Tuesday
August 30, 2016

Homework Help: Science: Earth

Recent Homework Questions About Earth

math
An object that weighs about 2.1 pounds on the moon weighed 12.56 pounds on Earth. About how much would an astronaut who weighs 174 pounds on Earth weigh on the moon?
Thursday, December 17, 2015 by sharday

Social Studies
According to Aborigine spiritual beliefs, the Earth is a. a place of unending suffering and pain.*** b. a source of wealth to conquer in the name of one's ancestors. c. an ancient gift of the gods. d. a place where humans were banished from the gods.
Wednesday, December 16, 2015 by Kaai97

Social Studies
According to Aborigine spiritual beliefs, the Earth is (1 point) a. a place of unending suffering and pain.*** b. a source of wealth to conquer in the name of one's ancestors. c. an ancient gift of the gods. d. a place where humans were banished from the gods.
Wednesday, December 16, 2015 by Kaai97

Social Studies
Which of the fallowing is not true about Aborigine culture? a. It is the oldest surviving culture on Earth*** b. Tradition Aborigine societies found agricultural settlements c. Aborigine do not believe that land belongs to humans d. Aborigine groups are spread across the ...
Wednesday, December 16, 2015 by Kaai97

science help PLS
An astronomer sees two stars in the sky. Both stars are equally far from Earth, but the first star is brighter than the second star. Which of the following is a valid conclusion about the first star? It is larger than the second star. It is smaller than the second star. It is ...
Wednesday, December 16, 2015 by Oscar

Physics
Take the mass of the Earth to be 5.98 × 1024 kg. If the Earth’s gravitational force causes a falling 44 kg student to accelerate downward at 9.8 m/s2, determine the upward accelera- tion of the Earth during the student’s fall. Answer in units of m/s2.
Wednesday, December 16, 2015 by Lily

science help PLS
Which of the following correctly describes a way in which Earth’s atmosphere interacts with the geosphere? It contains gases that living organisms breathe. It contains gases that trap incoming solar radiation. It provides a medium for cycles that provide nutrients to ...
Tuesday, December 15, 2015 by Oscar

Science
What can scientists learn from the rate at which radioactive elements decay? A. a rock's absolute age* B. the relative age of rock layers C. where one soil horizon ends and the next begins D. the difference between molds and casts. The relative age of a rock is A, its age ...
Tuesday, December 15, 2015 by Brittany P.

Science HELP PLZ
1. Which type of eclipse would you expect to see if the moon passes directly between Earth and the sun? (1 point) a solar eclipse* a lunar eclipse a total lunar eclipse a penumbra 2. Which of the following statements about a lunar eclipse is true? (1 point) A lunar eclipse can...
Monday, December 14, 2015 by Layla

Physics
An astronaut on board a spacecraft is in orbit around the earth in uniform circular motion. Is her velocity speed and acceleration constant?
Monday, December 14, 2015 by Haylee

Physis
The question: You are standing on a large sheet of frictionless ice and holding a large rock. In order to get off the ice, you throw the rock so it has velocity 11.9 m/s relative to the earth at an angle of 36.8∘ above the horizontal. If your mass is 70.5 kg and the rock...
Sunday, December 13, 2015 by RK

physics
How much would the time keeping of a pendulum clock be affected by taking it to the moon? Gravity is 1.6m/s ^2, compared with 10m/s ^2 on the earth.
Saturday, December 12, 2015 by Peter

Adv. Func./Science Question
Hi, I have this question that I will be tested on but my teacher didn't teach us how to do it so I am confused on how to even start. Please explain on how to start the question...thank you How bright a star appears can depend on how much light the star actually emits and ...
Saturday, December 12, 2015 by Vivian

Ap physics 1
The mass of a star in a galaxy far, far away, is 3.12 × 105 Earth masses, and the mean distance from the center of this star to the center of a planet with the same mass as our Earth is 2.46 × 108 km. Treating this planet and star as particles,with each mass ...
Friday, December 11, 2015 by Jonathan

science + check over
please check my answers + help me improve them. * 1.) explain why earth & other planets were not solid when they formed during the beginning of the precambrian, approximately 4,600 million years ago + what was this particular time period called & why is this time period not ...
Friday, December 11, 2015 by abx +

Language Arts
1. Which sentence contains an opinion? (1 point) Thomas Jefferson supported American independence from Great Britain. He was a lawyer in his home state of Virginia. Jefferson authored the Declaration of Independence, the most important document in history.•• He ...
Friday, December 11, 2015 by Alex

Physics
The average speed of an orbiting space shuttle is 19700 mi/h. The shuttle is orbiting about 125 mi above the Earth’s surface. Assume the Earth’s radius is 3963 mi. How long does it take to circle the earth? Answer in units of h.
Thursday, December 10, 2015 by Lily

Science
1. how does earth's rotation cause day and night? (1pt) A.)As the earth rotates toward the east the sun appears to rise in the east and set in the west. B.)As earth rotates towards the east, the sun appears to rise in the east and set in the west C.)Earth rotation does not...
Thursday, December 10, 2015 by YRN DJ

Physics
2. Saturn has a radius of about 9.0 earth radii, and a mass 95 times the Earth’s mass. Estimate the gravitational field on the surface of Saturn compared to that on the Earth. Show your work. Answer: g= GM/r² G= 6.67 * 10^-11 Nm²/kg² ME= 5.98 * 10^24 kg RE=...
Thursday, December 10, 2015 by Danielle

Earth Science
Compared with dull and rough rock surfaces, shiny and smooth rock surfaces are more likely to cause sunlight to be… my answer is reflected. Am i right?
Wednesday, December 9, 2015 by KaiCaster

Earth Science
In recent years, scientists have been concerned about decrease in the ozone content of earth’s upper atmosphere. What is the principle threat to humans if this decrease in ozone continues? My answer is, Decreasing precipitation leading to crop failure and possible human ...
Wednesday, December 9, 2015 by KaiCaster

Earth science
What prevents life from developing on land before Earth’s atmosphere contained a significant portion of oxygen? (1) All land locations were too hot for life to exist. (2) All terrestrial environments were too cold for life to even exist. (3) All forms of life require ...
Wednesday, December 9, 2015 by KaiCaster

Earth Science
If atmospheric pressure is 30.40 inches of mercury, what is the air pressure in millibars? (1)1016 mb (2)1028.3 mb (3)1029 mb (4)1029.5 mb I think that the answer is either 2 or 4, could you check my answer?
Wednesday, December 9, 2015 by KaiCaster

Science
1.)TRUE OR FALSE: Scientific investigations involve testable questions. * True False 2.)Which of the following would not be a reliable place to find research for a scientific investigation? * science journals experts wikipedia textbooks 3.)Why should a scientist reapeat an ...
Wednesday, December 9, 2015 by Jasmine

jay kay public
Consider a planet in space whose mass is twice that of earth and radius is thrice that of earth what will be the weight of a body on this planet if its weight on the earth is 900N ??
Tuesday, December 8, 2015 by adi

Physical science
the space shuttle typically orbits 400 km above the earth's surface.the earth hass a mass of 5.98*10 to the 24 squared kg and a raduis of 6,380 km.A)how much would a 2000 kg part form the space station weight when it has been lifted to that orbit in the shuttle's cargo...
Monday, December 7, 2015 by Chad

physics
On planet X, an object weighs 18.1 N. On planet B where the magnitude of the free-fall acceleration is 1.28 g (where g = 9.8 m/s 2 is the gravitational acceleration on Earth), the object weighs 37.9 N. The acceleration of gravity is 9.8 m/s 2 . What is the mass of the object ...
Monday, December 7, 2015 by zach

Physics Help
A dumbbell has a mass m on either end of a rod of length 2a. The center of the dumbbell is a distance r from the center of the Earth, and the dumbbell is aligned radially. If r≫a, the difference in the gravitational force exerted on the two masses by the Earth is ...
Monday, December 7, 2015 by jacob

Science
1.)Why is Earth’s temperature just right for life? (1 point) A.)Earth’s core is hot enough to heat Earth’s surface. B.)Earth’s magnetic field creates suitable temperatures on Earth’s surface. C.)Earth’s crust is warmed by heat from the sun. D.)...
Monday, December 7, 2015 by YRN DJ

Science
A spring scaled is used to measure the weight of a object on the earth. The scale on the moon would read what?
Sunday, December 6, 2015 by Marissa

Physics
A star the size of our Sun runs out of nuclear fuel and, without losing mass, collapses to a white dwarf star the size of our Earth. The radius of our Sun is 6.96×108m , the radius of Earth is 6.37×106m . If the star initially rotates at the same rate as our Sun, ...
Sunday, December 6, 2015 by Viert

Earth science
According to the suplimentary demands the price you pay for a product is determine both by its availability and by consumer demand for the product. On the basis of the principle, which mineral do you think have a higher value, iron containing mineral or feldspars? Some one ...
Sunday, December 6, 2015 by Kayla

Science
A spring scaled is used to measure the weight of a object on the earth. The scale on the moon would read what?
Sunday, December 6, 2015 by Marissa

Science
A spring scaled is used to measure the weight of a object on the earth. The scale on the moon would read what?
Sunday, December 6, 2015 by Marissa

Chemistry
the effective incoming solar radiation per unit area on earth is 342 W/M^2. of this radiation, 6.7 W/m^2 is absorbed by CO2 at 14993 nm in the atmosphere. how many photons at this wavelength are absorbed per second in 1 m^2 by CO2?
Saturday, December 5, 2015 by Anonymous

english
how would you describe some who is crazy to jump from outer space to earth
Saturday, December 5, 2015 by Adam

Chemistry (Gas)
A cylinder is filled with 120L of air at 101 kPa and 20*C. How long could the cylinder be used "just underwater" on earth assuming 2L is used every 5 seconds. I don't understand what the pressure and temperature would be "just underwater." Is it assumed...
Saturday, December 5, 2015 by A

physics
The weight of an object on earth is 20 newton if the object put 6400km above from the earth so what was the weight of the object if the radius of earth is 6400 km
Saturday, December 5, 2015 by naina

Science
1. Under which of the following conditions would a fossil most likely form? A. A living thing dies and sediment is very slowly deposited on top of its body. B. A living thing dies and sediment quickly covers its body. C. A living thing dies and its skeleton is left exposed to ...
Thursday, December 3, 2015 by Cami

Science
1. Under which of the following conditions would a fossil most likely form? A. A living thing dies and sediment is very slowly deposited on top of its body. B. A living thing dies and sediment quickly covers its body. C. A living thing dies and its skeleton is left exposed to ...
Thursday, December 3, 2015 by Cami

SCIENCE ...Check answers PLZ
1. Under which of the following conditions would a fossil most likely form? A. A living thing dies and sediment is very slowly deposited on top of its body. B. A living thing dies and sediment quickly covers its body. C. A living thing dies and its skeleton is left exposed to ...
Thursday, December 3, 2015 by Cami

astronomy
A possible trajectory for sending a spacecraft to Mars is an elliptical orbit with Earth at its perihelion and Mars at its aphelion. The craft would be launched out of low-Earth orbit by a quick burst of rockets into solar orbit, and would then "coast'' until ...
Thursday, December 3, 2015 by johan

SCIENCE
1. Under which of the following conditions would a fossil most likely form? A. A living thing dies and sediment is very slowly deposited on top of its body. B. A living thing dies and sediment quickly covers its body. C. A living thing dies and its skeleton is left exposed to ...
Thursday, December 3, 2015 by Cami

Earth Science
Which of the following is not a process that forms metallic ore? placer deposits *** fossil compaction hydrothermal solutions igneous processes 5. Which of the following nonmetallic mineral resources is used both as a building material and as an industrial mineral? sulfur ...
Thursday, December 3, 2015 by Anonymous

Earth Science
Which of the following is not a process that forms metallic ore? placer deposits *** fossil compaction hydrothermal solutions igneous processes 5. Which of the following nonmetallic mineral resources is used both as a building material and as an industrial mineral? sulfur ...
Thursday, December 3, 2015 by Anonymous

Physics
You jump from a height of 1.0m from the surface of the Earth. The Earth will actually move a bit as you land. a.) Explain Why b.) Estimate the distance the Earth moves, listing any assumptions you make
Wednesday, December 2, 2015 by Jack

Physics
NASA lost contact with Pioneer 10 on January 22, 2003. How far in meters was it from the sun on that date? Pioneer 10 was traveling at 12.24 km/s relative to the sun. Calculate the position of Pioneer 10 as of January 2009 relative to the sun. Pioneer is headed toward the star...
Wednesday, December 2, 2015 by Madison

Physics
When you drop a 0.27-kg apple, Earth exerts a force on it that accelerates it at 9.8 m/s2 toward Earth's surface. According to Newton's third law, the apple must exert an equal and opposite reaction force on Earth. If the mass of Earth is 5.98 1024 kg, what would be ...
Wednesday, December 2, 2015 by Anonymous

physics
A dumbbell has a mass m on either end of a rod of length 2a. The center of the dumbbell is a distance r from the center of the Earth, and the dumbbell is aligned radially. If r≫a, the difference in the gravitational force exerted on the two masses by the Earth is ...
Tuesday, December 1, 2015 by brooklyn

Chemistry
Assume earth travels in UCM in orbit around the sun R=1.50 x 10 to the 11th power m T-365.25
Tuesday, December 1, 2015 by Anonymous

Science
Suppose the moon rotated on its axis just as quickly as earth. Would you still see the same side of the moon from earth? Please help!
Monday, November 30, 2015 by Amanda

Algebra
Sabrina is building a rectangular raised flower bed. The boards on the two shorter sides are 6 inches thick, and the boards on the two longer sides are 4 inches thick. Sabrina wants the outer length of the bed four times it's height and the outer width to be 2 times it'...
Sunday, November 29, 2015 by Help me

Science
How did the brightness or intensity of the light change as the degree of tilt increased? Which degree of tilt produced light similar to what North America experiences in the summer? What would be the effect on the seasons and the northern and southern hemispheres if earth were...
Saturday, November 28, 2015 by Ito

Social Studies, Ms. Sue, Reed, Check My Work
1. Geographers use the five themes of geography to (2 points) study world history. organize information. study world music. measure locations.• 2. People invented flat maps because globes cannot show (2 points) names of continents. shapes of continents. enough detail.&#...
Tuesday, November 24, 2015 by Sam

physics
Two satellite are monitored as they orbite the earth,satellites Y is foure times as far from the earth's centere as is satellite X. if the period of revolution of satellite X is T. What is the period of revolution of Y?
Monday, November 23, 2015 by debiru

Science
What would be a good way using the terms mass and weight to explain how to measure gold so it's the same on earth and on the moon?
Monday, November 23, 2015 by Patrick

Science
Why would the weight of gold be less on earths moon than it would be on earth?
Monday, November 23, 2015 by Patrick

science
As the moon revolves around the Earth, it also rotates on its axis. Why is it that the the same side of the moon is always visible from Earth?
Sunday, November 22, 2015 by Lakshmi

Physics
The earth spins on its axis once a day and orbits the sun once a year (365 1/2 days). Determine the average angular velocity (in rad/s) of the earth as it (a)spins on its axis and (b) orbits the sun. In each case, take the positive direction for the angular displacement to be ...
Saturday, November 21, 2015 by Jose Luis

Phyics
The foci of the elliptical path for an Earth satellite are __________. A) one at Earth's center and the other elsewhere B) one atop the other at Earth's center C) both inside Earth D) both outside Earth
Saturday, November 21, 2015 by sarah

Physics
Szymon and Chris fly their balloon around the earth in 80 days. Taking the radius of the earth to be 6400 km, calculate their average speed in m/s. I did answered all the homework questions but I didn't know how to do this one?
Saturday, November 21, 2015 by Andrew

math
A low land, 48m long and 31.5 m broad is raised to 6.5 dm. For this, earth is removed from a cuboidal hole, 27 m long and 18.2 m broad, dug by the side of the land. The depth of the hole will be? A man rows 12 km in 5 hrs against the stream, the speed of current being 4 kmph. ...
Friday, November 20, 2015 by adam

Check My Work Social Studies, Ms. Sue, Reed, Please
1. Geographers use the five themes of geography to (2 points) study world history. organize information. study world music. measure locations.• 2. People invented flat maps because globes cannot show (2 points) names of continents. shapes of continents.• enough ...
Friday, November 20, 2015 by Sam

Physics [Help, need answer in 10 min]
During a solar eclipse, the moon (of mass 7.36 × 1022 kg), Earth (of mass 5.98 × 1024 kg), and Sun (of mass 1.99 × 1030 kg) lie on the same line, with the moon between Earth and the Sun. What gravitational force is exerted on the moon by the Sun? The ...
Thursday, November 19, 2015 by James

SCIENCE
1. Which of the following is an example of an environmental pressure? (1 point) the air pressure in the atmosphere a lake that is gradually running out of water a fight between two members of the same species breeding between two members of the same species 2. Which of the ...
Thursday, November 19, 2015 by Anonymous

physics
What would be the orbital speed and period of a satellite in orbit 1.50 ✕ 10^8 m above the Earth?
Wednesday, November 18, 2015 by Jackson

English
What does Asimov predict will happen to earth in billions of years? a. it will be burned up by the sun b. its population will increase c. it will shrink slightly in size d. it will change position in the galaxy*****
Wednesday, November 18, 2015 by Ms. Sue?! please help

SS plz help me plzzzzzzz
What are the two major forces that reshape earth? Describe how itworks. plz plz plz help me there are no answer choices hope u can still help
Wednesday, November 18, 2015 by #AriannaGirl :)

English
Please check my answers! This story was pretty confusing to me. 1. The purpose of the anecdotes in "The Last Judgment" about each person Kugler has known serve most to A. generate sympathy for Kugler B. Add characters to the story C. Help the judges make their ...
Wednesday, November 18, 2015 by Anonymous

SS PLZ HELP ME ASAP
What are the two major forces that shape and reshape earth? Describe how each one works. plz plz plz help me there are no answer choices hope u can still help
Wednesday, November 18, 2015 by #AriannaGirl :)

Science
1) Explain why Earth and other planets were not solid when they formed during the beginning of the Precambrian, approximately 4,600 million years ago (MYA). What was this particular time period called, and why is this time period not really considered a part of Earth’s ...
Tuesday, November 17, 2015 by Anonymous

SCIENCE check answers please :)
1) Explain why Earth and other planets were not solid when they formed during the beginning of the Precambrian, approximately 4,600 million years ago (MYA). What was this particular time period called, and why is this time period not really considered a part of Earth’s ...
Tuesday, November 17, 2015 by Cami

Physics
A satellite is in a circular orbit 810 km above the Earth’s surface; i.e., it moves on a circular path under the influence of nothing but the Earth’s gravity. Find the speed of the satellite. The radius of the Earth is 6.37 × 106 m, and the accel- eration of ...
Tuesday, November 17, 2015 by Kiara

physics
A 4 . 7 kg mass weighs 39 . 95 N on the surface of a planet similar to Earth. The radius of this planet is roughly 6 . 2 × 10 6 m. Calculate the mass of of this planet. The value of the universal gravitational constant is 6 . 67259 × 10 − 11 N · m 2 / ...
Monday, November 16, 2015 by Anonymous

Physics 1111 at UGA
If a projectile is launched from Earth with a speed equal to the escape speed, how high above the Earth's surface is it when its speed is one third the escape speed?
Monday, November 16, 2015 by Merritt

Science
Which of the following gases was most likely present in Earth's earliest atmosphere? A. nitrogen B. hydrogen* C. argon D. oxygen Which of the following statements accurately describes the development of the geologic time scale? A. Scientists developed the geologic time ...
Monday, November 16, 2015 by Anonymous

Science CHECK ANSWERS PLZ
Which of the following gases was most likely present in Earth's earliest atmosphere? A. nitrogen B. hydrogen* C. argon D. oxygen Which of the following statements accurately describes the development of the geologic time scale? A. Scientists developed the geologic time ...
Monday, November 16, 2015 by Anonymous

Physics
Determine the velocity of the Hubble deep space telescope while it is in orbit at a height of 598 km (5.98 x 105 m) above the earth’s surface. The earth’s radius is approximately 6.4 x 106 m. The mass of the earth is 6.0 x 1024 kg.
Sunday, November 15, 2015 by Smit

Physics
rotating space station has radius 1380 m, measured from the center of rotation to the outer deck where the crew lives. What should the period of rotation be if the crew is to feel that they weigh one-half their Earth weight?
Sunday, November 15, 2015 by Anonymous

Math, physics
A rotating space station has radius 1380 m, measured from the center of rotation to the outer deck where the crew lives. What should the period of rotation be if the crew is to feel that they weigh one-half their Earth weight?
Saturday, November 14, 2015 by Pikka

physics
Two satellites are monitored as they orbit the earth,satellites Y is foure times as far from earth's centre as is satellite X. IF the period of revolution of satellite X is T. WHAT IS THE PERIOD OF REVOLUTION OF OF Y?
Saturday, November 14, 2015 by barch

Chemistry
On Earth, naturally occurring calcium metal contains 6 isotopes: Ca-40, Ca-42, Ca-43, Ca-44, Ca-46, Ca-48. Select all of the following that are true for a sample of naturally occurring calcium. A) The average mass of the calcium atoms is 40.078 amu. B)One mole of Ca-40 has a ...
Thursday, November 12, 2015 by Kayte

Physics
The moon is a satellite that orbits the earth at a radius of 3.85 × 108 m. The mass of the earth is 5.98 × 1024 kg. What is the orbital speed of the moon?
Thursday, November 12, 2015 by Hannah

Science
The geologic time scale originally ordered Earth's rocks by: A. absolute age B. relative age*** C. composition D. decades and centuries Where did scientists originally get their information to develop the geologic time scale? A. They collected and studied rock samples in ...
Thursday, November 12, 2015 by Anonymous

Physics
How far above the surface of the earth would you have to be before your weight is reduced by 13.52%?
Thursday, November 12, 2015 by Rebecca

Physics
Find the minimum initial speed of a projectile in order for it to reach a height of 2022 km above the surface of the earth.
Thursday, November 12, 2015 by Rebecca

earth sceince
Which of the following is a true of passive continental margins A. They generally have a deep trench B. They have a continental rise C. Crust is destroyed at their boundary D. They always have a subduction zone
Thursday, November 12, 2015 by samantha

Chemistry
Why are the two words "alkaline" and "earth" used to name the group 2 metals?
Wednesday, November 11, 2015 by Sarah

HELP PLEASE
1. Under which of the following conditions would a fossil most likely form? A. A living thing dies and sediment is very slowly deposited on top of its body. B. A living thing dies and sediment quickly covers its body. C. A living thing dies and its skeleton is left exposed to ...
Wednesday, November 11, 2015 by OHI

physics
If there were no air resistance, with what speed would drops hit the Earth if they fell from a cloud 3881 m above the Earth’s surface? The acceleration of gravity is 10 m/s
Wednesday, November 11, 2015 by Anonymous

Science CHECK ANSWERS! PLEASE HELP!! :(
1. Under which of the following conditions would a fossil most likely form? A. A living thing dies and sediment is very slowly deposited on top of its body. B. A living thing dies and sediment quickly covers its body. C. A living thing dies and its skeleton is left exposed to ...
Wednesday, November 11, 2015 by OHI

chemistry
1. Calcuate the distance(km) from the Earth to the Moon if it takes light 1.3 seconds to make the trip? 2. Saturn is about 1.2 billionkm from Earth. How long does it take light to travel that distance? (I was only given the wave equation, Max Plancks equation, De Broglies ...
Wednesday, November 11, 2015 by Brooke N

SCIENCE CHECK ANSWERS!!! HELP PLEASE
1. Under which of the following conditions would a fossil most likely form? A. A living thing dies and sediment is very slowly deposited on top of its body. B. A living thing dies and sediment quickly covers its body. C. A living thing dies and its skeleton is left exposed to ...
Wednesday, November 11, 2015 by OHI

physics
Goku wants to visit Andromaeda galaxy which is 2 million light years away from earth. If it takes 30 years in the frame of the spaceship to travel to Andromeda from earth, what should be the speed of the spaceship? Assume that the spaceship travels at constant speed
Tuesday, November 10, 2015 by Kitty

Science
1. Which layer of the sun's atmosphere are you looking at when you look at an image of the sun? Photosphere Chromospheres Corona Prominence 2. Which of the following materials could have been found in the giant cloud that formed the solar system? Hydrogen and helium ...
Monday, November 9, 2015 by Shalee^~^

Quick Physics Check
2. Which of the following examples does not show projectile motion? A. a tennis ball bounces across the net B. a ball is thrown at a downward angle toward a target on the ground C. a feather drifts to the ground D. a horseshoe is pitched at a stake Is it C? 3. Which of the ...
Monday, November 9, 2015 by Anonymous

Science
1. Which layer of the sun's atmosphere are you looking at when you look at an image of the sun? Photosphere Chromospheres Corona Prominence 2. Which of the following materials could have been found in the giant cloud that formed the solar system? Hydrogen and helium ...
Monday, November 9, 2015 by Shalee^~^

Science
Cosmos Episode 1 Worksheet Directions: Answer the questions as you watch episode 1 of Cosmos: A Spacetime Odyssey 1. What is the name of Neil deGrasse Tyson’s “spaceship” 2. What is responsible for creating wind and keeping everything in the solar system in its ...
Monday, November 9, 2015 by verna

earth/space
Maribel places her backpack and lunch bag on a lab table where there are lab materials. What is the safest way for Maribel to arrange the items?
Monday, November 9, 2015 by De'asia

ap physics
The acceleration due to gravity on the moon has a magnitude of 1.62 m/s. deal with a placekicker kicking a football. Assume that the ball is kicked on the moon instead of on the earth. Find (a) the maximum height H and (b) the range that the ball would attain on the moon.
Sunday, November 8, 2015 by Anonymous

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Homework Help: Science