked by
ahmet
846 views
Genetic engineering is the manipulation of genes using cloning and transformation to change the gene structure. Genetic
3 answers
asked by
Anonymous
828 views
Every few years, sailboats of different countries compete in a race for a trophy called the America's Cup. The boats sail over
1 answer
asked by
emoo
99 views
•Decide which type of project you’re doing. Projects can be entered as one of two types: (1) Science / Technology, or (2)
4 answers
asked by
Lauren
1,354 views
READING & EVIDENCE IN SCIENCE
Instructions: Read the following and then answer the questions, using evidence from the text. Make
1 answer
asked by
BRU
133 views
inside the cylinders of a diesel engine, what helps to ignite the fuel and air?
2 answers
asked by
Coby
902 views
Explain the nature of panning with in the light of present and future conditions?
1 answer
asked by
Extension Program plannig
39 views
Shown below is a rough sketch of the unary phase diagram (pressure vs. temperature) for carbon dioxide , dry ice. Note the
2 answers
asked by
cristie
830 views
What are the advantages of a gas as a coolant? (instead of heavy/normal water)
(in a fission reactor)
2 answers
asked by
william
789 views
A heat lamp produces 22.5 watts of power at a wavelength of 6.0 {\rm \mu m}.
How many photons are emitted per second? 1{watt}} =
3 answers
asked by
Greg
806 views
Why does tha physicist believe," a measurement without a quoted error is meaningless "?
Please help!!
2 answers
asked by
Maria
798 views
IX. Reading & Evidence Questions:
16. Using the text above, what is the main difference between a generator and a motor? Hint:
1 answer
asked anonymously
129 views
Explain how vacuum flask construction minimizes heat exchange with the surroundings
4 answers
asked by
Blessing
729 views
An air condition lowers the temperature of the surrounding air.Water condensed from air is mostly likely to run out of the
3 answers
asked by
leajia
733 views
A model train is a scale model created from actual measurements. The scale factor for HO or Half Zero model trains is 1:87. A
2 answers
asked by
Anonymous
674 views
Is there an experiment I could do to prove that soap is made up of fat and lye?
Thank you for using the Jiskha Homework Help
1 answer
asked by
Lindsay
630 views
What is the first strange thing that happens on Maple Street?
(1 point) Responses The power goes out. The power goes out. Lights
1 answer
asked anonymously
108 views
An astronaut in a spaceship is listening to his music. Calculate the time it takes to play a 4.00 minute song at 0.1c
3 answers
asked by
Liz
616 views
A certain dog whistle operates at 23.5 kHz, while another (brand X) operates at an unknown frequency. If neither whistle can be
2 answers
asked by
Zach
626 views
a sports car can accelerate fo 0 to 60 in 3.2seconds what is the acceleration of the car in m/s^2 what distance would it travel
2 answers
asked by
glenn
571 views
a sprinkler system on a baseball diamond rotates 120 degrees and sprays water up to 35 meters. What is the area of the diamond
2 answers
asked by
ceci
617 views
The intensity level of a sound is reported in unit decibel(dB). how does IL change if we increase a sound intensity by a factor
3 answers
asked by
Brittany
588 views
Explain the energy transformations during skydiving?
please note: that I need to EXPLAIN!!! Thank you very much in advance...your
2 answers
asked by
Anonymous
570 views
The useful power output of Bryan Allen, who flew a human-powered airplane across the English Channel on June 12th, 1979, was
3 answers
asked by
Seth
577 views
Please help me with this one.
You are trying to dissolve oxygen in water. Will you be successful? Explain your answer.
1 answer
asked by
Lydia
558 views
if i used one of my hair strands to frame someone is there a possible way of people finding out?
4 answers
asked by
lemonlime 🍋
18 views
How will resistance change when the voltage increases in an electric circuit if the current remains constant
2 answers
asked by
Anonymous
576 views
the russian name given to a person who travels into space it is a 9 letter word
2 answers
asked by
TAYLOR
552 views
When did Gregor Mendel publish his results ?
When did people notice how important his work was ?
4 answers
asked by
Anabelle
553 views
Okay so in our class we did an ice cream lab where we use Ziploc bags to make ice cream. We made an ice cream mixture and then
3 answers
asked by
Jessica
563 views
Crystal can ride her bike 10 miles in 2.1 hours. What is her velocity?
2 answers
asked by
Stacy
552 views
I am doing a presentation on Designer Babies for school. I have to discuss how Designer Babies will impact society in a bad way.
2 answers
asked by
Amanda
563 views
Calculate the resistance of a copper wire cross section area 2*10_2 the resistivity of wire is 1.67*10_ohm metre
2 answers
asked by
jyiti Bahuguna
562 views
A country has 135 years of iron reserves at the current rate of consumption. Suppose that the demand for iron in the country is
2 answers
asked by
leung
527 views
Bot what is heat? What is cold?
1 answer
asked by
Hello
64 views
Explain how voltage current and resistance could interact to give a person a
severe electrical shock if he or she touched an
3 answers
asked by
Lila
540 views
Clap your hands and estimate the energy and power released as sound waves.
I know Kinetic energy= 1/2*m*v^2 and Power is KE/t but
2 answers
asked by
Allie
518 views
The goal is to shoot down my friends drone with a paintball. We need to know how quickly my paintball will reach a maximum
2 answers
asked by
Amanda
509 views
how long it take for paper to mold
7 answers
asked anonymously
27 views
The national Aeronautics and Space administration (NASA) studies physiological effects of large accelerations on astronauts.
1 answer
asked anonymously
49 views
Question 1%0D%0AClick here to read the entire article. Click here for a read aloud of this section. %0D%0A%0D%0AShould We Bring
1 answer
asked by
LOVE ENDLESSLYYY
49 views
The issue of cloning has been an issue for quite some time. Many believe that cloning is unethical, The biggest reason is
13 answers
asked by
anonymous
528 views
A switch on a circuit board can be in two states. What are they?
(1 point) O input or output O on or off O left or right O user
1 answer
asked anonymously
44 views
I need help on number 3.the question is. According to information from NASA the space Shuttles external fuel tank has a capacity
2 answers
asked by
TALARIYAH
531 views
Used in coating filaments of light bulbs
2 answers
asked by
Regine
465 views
On rainy and humid days, you should add less waer then the recipe calls for. On dry days, you should add more. Speculate what
2 answers
asked by
Chelsea
466 views
Before CDs and cassette tapes, there were vinyl records. The most comon spun with an angular velocity of 33.3 rpm . How many
1 answer
asked anonymously
41 views
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