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September 30, 2014

Search: How much force does an 82.0 kg astronaut exert on his chair while sitting at rest on the launch pad

Number of results: 49,489

Physics
At time t = 0, a projectile is launched from ground level. At t = 2.00 s, it is displaced d = 57 m horizontally and h = 73 m vertically above the launch point. At the instant it reaches its maximum height above ground level, what is its horizontal displacement D from the ...
September 25, 2011 by Sam

physics
A bookshelf is at rest in a room. A force of 35.0 newtons is applied to a bookshelf. If the floor imparts a frictional force of 2.90 newtons, what is the net force acting on the bookshelf?
March 24, 2014 by corey

@damon physics
I was wondering if you can help me with these two questions. Thank you Question # 1 A horse is pulling a heavy cart up a hill. The cart has 400 kg of mass inside it. The horse is pulling the cart with 10 N of force. What is the magnitude of the force on the horse due to the ...
April 22, 2012 by Teal

chemistry
While you are at rest your brain gets 15% by volume of your blood. If your body contains 5.2 L of blood, how many liters of blood are in your brain at rest? and how many quarts?
January 23, 2014 by Anonymous

Physics
The average energy flux in the sunlight on the Earth is ⟨S⟩=1.4103 W/m2. You might need to use some of the following constants: Distance from earth to the sun=AU=150109m REarth=6.4106m RSun=7.0108m G=6.6710−11m3/(kgs2) MEarth=5.972191024kg MSun=1.9891...
May 22, 2013 by Annoyingmous

English
1. While he was based on the sketches, Degas painted in his studio. 2. While he was walking on the street, he met a friend of his. 3. While he was driving, he sometimes smoked. 4. While he was chatting, he drank coffee from time to time. (What about the sentences using 'while...
August 31, 2010 by rfvv

physics
A 56.0 ice skater spins about a vertical axis through her body with her arms horizontally outstretched, making 2.00 turns each second. The distance from one hand to the other is 1.5 . Biometric measurements indicate that each hand typically makes up about 1.25 of body weight. ...
November 8, 2010 by steph

Physics
A piece of wood with mass m = 2.7 kg is held in a vise sandwiched between two wooden jaws as shown in the figure below. A blow from a hammer drives a nail which exerts a force of 460 N on the wood. If the coefficient of static friction between the wood surfaces is 0.61, what ...
October 19, 2012 by Lily

physics
A piece of wood with mass m = 2.8 kg is held in a vise sandwiched between two wooden jaws as shown in the figure below. A blow from a hammer drives a nail which exerts a force of 440 N on the wood. If the coefficient of static friction between the wood surfaces is 0.66, what ...
October 3, 2013 by holly

Physics
7) Find the force of gravity between two 74.0 kg physics students that are sitting 0.85 m apart 7579.24 N 5.057 x 10(-7) N None of these choices are correct 9.8 x 10(-7) N I'm unsure of how to begin.
October 31, 2009 by Anonymous

Physics
How much power does a water pump exert lifting 30 kg of water at a constant velocity 20 m each second
February 19, 2012 by Bret

Physics
A power boat of mass 495 kg is cruising at a constant speed of 8.9 m/s. The propeller provides a drive force of 780 N. The driver of the boat shuts off the engine, and the boat coasts to a halt. Assume-contrary to fact-that the resistive force due to the water is constant, ...
February 25, 2008 by John

Physics
A power boat of mass 460 kg is cruising at a constant speed of 8.9 m/s. The propeller provides a drive force of 765 N. The driver of the boat shuts off the engine, and the boat coasts to a halt. Assume-contrary to fact-that the resistive force due to the water is constant, ...
February 25, 2008 by Peter

physics
A power boat of mass 465 kg is cruising at a constant speed of 8.9 m/s. The propeller provides a drive force of 765 N. The driver of the boat shuts off the engine, and the boat coasts to a halt. Assume-contrary to fact-that the resistive force due to the water is constant, ...
October 23, 2010 by Xavier

science
tThe bob of a pendulum swings through a circular arc of constant radius. At what point of the swing does the cord holding the bob exert the greatest entripetal force on it?
January 9, 2011 by Anonymous

physics
the two upper front teeth of a person exert a total force of 30 N on a piece of steak.IF THE BITING EDGE OF EACH TOOTH MEASures 10mm x 1 mm,find the pressure on the steak
November 1, 2011 by asembi

Physics
A block of mass 21.0kg kg slides down a frictionless surface inclined at 33 ∘ ^\circ.To ensure that the block does not accelerate, what is the magnitude of the smallest force that you must exert on it?
February 19, 2014 by Shannon

physics
a atapult launcher on an aircraft carrier accelerates a jet from rest to 72m/s. The work done catapult during the launch is 7.6 x 10 to the 7th J. a)What is the mass of the jet? b) If the jet is in contact with the catapult for 2s, what is the power output of the catapult?
March 15, 2010 by Clayton

Physics. PLEASE HELP!!
A 1.3 kg steel ball and 8 m cord of negligi-ble mass make up a simple pendulum that can pivot without friction about the point O. This pendulum is released from rest in a horizontal position and when the ball is at its lowest point it strikes a 1.3 kg block sitting at rest on ...
April 7, 2012 by Amber

Physics/Math
At a certain instant, a particle-like object is acted on by a force F = (3.0 N) i - (1.0 N) j + (8.0 N) k while the object's velocity is v = - (2.0 m/s) i + (4.0 m/s) k. What is the instantaneous rate at which the force does work on the object? (b) At some other time, the ...
March 5, 2007 by Technoboi11

Science
Moving at 20 m/s , a remote controlled car of mass 1000kg hits a pile of sand and comes to rest in 10 s. Find the average force that acted to stop the car. The same car now hits a wall and comes to rest in 1s. Find the average force that acted to stop the car. Use knowledge ...
August 22, 2006 by Abby

Physics
A spring oriented vertically is attached to a hard horizontal surface as in the figure below. The spring has a force constant of 1.64 kN/m. How much is the spring compressed when a object of mass m = 2.35 kg is placed on top of the spring and the system is at rest?
April 26, 2013 by Abdul

physics
An astronaut on a distant planet wants to determine its acceleration due to gravity. The astronaut throws a rock straight up with a velocity of +13 m/s and measures a time of 20.5 s before the rock returns to his hand. What is the acceleration (magnitude and direction) due to ...
July 4, 2010 by Dave

Physics (please help!!!!)
A box with a volume V = 0.04 m3 lies at the bottom of a lake whose water has a density of 103 kg/m3. (a) How much force is required to lift the box, if the mass of the box is 1050 kg? (b) How much force is required to lift the box, if the mass of the box is 100 kg? (c) How ...
April 16, 2011 by Anonymous

physics
A person pushes a 14.5 kg lawnmower at constant speed with a force of 88 N directed along the handle, which is at an angle of 45o to the horizontal. What is the force required to accelerate it from rest to 1.5 m/s in 2.5 seconds?
October 11, 2008 by Steve

Science
you draw a 100kg sack of maize meal across the floor of a warehouse for the distance of 10m. You apply a force of 300N, directed at an angle of 30 degree to the floor. a) If the floor is frictionless, how much work do you do on the bag? b) If the coefficient of friction ...
June 2, 2010 by Akkie

physic
In an accidental explosion, a satellite breaks in half while in circular orbit about Earth. One half is brought momentarily to rest. What is the fate of the half brought to rest? What happens to the other half?
April 21, 2010 by bernice

ITT
In an accidental explosion, a satellite breaks in half while in circular orbit about earth. one half is brought momentarily to rest. what is the fate of the half brought to rest? what happens to the other half?
October 19, 2010 by ed

Physics
In an accidental explosion, a satellite breaks in half while in circular orbit about earth. One half is brought momentarily to rest. What is the fate of the half brought to rest? What happens to the other half?
October 20, 2010 by ed

Maths
Humans breathe about 15 breaths in a minute.The average breath at rest contains 0.76 liter of air.About how many liters of air will you breathe while at rest for 25 minutes? Please,show working.
January 21, 2011 by Anonymous 1

Force if Distance is Doubled (Physics 11th Grade)
Two like-charged balloons, placed at a distance of .5 meters, experience a repulsive force of .32 N. What is the force if the distance between the two balloons is doubled? If you use Coulomb's Law, the equation used to find .32 N was Force = the constant of K multiplied by the...
February 25, 2011 by Angela

physics
The following data concerns a tennis ball at a given instant before it is struck by a tennis racket; horizontal momentum of tennis ball= 2.4Ns kinetic energy of ball= 45J a) why is correct to give the direction of the momentum but not the kinetic energy b) write down in terms ...
October 16, 2006 by Kim

physics
two tractors pull against a 1000 kg log. if the angle of the tractors chains in relation to each other is 18 degrees and each tractor pulls with a force of 800N what forces will they be able to exert
November 8, 2011 by payton

phyics
You are installing a new spark plug in your car, and the manual specifies that it be tightened to a torque that has a magnitude of 65 Nm. Using the data in the figure, determine the magnitude F of the force that you must exert on the wrench.
November 1, 2013 by bobby

Phsics
A crate weighing 600. N is being pulled across the floor. You pull up and to the right on a rope which is attached to the crate. You exert a force of 155 N at an angle θ=29.0 above the horizontal.
September 15, 2014 by Paige

physics
what is the equal and opposite force the force of friction like if a block is at rest on a table static friction is stil exerted by the table onto the block keeping it from moving what is the equal and opposite force of this force?
September 3, 2009 by physics

physics
A horse pulls a cart with a force of 40lb at an angle of 30 degrees above the horizontal and moves along at a speed of 6mi/hr. A) how much work does the force do in 10 min? B) What is the average power (in horsepower) of the force?
July 18, 2010 by James

english
Select the sentence that is punctuated correctly. (Points : 1) Sitting in the medical office waiting room, Veronica smiled nervously at the woman sitting next to her, but then she had to get up suddenly because the receptionist summoned her to the window. Sitting in the ...
October 25, 2013 by anngelique

PHYSICS
Determine the normal force for a laundry basket with a mass of 5.8 kg in each of the following situations (a) at rest on a horizontal surface (b) at rest on a ramp inclined at 12 above the horizontal (c) at rest on a ramp inclined at 25 above the horizontal (d) at rest on a ...
January 12, 2013 by Meg Peterson

Physics
(c) On Earth a fit astronaut without a space suit and life support pack can leap straight up and leave the ground with an initial vertical velocity of about v1y = 2.4 m/s and rise to a height of about h = 0.24 m above the point where he first loses contact with the ground. On ...
September 17, 2014 by Alexandra

Physics
On Earth a fit astronaut without a space suit and life support pack can leap straight up and leave the ground with an initial vertical velocity of about v1y = 2.4 m/s and rise to a height of about h = 0.24 m above the point where he first loses contact with the ground. On the ...
September 17, 2014 by Alexandra

Science Physics
A rubber ball of mass m1= 10kg is moving to the right with speed v1= 10m/s. it collides elastically with another ball of mass m2= 50kg, which is sitting at rest. m2 is larger than m1, what are the speeds of the balls, v1 and v2 after the collision?
February 3, 2011 by Alan

physics
A wheel of mass 0.52kg and radius 46cm is spinning with an angular velocity of 23rad/s. You exert a force F on the wheel, the wheel comes to a stop after 1/4 turn. What is F.
July 22, 2010 by meldoy

physics
Suppose you carry a bag of groceries weighing 127 N from your car to your kitchen, a distance of 48 m, without raising or lowering the bag. (a) What is the work done by the force you exert on the bag?
October 1, 2011 by Kellie

Physics
In a phsics experiment, a 1.3 kg dynamics cart is placed on a ramp inclined at 25 degrees to the horizontal. the cart is initially at rest but is then pulled up the ramp with a force sensor. the force sensor exerts a force on the cart parallel to the ramp. negligible friction ...
October 1, 2013 by Lola

Physics
In a phsics experiment, a 1.3 kg dynamics cart is placed on a ramp inclined at 25 degrees to the horizontal. the cart is initially at rest but is then pulled up the ramp with a force sensor. the force sensor exerts a force on the cart parallel to the ramp. negligible friction ...
October 1, 2013 by Lola

Physics
Tom Brady passes a football at a velocity of 50 ft/s at an angle of 40 degrees to the horizontal toward an intended receiver 30 yd straight downfield. The pass is released 5 ft above the ground. Assume that the receiver is stationary, is isolated and that he can catch the ...
April 25, 2011 by Rob

Physics
A small boy is flipping a piece of cake across the lunch room at school. He uses a fork as a catapult by holding the handle on the table and pressing on the back of it with his thumb. Only part of the energy delivered to the fork goes into the accelerating the cake, however, ...
April 18, 2011 by micky

Science
true or false ___ fluids exert pressure in all directions. ___ the faster fluids move, the more pressure they exert.
April 16, 2011 by Roy S.

algebra
While walking along the beach John gives off 120 kj of heat andn his internal energy decreases by 260 kj. How much work is done while walking?
January 12, 2011 by Veronica

Physics
The shuttle is orbiting the earth at a distance of 500km above the earths surface. Assumingan astronaut has a mass of 72kg, what is the force of gravity upon him or her? You may assume the earth has a mass of 5.98 x 10^24kg and a radius from the center to the surface of 6....
January 19, 2011 by Bianca

Physics
The centers of a 14 kg lead ball and a 120 g lead ball are separated by 9.0cm .What gravitational force does each exert on the other?
March 22, 2010 by Nicole

Physics
A 600-kg geosynchronous satellite has an orbital radious of 6.6 Earth radii. What gravitational force does Earth exert on the satellite?
January 31, 2011 by josh

physics
A 8.010−2 arrow hits the target at 25 and penetrates 3.8 before stopping. What average force did the target exert on the arrow?
September 17, 2011 by Anonymous

physics
A rocket weighs 2.0 X 107 N. Its engines exert a force of 2.5 X 107 N at liftoff. What is the rocket's acceleration when it lifts off?
December 1, 2011 by dw about it

Physics
Two electrostatic point charges of +60.0 uC and +50.c uC exert a repulsive force on each other of 175 N. What is the distance between the two charges?
January 16, 2011 by Pablo

physics
Two electrostatic point charges of +30 C and +25 C exert a repulsive force of 200 N on each other. What is the distance between the two charges?
March 25, 2011 by K

physics
Two electrostatic point charges of 83 C and 50 C exert a repulsive force on each other of 175 N. What is the distance between the two charges?
March 1, 2012 by anne

physics
The centers of a 8 kg lead ball and a 100 g lead ball are separated by 13 cm. What gravitational force does each exert on the other?
February 3, 2010 by margaret

Physics
The centers of a 13 kg lead ball and a 130 g lead ball are separated by 5.0 cm. What gravitational force does each exert on the other?
October 27, 2010 by mike

physics
A force of 100 N is applied tangentially to a disk of radius 10 cm and mass 0.5 kg. the disk is initially at rest. What is the angular acceleration of the disk? How many revolutions does the disk goes through after 10 sec. How much rotational work was done on the disk?
December 4, 2010 by Maa

Fundemental Desktop
when keyboarding, you ______ let your back rest againist the back of the chair Q. should R. Should not S. should sometimes T. NONE OF THE ABOVE I got Q . Mnay windows-based programs provide _______________. such as Ctrl+O to open a file. A. Icons B. Pop-ups C. Shortcuts D. ...
June 6, 2012 by Sarah

Physics
Three people pull simultaneously on a stubborn donkey. Jack pulls eastward with a force of 90.7 N, Jill pulls with 89.1 N in the northeast direction, and Jane pulls to the southeast with 175 N. (Since the donkey is involved with such uncoordinated people, who can blame it for ...
September 15, 2012 by Brianna Mathis

physics
A 20kg block is being pulled by a 150N force,the block is initially at rest,if the coefficient of frictionbetween the block and the surface is 0.3,find (a)the normal force,(b)the friction force acting on the block,(c)find the acceleration of the block
October 28, 2011 by amaka

catering
what is a silence pad?
July 22, 2010 by linda

Physics
A net force of 5.75 * 103 N [180degree ] acts on a mass of 23.0 kg. If, while the force acts, the mass travels through a displacement of 360 m [210 degree ], what work did the net force do on the object? Into what form of energy was this work transferred?
March 8, 2013 by Ravi

physics
A 600-kg geosynchronous satellite has an orbital radius of 6.6 Earth radii. What gravitational force does Earth exert on the satellite? A. 13.8 N B. 90.9 N C. 138 N D. 909 N
March 11, 2014 by anonymous

physics
A grandfather pulls his grandson, whose mass is 20kg and who is sitting on a swing with ropes of length 2.50m, backward and releases him from rest. The speed of the grandson at the bottom of the swinging motion is 3.0 m/s. What is the angle (in degrees measured relative to the...
June 13, 2011 by unknown

physics
1) a loaded cart with a mass of 96 kg sits at reat atop a 40 degree inclined plane that measures 20.5m long. accidentally the cart starts so to roll down the inclined plane with a frictional force of 5550N working against it for the intire 20.5m. deteremine the speed at the ...
February 21, 2011 by shelly

english
So unchanging was the dull old house,the yellow lights in the darkened room the faded spectre in the chair by the dressing table glass, that I felt as if the stopping of the clocks had stopped time in that mysterious place , and while I had everything else outside, it grew ...
May 6, 2008 by marla

Physics
A 72kg cement block rides a crane to reach the upper floor of the building. What force does the bucket of the lift exert on the surgeon when the bucket is moving upward at a steady 2.3 m/s? I don't have an acceleration so what do i do?
February 4, 2009 by Harold

Physics
A 72kg cement block rides a crane to reach the upper floor of the building. What force does the bucket of the lift exert on the surgeon when the bucket is moving upward at a steady 2.3 m/s? I don't have an acceleration so what do i do?
February 4, 2009 by Harold

Physics
A 72kg cement block rides a crane to reach the upper floor of the building. What force does the bucket of the lift exert on the surgeon when the bucket is moving upward at a steady 2.3 m/s? I don't have an acceleration so what do i do?
February 4, 2009 by Harold

Physics
David, who is 65 kg, is driving his car at a speed of 25 m/s. He sees a dog crossing the road and so he steps on the brake to avoid hitting it. His seatbelt brings his body to a stop in 0.4 s. What magnitude of force does the seatbelt exert on him?
August 25, 2014 by Paula

Physics
A 25kg crate is sitting at the bottom of an inclined plane. The inclined plane 12m long meets the horizontal at an angle of 15 degrees and has a coefficient of friction of 0.55. A force is applied to the crate so as to slide the crate up the incline at a constant speed. What ...
February 25, 2012 by Rob

physics
an object is launched horizonally from the top of a lab table that is .90 meters tall. it lands 2.75 meters away. what was the initial horizontal launch speed of the devise? the launcher is now angled 12 degrees below the horizontal. this raises the projectile to a height of ....
September 21, 2010 by payal

physics
an object is launched horizonally from the top of a lab table that is .90 meters tall. it lands 2.75 meters away. what was the initial horizontal launch speed of the devise? the launcher is now angled 12 degrees below the horizontal. this raises the projectile to a height of ....
September 21, 2010 by payal

Physics
A high diver of mass 60.0 kg jumps off a board 10.0 m above the water. If her downward motion is stopped 2.10 s after she enters the water, what average force did the water exert on her?
September 22, 2008 by Jenny

physics
A aeroplane with a mass of 9940 kg completes a vertical loop of radius 155m/s. What normal force does the airplane seat exert on the 92 kg pilot at the top of the loop and at the bottom of the loop?
October 25, 2008 by mike

physics
A high diver of mass 50.0 kg jumps off a board 10.0 m above the water. If her downward motion is stopped 1.80 s after she enters the water, what average force did the water exert on her?
September 21, 2010 by mark

Physics
Read the activity 2-1:Force and Pressure in the lab manual (pages 167-168). As described in the manual, consider a 10 cc syringe is connected to a 50 cc syringe. Information of the syringes are as follows: (mass of 10 cc piston) = 16 g (mass of 50 cc piston) = 60.6 g (diameter...
November 8, 2010 by Anonymous

physics
The centers of a 11 kg lead ball and a 70 g lead ball are separated by 8.0 cm. What gravitational force does each exert on the other?
September 29, 2009 by Allison

physics
A dart gun is fired while being held horizontally at a height of 0.90 m above ground level and while it is at rest relative to the ground. The dart from the gun travels a horizontal distance of 4.00 m. A college student holds the same gun in a horizontal position while sliding...
September 24, 2008 by chad

Physics
A dart gun is fired while being held horizontally at a height of 0.90 m above ground level and while it is at rest relative to the ground. The dart from the gun travels a horizontal distance of 4.00 m. A college student holds the same gun in a horizontal position while sliding...
September 24, 2008 by Chad

physics
A dart gun is fired while being held horizontally at a height of 1.00 m above ground level and while it is at rest relative to the ground. The dart from the gun travels a horizontal distance of 5.00 m. A college student holds the same gun in a horizontal position while sliding...
October 3, 2010 by ben

physics
To tighten a bolt, you push with a force of 72 N at the end of a wrench handle that is 0.26 m from the axis of the bolt.What torque are you exerting? I GOT THIS PART AS 19N *m unsure of the next two: If you move your hand inward to be only 0.10 m from the bolt, find the force ...
March 3, 2012 by Christie

Physics
A cannon fires a shell straight upward; 2.1 s after it is launched, the shell is moving upward with a speed of 20 m/s. Assuming air resistance is negligible, find the speed (magnitude of velocity) of the shell at launch and 4.7 s after the launch.
September 5, 2014 by Mike

Physics
Determine the normal force for a laundry basket with a mass of 4.7 kg in each of the following situations (a) at rest on a horizontal surface _________ N (b) at rest on a ramp inclined at 12 above the horizontal _______ N (c) at rest on a ramp inclined at 25 above the ...
October 23, 2012 by Dakota

Ap Physics
Read the activity 2-1:Force and Pressure in the lab manual (pages 167-168). As described in the manual, consider a 10 cc syringe is connected to a 50 cc syringe. Information of the syringes are as follows: (mass of 10 cc piston) = 16 g (mass of 50 cc piston) = 60.6 g (diameter...
November 12, 2009 by Ellie

physcis
a flight attendant pulls her 70 kg flight bag in an airport terminal holding the handle 50 degrees above the horizontal. she pulls the bag a distance of 200 m while exerting a 40 n force acting along the handle with a constant speed how much work does the flight attendant ...
October 20, 2012 by chad

physics
1) a force of 10 N acts on a 5.0 kg object, initially at rest, for 2.5 s. What is the final speed of the object? 2) a 1500 kh car, is allowed to coast along a level track at a speed of 8.0 m/s. It collides and couples with a 2000-kg truck , initially at rest with brakes ...
November 29, 2010 by Joceylin

AP physics
A 66 kg diver steps off a 13 m tower and drops, from rest, straight down into the water. If he comes to rest 4.4 m beneath the surface, determine the average resistance force exerted on him by the water.
November 10, 2010 by kaitlyn

physics
A 84 kg diver steps off a 10 m tower and drops from rest straight down into the water. If he comes to rest 4.7 m beneath the surface, determine the average resistance force exerted on him by the water.
February 26, 2011 by floyd

US history multiple choice
1. The staff of President Nixon: A. demonstrated how much the government had grown in the previous fifty years. B. was not as large as it should have been, but it allowed Nixon to exert as much control over each person as possible. C. was generally a group who were not ...
November 20, 2010 by anthony

Physics
A farm tractor tows a 3800-kg trailer up a 19 degrees incline with a steady speed of 3.0 m/s. What force does the tractor exert on the trailer? (Ignore friction.)
February 22, 2010 by Abby

Physics
Two metal spheres, each weighing 24.0 kg are placed 0.0500 m apart. Calculate the magnitude of the gravitational force the two spheres exert on each other.
November 3, 2010 by Andrea

physics
If you have a 3 inch by 3 inch card sitting perpendicular on a table how much air does it push when it falls?
May 24, 2011 by michael

Physics/Force
building a device to shoote a plastic hockey puck with a lever (think pinball) attached to a bungie cord. How much force is needed to propel a plasic hockey puck 30 feet or 40 feet or 50 feet - what formula should I use? Can I calculate the force by how much the bungie cord ...
October 28, 2010 by Eileen

physics
The wind exerts a force of 280 N North on a sailboat, while the water exerts a force of 131 N West on the sailboat. How many degrees west of north is this net external force directed?
November 16, 2011 by Anonymous

Science
If it takes 35s for the tughboat to increse its speed uniformly to 25 km/h, starting from rest. The barge has a mass of 75Mg. The propeller provides the propulsion force F which gives the tughboat foward motion, where as the barge moves freely. Determine the force of the rope ...
August 1, 2011 by Andrew

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