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August 20, 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: 48,655

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

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/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

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
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 (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

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

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

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

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
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

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
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
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

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
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 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
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

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

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 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

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
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

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

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

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 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

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 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 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
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

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

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
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
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
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

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
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

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

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

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
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
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/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

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

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

C++
1. while(c <= 5) { product *= c; c++; 2. while ( z > 0 ) sum = sum + z; 3. x = 1; while (x <=10 ); x++; } 4. The following code should print the values 1 to 10 n = 1; while ( n < 10 ) cout < n++ < endl; 5. While (x <=100) total = total + x; x++;
October 20, 2010 by Anonymous

Physics
A high diver of mass 52 kg jumps off a board 11 m above the water. If, 4.7 s after entering the water his downward motion is stopped, what average upward force did the water exert?
December 20, 2010 by Anonymous

Physics
A 2.1 kg block slides with a speed of 1.1 m/s on a frictionless, horizontal surface until it encounters a spring. (a) If the block compresses the spring 5.7 cm before coming to rest, what is the force constant of the spring? (b) What initial speed should the block have to ...
March 29, 2010 by Carden

english
Cn you help me paraphase this? 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 ...
May 6, 2008 by matt

Physics-forces
1. a force of 250N is used to push a heavy box down the street. If the force of friction between the box and the street is 195N and the box has a mass of 60kg, what is the accleration of the box? 2.a force of 40N is applied to a 6kg box of books. If the frictional force acting...
January 5, 2014 by Jessie

PHYSICS
does the sun exert a gravitational force on the earth? if so, why doesn't the earth fall into the sun?
December 22, 2010 by Katie

Physics
A basketball of mass 0.70 kg is dropped from rest from a height of 1.22 m. It rebounds to a height of 0.64 m. How much mechanical energy was lost during the collision with the floor? A basketball player dribbles the ball from a height of 1.22 m by exerting a constant downward ...
November 27, 2012 by Physics

Physics
A student uses a spring to launch a marble vertically in the air. The mass of the marble is 0.002 kg and when the spring is stretched 0.05 m it exerts a force of 10 N. What is the maximum height the marble can reach?
February 27, 2011 by Lesley

physics
The force of friction between a crate and the floor it is sliding over depends on? a. the speed the crate is moving over the floor with b. the surface area of the crate in contact with the floor c. how much force you are exerting on the crate parallel to the crate's motion d. ...
November 2, 2012 by ashley

physics
the solid fuel rocket boosters used to launch the space shuttle are able to lift the shuttle 45 kilometers above earths surface. During the 2.00 min that the boosters operate, the shuttle accelerates from rest to a speed of nearly 7.50 x 10^2 m/s. What is the magnitude of the ...
September 15, 2009 by NoNo100

Physics -energy
A 80 kg diver steps off a 10 m tower and drops from rest straight down into the water. If he comes to rest 5.0 m beneath the surface, determine the average resistance force exerted on him by the water.
February 18, 2010 by Nate

Physics 111
A 66 kg diver steps off a 13 m tower and drops from rest straight down into the water. If he comes to rest 5.0 m beneath the surface, determine the average resistance force exerted on him by the water.
October 14, 2010 by christoph

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? Is the answer 705.6 newtons?
February 4, 2009 by Harold

Physics
You are holding onto a 100 kg basket of fish hanging over the side of a boat. What is the minimum force in Newtons you need to exert to keep the basket from falling back down into the ocean?
March 12, 2013 by John

Physics
In Denver, children bring their old jack-o-lanterns to the top of a tower and compete for accuracy in hitting a target on the ground. Suppose that the tower height is h = 9.80 m, and that the bulls-eye is a horizontal distance of d = 3.2 m from the launch point. If the pumpkin...
October 24, 2011 by Dylan

PHYSICS
a child sitting 1.10 m from the center of a merry go round moves with a speed of 1.25 m/s. calculate the centripetal acceleration of the child and the net horizontal force exerted on the child (mass = 25 kg).
November 3, 2009 by Sasha

AP Physics
Would it be correct to say that inertia is the reason a moving object continues in motion when no force exists? I think that is correct. Inertia is the property that allows an object to continue moving in the same direction and at the same velocity unless acted upon by a force...
August 19, 2007 by Julie

physics
A cat is stuck in a tree. You are designated with the job to get it out, yet you do not want to climb the tree, because you may get stuck as well. Instead you set up a pulley system. A rope (consider it massless) runs from the seat you sit on over an ideal pulley and then to ...
March 18, 2013 by Nathalia

physics-forces
1. a fully loaded rocket has a mass of 2.92x10^6kg. It's engines has a thrust of 3.34x10^7N a)what is the downward force of gravity of the rocket at blast off? b)what is the unbalanced force on the rocket at blast off? c)what is the accleration of the rocket as it leaves the ...
January 6, 2014 by Jessie

Physics
A 10kg box is initially at rest 10m above the ground level on top of a hill. The box starts to slide down the hill and when it reaches ground level it has speed 10m/s. Was there a friction force between the box and the ground? If so how much work did the force of friction do ...
May 9, 2014 by Mason

physics
You exert a force of 455N in pulling 15.0m of rope using a pulley system to lift a 935N object 5.0m. What is the efficiency of the pulley system? Please help, I appreciate it a lot.
June 13, 2009 by Cynthia

Physics
A 14,245N auto with a velocity of 6.0m/s crashes into a brick wall. If the car moves 64.0 cm before coming to a stop, what average force does the car exert on the wall?
January 13, 2011 by Dani

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