Number of results: 4,677
Physics
(i) applied force and gravity (ii) gravity (iii) gravity (b)equal and opposite forces on the person applying the force and to the earth (gravity)
Tuesday, October 6, 2009 at 11:08pm by drwls
Physics 6A
you need to add units to the measurements. Ill assume the following: 330 kilograms, 3.8 meters, 23 degrees. mass*gravity*amount of gravity working= 330*9.8*cos(90-23)=force or work of gravity if the man fights gravity the entire time then his force is equal and opposite to ...
Friday, May 11, 2012 at 4:46pm by Jay
5th Grade Science
The force of attraction between the Earth and an object is called? A. Magnetism B. Mass C. Energy D. Gravity http://en.wikipedia.org/wiki/Gravity hey ken. someone told me it was gravity So you think it is gravity
Wednesday, April 18, 2007 at 5:14pm by Missy
science
Gravity on the surface of the moon is only 1/6 as strong as gravity on the Earth. What is the weight of a 15 kg object on the Earth? The acceleration of gravity is 10 m/s 2
Wednesday, October 19, 2011 at 9:45pm by Anonymous
Physics
Gravity on the surface of the moon is only 1 6 as strong as gravity on the Earth. What is the mass of a 30 kg object on the Earth? The acceleration of gravity is 10 m/s
Monday, September 26, 2011 at 4:35pm by Anonymous
physics
gravity on the surface of the moon is only 1/6 as strong as gravity on earth. what is the weight of a 37 kg object on the earth? The acceleration of gravity is 10m/s answer in units of N
Thursday, October 14, 2010 at 8:31pm by Anonymous
Physics
Gravity on the surface of the moon is only 1 as strong as gravity on the Earth. 6 What is the weight of a 30 kg object on the Earth? The acceleration of gravity is 10 m/s2 . Answer in units of N.
Thursday, November 4, 2010 at 9:17pm by Dede
Physics
Gravity on the surface of the moon is only 1 6 as strong as gravity on the Earth. What is the weight of a 33 kg object on the Earth? The acceleration of gravity is 10m/s2 . Answer in units of N.
Thursday, November 4, 2010 at 9:01pm by RImon
College Physics
Gravity on the surface of the moon is only 1/6 as strong as gravity on the Earth. What is the weight of a 14 kg object on the Earth? The acceleration of gravity is 10m/s2 . Answer in units of N.
Tuesday, March 2, 2010 at 12:59pm by Jennifer
college physics
Hmm. I thought gravity provided the centripetal force. The object wants to fly off at a tangent, but gravity keeps bending the trajectory. Is there another force besides gravity act work?
Monday, September 24, 2012 at 4:17pm by Anonymous
physics
A 4.36 × 10−5 kg raindrop falls vertically at constant speed under the influence of gravity and air resistance. After the drop has fallen 88.1 m, what is the work done by gravity? The acceleration of gravity is 9.8 m/s2 . Answer in units of J
Wednesday, October 26, 2011 at 5:47pm by lynn
Physics
A 4.00kg crate is slowly lifted to a height of 1.50m. a.How much work is done by the lifting force? b.against gravity? C.by gravity? a, Work done is m*g*height b. the work done is against gravity. c. Because the box is lifted, the work done by gravity is negative (-mgh)
Saturday, September 16, 2006 at 7:02am by stefy
Science (planets/gravity)
What keeps all the planets the big ones and the small ones in orbit in our big solar system? A.The gravity from the sun. B.The gravity from the moon. C.The gravity between all the planets. D.The gravity from the beautiful our earth. What do all the planets orbit around? the ...
Wednesday, April 18, 2007 at 4:50pm by Hot stuff
science
in the year 1971. astronaut alan shepard hit a golf ball whila on the surfase of the moon. it became the longest golf shot in history alan shepard was able to hit his recod golf shot because A.the moon dods not have any gravity B.THE GRAVITY OF THE MOON IS WEAKER THAN THE ...
Saturday, November 8, 2008 at 11:40pm by steven
Maths
A perfectly cylindrical container standing upright with a top and bottom(an oil drum or coke can for example) of area A has an empty mass of M and a height of H. It is filled with a liquid of uniform density(p)up to the height of h. When the container is full the centre of ...
Saturday, April 28, 2012 at 7:28am by Stephen
science
the moon's gravity is about one-sixth the gravity on earth. mar's gravity is about one half the gravity on earth. make a bar graph that shows your weight (95 lbs) in newtons on earth, moon, and on mars. A newton is equal to about one quarter of a pound.
Thursday, May 12, 2011 at 7:48pm by nikki
physics
Standing straight, the center of gravity is approximately at the waist. When we lean forward, the top part of the body moves forward, the center of gravity is moved to a position in front of us. Gravity does the rest.
Sunday, November 23, 2008 at 2:04pm by DrBob222
physics
A) PE of gravity= m*g*h m=mass of object g=acceleration due to gravity h= distance mass= weight/gravity=4.383 PE=(4.383kg)(9.81 m/s^2)(1.7m) PE=73.095 J
Wednesday, February 8, 2012 at 9:13am by alexis
Physics
For which of the following situations can the equation F = mg not be used to calculate the force due to gravity? a) The pull of gravity on an apple on the surface of the Earth. b) The pull of gravity on an airplane flying at an altitude of 8 km above the surface of the Earth. ...
Monday, November 19, 2012 at 4:08pm by Kelvin
Physics
A) Gravity pulls an area of wet soil and rock downward in a landslide B) An ... Many people know that the weight of an object varies on different planets, but did ... If the Earth's gravitational force causes a falling 74 kg student to accelerate .... the acceleration of ...
Sunday, September 23, 2012 at 1:00pm by ray
chemistry
actually, the specific gravity is the ratio of the density of oil to the density of water. Since the density of water is 1g/ml, the density of a substance is numerically the same as the specific gravity. However, specific gravity is a dimensionless number, while density has ...
Tuesday, February 19, 2013 at 2:34pm by Steve
Physics
Force of gravity= gravitational constant x Mass1 x Mass2 /r^2 so if Mass1 increases by 4 and the other by 2 then it would increase by 8. Between 2 objects, Inverse Square Law: Gravity at A = gravity at B × (distance B / distance A)2 It would be (1/4)^2 or 1/16
Sunday, May 4, 2008 at 7:15pm by Doug
science
mass is the amount of material in something,weight is the effect of gravity on it, that is, how much pull gravity exerts on a mass. Forcegravity=mass*Gravity field strength on Earth, at the surface of Earth, the Gravity field strength is 9.8N/kg If you are interested to work ...
Wednesday, December 17, 2008 at 10:42pm by bobpursley
space
Imagine that all gravity in the Universe was magically turned off (except the gravity of the Earth),and everything stopped moving.Earth's gravity will now begin to pull everything in the Universe slowly toward it. True or False?
Monday, December 1, 2008 at 5:33pm by eduy
physics
calculate the period and frequency of a 3.500 m long pendulum at the following locations: a) the north pole, where acceleration due to gravity is 9.832 m/s^2 b) chicago, where acceleration due to gravity is 9.803 m/s^2 c) jakarta, indonesia, where acceleration due to gravity ...
Tuesday, March 15, 2011 at 6:43pm by giselle
Physics
A 4.00kg crate is slowly lifted to a height of 1.50 m.(a)How much work is done by the lifting force? (b)against gravity? (c)by gravity? Force = mass*acceleration Here the acceleration is from gravity. Work=Force*distance.
Saturday, September 9, 2006 at 10:42pm by fluffy
physics
Gravity on the moon is only 1/6 as strong as gravity on earth. What is the weight of a 20 kg object on the moon and on earth? I have to find it in Newtons on earth and on the moon. WeightinNewtons= mass* gravity field on earth, the gravity field is 9.8N/kg, and on the moon, it...
Wednesday, September 20, 2006 at 7:50pm by Jennifer
physics
Fg (the gravity force) and Fr (the raqdial force) are the same thing. You don't add them. Assuming the satellite is in a circular orbit, the gravity force is perpendicular to the direction of motion, which is tangent to the crcular orbit. The radial (gravity) force equals ...
Monday, August 17, 2009 at 8:23pm by drwls
Physics
One does not drift in space, gravity extends forever, and one is always under its influence. There is a certain velocity call escape velocity, which means that one can leave orbit and the force of gravity will not make it return, but the object is not "free" of ...
Tuesday, January 18, 2011 at 9:09pm by bobpursley
phy
Is gravity still pulling it down? Acceleration is due to gravity.
Friday, September 17, 2010 at 8:29pm by bobpursley
physics
226N=13kg(acceleration-gravity) gravity=9.8m/s^2
Thursday, December 16, 2010 at 12:00am by TutorCat
physics
You are totally wrong in postulating the net force=force of gravity. Nuts. Force of gravity applies only to the gravitional field, and for a free falling object, Forcegravity=mass*a But what about other forces? Any unblanced force = mass*acceleartion, whether or not gravity is...
Saturday, September 12, 2009 at 7:22pm by bobpursley
physics
a 600N person picks up a 180 N suitcase positioned so that the suitcase's center of gravity is 20cm lateral to the location of the person's center of gravity before picking up the suitcase. if the person does not lean to compensate for the added load in any way, where ...
Tuesday, April 6, 2010 at 11:26pm by justine
Chemistry
2.70 g/mL is the correct value for density. The specific gravity is NOT 0.135 for two reasons: 1. specific gravity is the same as density if the water had a density of 1.00 g/mL. 2. specific gravity has no units.
Saturday, September 18, 2010 at 8:25pm by DrBob222
Science
Can someone tell me if this is correct: How many forces act on an upwardly tossed coin when it gets to the top of its path? A. one the force due to gravity B. two gravity & the force in the coin itself C. three gravity the coins internal force & a turnaround force D. ...
Friday, September 21, 2012 at 8:20pm by Sue
science
because there is no gravity on the moon. if you jump in space, gravity doesn't pull you down like it does on earth.
Sunday, April 1, 2012 at 2:50pm by i♥zee
physics
I agree with Dr WLS, I ignored gravity, but gravity will force it in a parabolic path downward.
Friday, March 19, 2010 at 11:26am by bobpursley
Physics
Astronauts who spend long periods in outer space could be adversely affected by weightlessness. One way to simulate gravity is to shape the spaceship like a cylindrical shell that rotates, with the astronauts walking on the inside surface. Explain how this simulates gravity. ...
Sunday, November 1, 2009 at 4:38pm by Sasha
physics
The force of gravity is dependent on the masses involved, and the distance between them. See Newtons Law of Gravity.
Tuesday, May 13, 2008 at 9:36am by bobpursley
physics
In the "mks" or SI system, the units of speed are meters per second. The units of the ACCELERATION of gravity (g) are meters per second-squared. I think that is what you meant by "gravity" The universal constant of gravity (G) has units of Newtons/(m^2*kg^2)
Monday, December 13, 2010 at 11:20pm by drwls
Physics
The object is not moved against gravity, so zero work was done on gravity. Work= force*distance*cosAngle where Angle is the angle between force and distance. In this case, the force of gravity and displacement is at 90 degrees. The cosine90 =0
Monday, January 16, 2012 at 10:11am by bobpursley
physic
Gravity affects the period of a pendulum, but few practical clocks use pendulums anymore. Clocks than depend upon a spring-and-mass system, or electrical oscillations in a crystal (like many wristwatches today) will not be affected by gravity. There IS a general-theory-of-...
Friday, November 20, 2009 at 4:20am by drwls
math
A perfectly cylindrical container standing upright with a top and bottom (an oil drum or coke can for example) has an empty mass of M and a height of H. It is filled with a liquid of uniform density of variable mass m up to height h. When the container is full the centre of ...
Tuesday, May 17, 2011 at 3:10pm by Karl Haxell
Physics- PLEASE HELP
A 10.0 kg cylinder rolls without slipping on a rough surface. At an instant when its center of gravity has a speed of 16.0 m/s, determine (a) the translational kinetic energy of its center of gravity.(b) the rotational kinetic energy about its center of gravity, and (c) its ...
Tuesday, November 6, 2012 at 3:44pm by Sarah
Physics
The balls initial momentum and gravity determine how long it is in the air. But the force of gravity is proportional to mass...Weight=mg intialmomenum-mg*deltaTime=0 deltatime in the air= initialmomentum/mg = mVi/mg= Vi/g So because the force of gravity is proportional to ...
Sunday, October 14, 2007 at 8:14pm by bobpursley
Engineering Maths
A perfectly cylindrical container standing upright with a top and bottom (an oil drum or coke can for example) has an empty mass of M and a height of H. It is filled with a liquid of uniform density of variable mass m up to height h. When the container is full the centre of ...
Tuesday, May 17, 2011 at 7:16am by Karl Haxell
astronomy/physics
Use Newtons Law of Gravity to calculate the force of gravity between a 39 kg person and Earth.
Thursday, December 1, 2011 at 4:59pm by silvia
physics
The force moving it down is gravity. So at constant speed, fricion must equal gravity. Forcegravity=mg*SinTheta
Wednesday, October 13, 2010 at 9:57am by bobpursley
Physics
a) Yes, mass is constant regardless of location. b) Weight = Mass * Gravity Weight = 2.1kg * 9.8 m/s^2 Weight = 20.58N There are three, so 61.74 N is the answer. c) Gravity on the moon is about 1/6 that of the earth. It is 1.6 m/s^2. Weight = Mass * Gravity Weight = 2.1kg * 1....
Monday, November 12, 2007 at 6:52pm by Michael
physics
A 4.36 × 10−5 kg raindrop falls vertically at constant speed under the influence of gravity and air resistance. After the drop has fallen 88.1 m, what is the work done by gravity? The acceleration of gravity is 9.8 m/s2 . Answer in units of J What is the work ...
Wednesday, October 26, 2011 at 5:48pm by lynn
physics
7)In calculating the force of gravity between two objects, if the mass of one object increased by 4 and the other by 2, how many times would the force of gravity increase? I don't really understand but I got 6 times 8)In calculating the force of gravity between two objects...
Tuesday, April 1, 2008 at 9:59pm by Jon
phyics-universal gravity
A hypothetical planet has a radius 3.3 times that of Earth, but has the same mass. What is the acceleration due to gravity near its surface? (downward)
Tuesday, November 3, 2009 at 9:10pm by Anonymous
physics (geometry bit)
Thanks for the help guys!!! I really appreciate it!!! ok I drew the thing as caerfully as I good h t t p : / / i m g 3 7 . i m a g e s h a c k . u s / i m g 3 7 / 7 8 0 7 / f i r s t d w s . j p g ok I redrew it chekc it Ok I followed the directions and made a line through the...
Tuesday, August 11, 2009 at 9:52am by physics (geometry bit)
physics (geography bit)
Thanks for the help guys!!! I really appreciate it!!! ok I drew the thing as caerfully as I good h t t p : / / i m g 3 7 . i m a g e s h a c k . u s / i m g 3 7 / 7 8 0 7 / f i r s t d w s . j p g ok I redrew it chekc it Ok I followed the directions and made a line through the...
Monday, August 10, 2009 at 10:35pm by physics (geography bit)
physics
Assume your mass is 80 kg. The acceleration due to gravity is 9.8 m/s 2 . How much work against gravity do you do when you climb a flight of stairs 2.3 m high?
Friday, January 20, 2012 at 5:15pm by Anonymous
shiloh
Its mass will be the same everywhere. Weight, however, is dependent on the force of gravity. On the moon, gravity is about 1/6 of Earth, so WeightMoon=.250kg*9.8Newton/kg * 1/6
Saturday, September 18, 2010 at 10:16am by bobpursley
chemistry
the force of gravity does not change in water, it is equal to mass*g. What changes in water is the upward bouyancy force, which against the force of gravity. But the force of gravity is still pulling it downward. If it is floating, the NET force is zero. If it sinks, the net ...
Saturday, August 13, 2011 at 11:44am by bobpursley
Physics
This statement is not correct: "initially went up when I hit it and continued going up until gravity acted upon it and brought it back to the ground. " The error is in saying "until gravity acted upon it". Gravity is always acting on the ball, at a constant...
Sunday, November 11, 2007 at 9:49am by drwls
science
Ever heard of an inverse squarelaw? Gravity is one of them, For the weight (and the acceleration of gravity) to fall to 1/4 of the value at the surface, the distance from the center of the Earth must double.
Tuesday, January 25, 2011 at 8:09pm by drwls
Physics
To create artificial gravity, the space station shown in the drawing is rotating at a rate of 0.600 rpm. The radii of the cylindrically shaped chambers have the ratio rA/rB = 3.00. Each chamber A simulates an acceleration due to gravity of 5.10 m/s2. Find values for (a) rA, (b...
Friday, October 7, 2011 at 9:39pm by Mary
physics
Say it were a conservative force like gravity. As you went down from the top of a hill to the bottom, gravity would push down in your direction and you would get a positive amount of work done by gravity. When you go back up the hill, gravity is pushing down still but you are ...
Sunday, December 9, 2007 at 2:46pm by Damon
science
Distinguish Between terminal velocity and free fall. Be able to describe defective gravity on motion and state acceleration rates of falling objects ( due to gravity)
Tuesday, January 24, 2012 at 11:32am by glenn
physics
min force = mg- mga min force = mass x gravity(1- gravity) min force =4125 x 9.8 (1- 0.04) min force= 388808 I made a mistake for the max for the correction is max force = mass x gravity( 1 + acceleration) Don't forget to write your answers in Newton (N)
Thursday, October 8, 2009 at 8:17pm by babygenise
physics
Earth to Moon? On the Moons surface, the acceleration due to gravity (Earth and Moon) points toward the Moon. Otherwise, things would fall off the moon. Now, if anyone would be so unwise as to travel to Earth at constant velocity, they would use a lot of fuel, first to escape ...
Wednesday, September 17, 2008 at 12:50pm by bobpursley
Physics
Gravity on the moon is only 1/6 as strong as gravity on the Earth. What is the weight of a 55.3 kg dune buggy on the moon?
Thursday, May 3, 2012 at 9:19pm by Anonymous
physics
force = mass x gravity Force = density x volume x gravity = 1000 x 4 x 6 x 0.04 x 9.8 = 9408 N
Friday, October 27, 2006 at 12:18am by Ya3kob
physics
force = mass x gravity Force = density x volume x gravity = 1000 x 4 x 6 x 0.04 x 9.8 = 9408 N
Friday, October 27, 2006 at 12:18am by Anonymous
physics
gravity on the surface of the moon is only 1/6 as strong as the gravity on earth. What is the weight of a 39kg on the earth?
Tuesday, February 19, 2008 at 2:05pm by Ayesha
Physics
You must mean frequency of revolution,m not evolution. I don't know what you man by "dimensional formula". I wull assume you mean just the "dimensions" or "units" that are used to measure each quantity. Each consist of some combination of mass...
Sunday, April 5, 2009 at 9:25am by drwls
Science
How much would 1kg weigh on the Moon if the pull of gravity there is about one-sixth of the pull of gravity on earth?
Monday, October 18, 2010 at 2:29am by Babiibun
chemistry
Weight is the force of gravity on an object. Is the force of gravity greater on the moon than Earth?
Sunday, September 19, 2010 at 12:11pm by bobpursley
physics problem that i neeeed help with!
work done on gravity= mass*g*heightlifted. work done by gravity= -mgh
Thursday, April 15, 2010 at 4:45pm by bobpursley
Physics
To create artificial gravity, the space station shown in the drawing is rotating at a rate of 1.60 rpm. The radii of the cylindrically shaped chambers have the ratio rA/rB = 3.00. Each chamber A simulates an acceleration due to gravity of 9.60 m/s2. Find values for (a) rA, (b...
Saturday, October 6, 2012 at 11:32pm by Redgy22
physics
A string is hanging from the rearview mirror of you car and a ball is at the end of this string. Suppose that your drive around a circular track at fixed speed. Which list below gives all the forces that act on the ball? A) tension and the force of gravity b) tension force of ...
Saturday, November 21, 2009 at 6:26pm by jon
Astronomy
Which of the terrestrial planets has the highest surface gravity? (Hint: if you look at ratios, you need not calculate every surface gravity value explicitly.)
Thursday, February 2, 2012 at 11:47pm by Jobeth
physics
What percentage of a floating icebergs volume is above water? The specific gravity of ice is 0.917 and the specific gravity of the surrounding seawater is 1.025.
Sunday, December 13, 2009 at 12:16am by James
Energy
Without energy we can't do work cuz we can't apply ne force on an object. Gravity, itself a force, when, say, pulls a ball down to the gorund it actually does work. Now for tht force, where does it get the energy from or what type of energy does it have? If u have a ...
Monday, June 20, 2005 at 10:14am by Mike
physics- please help me!
Folks are stuck to the Earth by gravity. Gravity would remain the same, wouldn't it? Tangential speed at any latitude is given by... v=w*radiusearth*CosineLatitude where w is 2PI/24 rad/hr
Tuesday, December 9, 2008 at 5:54pm by bobpursley
Physics
A hydrometer is an instrument for measuring the specific gravity of a liquid. For example, producers of maple syrup use the hydrometer to find how much sugar is in the collected sap. Markings along a stem are calibrated to indicate the specific gravity for the level at which ...
Wednesday, January 26, 2011 at 12:18pm by MJ
Math
The acceleration due to gravity is inversely proportional to the square of the distance from the centre of Earth. The acceleration due to gravity for a satellite orbiting 7000 km above the centre of Earth is 8.2 m/s^2. a) write a formula for this relationship. b) at what ...
Monday, June 1, 2009 at 6:45pm by Halle
Astronomy
Suppose you weigh 105 . How much would you weigh on other planets in our solar system? Assume you can stand either on the surface or in an airplane in the planet's atmosphere. (Hint: Recall from Chapter Light and Matter that weight is mass times the acceleration of gravity...
Friday, March 30, 2012 at 2:37am by Alex-Johnson
physics
7. No work is done by gravity on a bowling ball resting or moving on a bowling alley because the force of gravity on the ball acts perpendicular to the surface. But on an incline, the force of gravity has a vector component parallel to the alley. Discuss the two ways this ...
Tuesday, April 2, 2013 at 8:22pm by Anonymous
phyics-universal gravity
Calculate the force of gravity on a spacecraft 6400 km (1 earth radii) above the Earth's surface if its mass is 1600 kg.
Tuesday, November 3, 2009 at 9:09pm by DJ
Physics
a skydiver is subject to two forces: gravity and air resistance. Falling vertically, she reaches a constant terminal speed at some time after jumping from the plane. Since she is moving at a constant velocity from that time until her chute opens, we conclude from the work ...
Thursday, March 24, 2011 at 6:47pm by Otto
Physics
In mathematical language, Newton's Law of Gravity expresses the force of gravity, F, between two objects in the following way: F= (GMm)/r^2 where M is the mass of one object, m is the mass of the other object, r is the distance between the two objects, and G is the ...
Thursday, September 22, 2011 at 12:01am by Adam
physics 20
acceleration due to gravity must be factored in as the rocket is traveling upwards. since you have chosen up to be positive acceleration down must be negative, making gravity -9.8m/s the equation is still force=mass x acceleration accept the formula used to calculate ...
Tuesday, November 3, 2009 at 10:08pm by Jordan
physics
Assuming that gravity is the main force holding the neutron star together, require that the surface centripetal acceleration, R w^2, be less than the acceleration of gravity, GM/R^2. w is the angular rotation velocity, 2 pi x 0.76 = 4.78 rad/s G is the universal constant of ...
Wednesday, June 17, 2009 at 12:56am by drwls
Physics
WELL IN SIMPLY FORM GRAVITATIONAL PULLS EVERYTHING,THE INVIRONMENT BENEFIT HAPPENS WHEN GRAVITY IS PULLING DOWN THE SUN HEAT FOR THE CROPS,BESIDE THAT GRAVITY IS HELP EVERY OBJECT TO BE BALANCE IN THE EARTH
Monday, November 22, 2010 at 8:11am by DOCTOR MOKWANA
physics
by gravity its going to far at a rate of 9.8 per sec you can drop basicly anything down a building and it will still fall the same speed. well basicly gravity
Thursday, May 3, 2012 at 3:58pm by eric
science
could someone please tellme what the orce of gravity acting upong me by Mars, Jupiter, and the moon are? I've been trying to find their gravity online, but I can't find it anywhere.
Saturday, September 13, 2008 at 10:27pm by Sunny
TO BOBPURSLEY
ok net force = m a only force present force of gravity Fg = mg = r^-2 G m M were m is the mass of the moon and the M is the mass of what ever it's orbiting... correct? Fg = mg = r^-2 G m M divide both sides by the mass of the moon g = r^-2 G M so I guess I just don't ...
Saturday, September 12, 2009 at 5:03pm by QUESTION
physics
A 9.0 kg cylinder rolls without slipping on a rough surface. At an instant when its center of gravity has a speed of 12.0 m/s, determine (a) the translational kinetic energy of its center of gravity.
Sunday, November 11, 2012 at 5:39pm by Anonymous
physical science 2
The question is silly. Free space has gravity. Gravity changes velocity of things. There is no right answer. Mark this one up to bad question making.
Saturday, January 29, 2011 at 9:13pm by bobpursley
physics
It can only go in a stright line if it is thrown straight up or down, or if there is no gravity. You need to know which it is. The kinetic energy tells you the initial speed. If there is no gravity, it will maintain that speed.
Friday, December 11, 2009 at 3:46am by drwls
Physics (please help!!!!)
a skydiver is subject to two forces: gravity and air resistance. Falling vertically, she reaches a constant terminal speed at some time after jumping from the plane. Since she is moving at a constant velocity from that time until her chute opens, we conclude from the work ...
Thursday, March 24, 2011 at 10:17pm by Otto
Physics (please help!!)
A skydiver is subject to two forces: gravity and air resistance. Falling vertically, she reaches a constant terminal speed at some time after jumping from the plane. Since she is moving at a constant velocity from that time until her chute opens, we conclude from the work ...
Thursday, March 24, 2011 at 9:11pm by Otto
Physics
Force=ma= m * 21.5/.55 Newtons Yes, in the horizontal, this is it, gravity is in the vertical. We ignored friction in this, in the real world friction (caused partially by gravity) would have to be added.
Saturday, June 20, 2009 at 8:55pm by bobpursley
Physics
Well, ignoring gravity (gravity makes the ball swing downward, the rope makes an angle, which changes the radius of rotation), then tension= massball*v^2/r=m(2PIr/T)^2 /r do the algebra, and solve for Period T.
Friday, April 4, 2008 at 2:52pm by bobpursley
Astronomy
Compared with the strength of Earth's gravity at its surface, how much weaker is gravity at a distance of 13 Earth radii from Earth's center?
Wednesday, March 31, 2010 at 1:11pm by Anonymous
Physics
a. Since W=mass x acceleration , when accelerating upward the acceleration due to gravity and the acceleration of the elevator add up. So, a=(9.8+1.7)=11.5m/s^2, so weight = 97kg x 11.5 m/s^2. b. at constant speed their is no acceleration except for earths gravity which means ...
Monday, February 18, 2008 at 4:46pm by Spencer
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