Friday

September 19, 2014

September 19, 2014

Number of results: 9,763

**geometry**

your neighbor is standing at the top of a 14 foot ladder. the base of the ladder is 4 feet from the house. how far off the ground is the neighbor
*February 18, 2013 by ashley*

**trig**

A 15 ft. ladder makes a 35o angle with the side of a house. To the nearest tenth of a foot how high up on the house does the ladder come?
*May 27, 2014 by danielle*

**trig**

A 15 FOOT LADDER MAKES 52 DEGREES ANGLE WITH THE GROUND.HOW FAR WILL THE TOP OF THE LADDER BE ABOVE THE GROUND?
*October 19, 2012 by GLAIZY JEAN*

**Physics**

A tennis ball with a velocity of 24.4 m/s is thrown perpendicularly at a wall. After striking the wall, the ball rebounds in the opposite direction with a speed of 16 m/s. If the ball is in contact with the wall for 0.013 s, what is the average acceleration of the ball while ...
*September 27, 2012 by Diego*

**Physics**

A 2.5kg ball strikes a wall with a velocity of 8.5m/s to the left. The ball bounces off the wall with a velocity of 7.5m/s to the right. If the ball is in contact with the wall for .25s, what is the constant force exerted on the ball by the wall?
*May 9, 2012 by Sarah*

**Physics(URGENT!!!!)**

A ruler stands vertically against a wall. It is given a tiny impulse at Î¸=0âˆ˜ such that it starts falling down under the influence of gravity. You can consider that the initial angular velocity is very small so that Ï‰(Î¸=0âˆ˜)=0. The ruler has mass m= 100 g and length l= 35...
*December 9, 2013 by keitanako*

**PHYSICS**

Jason is practicing his tennis stroke by hitting balls against a wall. The ball leaves his racquet at a height of 57 cm above the ground at an angle of 80° with respect to the vertical. (a) The speed of the ball as it leaves the racquet is 17 m/s and it must travel a distance ...
*October 16, 2007 by STEPH*

**Physics**

You throw a ball with a speed of 30 m/s at an angle of 40.0° above the horizontal directly toward a wall. The wall is 22.0 m from the release point of the ball. (a) How long does the ball take to reach the wall? (b) How far above the release point does the ball hit the wall? (...
*October 30, 2011 by Alex*

**math**

Uniform rod AB with end B resting against rough vertical wall. Coefficient of friction between wall and rod is μ. Rod is 2m long and has mass 3kg. Rod is kept in limiting equilibrium by a light inextensible string, one end of which is attached to the end A of the rod and ...
*April 23, 2014 by Michael*

**mechanics**

Consider a jet of water striking a vertical wall horizontally a speed of v. After hitting the wall, the water moves along the wall. If the area of cross-section of the water jet is S, Find the force that it applies on the wall. Take the mass density of water to be p.
*April 12, 2011 by maan*

**mechanics**

Consider a jet of water striking a vertical wall horizontally a speed of v. After hitting the wall, the water moves along the wall. If the area of cross-section of the water jet is S, Find the force that it applies on the wall. Take the mass density of water to be p.
*April 15, 2011 by mittal*

**Physics**

A tennis ball of mass 57. g bounces off a wall. Right before hitting the wall, the ball is moving to the right and up with vx=+40. m/s and vy=+10. m/s. Right after bouncing off the wall, the ball is moving to the left and up with vx=-35. m/s and vy=+10. m/s. If the ball is in ...
*October 25, 2010 by Gharib*

**Physics**

A tennis ball of mass 57. g bounces off a wall. Right before hitting the wall, the ball is moving to the right and up with vx=+40. m/s and vy=+10. m/s. Right after bouncing off the wall, the ball is moving to the left and up with vx=-35. m/s and vy=+10. m/s. If the ball is in ...
*October 14, 2009 by Nala*

**physics**

The Wall of Death in an amusement park is comprised of a vertical cylinder that can spin around the vertical axis. Riders stand against the wall of the spinning cylinder and the floor falls away leaving the riders held up by friction. The radius of the cylinder is 4.2 m and ...
*February 13, 2008 by shelby*

**Science**

A horizontal force 10 N is necessary to just hold a block stationary against a wall . The coefficient of friction between the block and the wall is 0.2 . The weight of the block will be ?
*April 22, 2014 by Lalit*

**Calculus**

A fence 8 ft. tall runs parallel to a tall building at a distance 4 ft. from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building?
*January 3, 2011 by Joe Schmo*

**Math**

A fence 8 ft tall runs parallel to a tall building at a distance of 4 ft from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building?
*November 14, 2011 by Emily*

**Maths**

A fence that is 4 metres tall runs parallel to a tall building at a distance of 1 metre from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building?
*May 13, 2012 by Arjun*

**Dwamena Akenten SHS**

A pole 25m long is placed against a vertical wall such that its lower end is 7m from the foot of the wall on the same horizontal ground. If the upper end of the pole is push down by 2m, calculate correct to 2 significant figure: 1) how much further away from the wall the lower...
*May 3, 2013 by Derrick*

**Physics**

If I take a glob of mud and throw it against a wall with the speed of V and stops in time T and than I take a ball and throw it and it hits the wall with speed V and leaves the wall a time T later at a speed of 0.5V and they both have same value and mass, which one involves a ...
*October 3, 2010 by Allen*

**physics**

A beam of red laser light (λ = 633 nm) hits a black wall and is fully absorbed. If this exerts a total force F = 5.9 nN on the wall, how many photons per second are hitting the wall?
*May 1, 2011 by marlow*

**Physics**

A 275-gram ball bounces off a wall. The ball stays in a horizontal plane throughout the motion. The ball strikes the wall with a speed of 4.50 m/s at an angle of 𝜃 = 35.0o relative to the wall and rebounds with the same speed at the same angle. If the ball is in ...
*May 27, 2014 by Tim*

**Physics**

A box is held against a wall (not resting on the ground). What minimum horizontal force will JUST prevent the 5.0kg box from sliding if the coefficient of friction betweent he wall and the box is 0.65?
*March 10, 2013 by Julia*

**trigonometry, check please**

A 12 ft. ladder makes a 33o angle with the side of a house. To the nearest tenth of a foot how high up on the house does the ladder come? I set it up 12xcos33 giving me 10.0
*June 1, 2014 by Anonymous*

**physics**

A 1 kg steel ball strikes a wall with a speed of 9.99 m/s at an angle of 55.1 ◦ with the normal to the wall. It bounces off with the same speed and angle. If the ball is in contact with the wall for 0.292 s, what is the magnitude of the average force exerted on the ball ...
*October 7, 2008 by Anonymous*

**physics**

A 1 kg steel ball strikes a wall with a speed of 9.99 m/s at an angle of 55.1 ◦ with the normal to the wall. It bounces off with the same speed and angle. If the ball is in contact with the wall for 0.292 s, what is the magnitude of the average force exerted on the ball ...
*October 7, 2008 by Anonymous*

**math**

A 16-ft ladder is placed 4-ft from the base of the building. How high on the building will the ladder reach?
*December 3, 2012 by michael*

**physics**

A particle travels between two parallel vertical walls separated by 11 m. It moves toward the opposing wall at a constant rate of 5.2 m/s. It hits the opposite wall at the same height. The acceleration of gravity is 9.8 m/s2. a) What will be its speed when it hits the opposing...
*September 12, 2012 by Jeff*

**Physics**

A 500N person stands 2.5m from a wall against which a horizontal beam is attached. The beam is 6m long and weighs 200N. A cable is attached to the free end of the beam and makes an angle of 45 to the horizontal and is attached to the wall. 1)Determine the magnitude of the ...
*December 2, 2009 by Sabeeh*

**Physics 121 HW**

A sign has a mass of 1050 kg, a height h = 1 m, and a width W = 4 m. It is held by a light rod of length 5 m that is perpendicular to a rough wall. A guy wire at 23° to the horizontal holds the sign to the wall. Note that the distance from the left edge of the sign to the wall...
*July 14, 2010 by Jay*

**Physics**

A 2 kg steel ball strikes a wall with a speed of 8.15 m/s at an angle of 54.4◦ with the normal to the wall. It bounces off with the same speed and angle, as shown in the figure. If the ball is in contact with the wall for 0.243 s, what is the magnitude of the average ...
*November 2, 2011 by Seth*

**calculus**

an 8ft 2 by 4 is leaning against a 10ft wall. THe lower end of the 2 by 4 is pulled away from the wall at the rate of 1ft/sec. How fast is the top of the 2 by 4 moving toward the ground (a) when it is 5 ft from the ground and (b) when it is 4 ft from the ground?
*October 6, 2010 by Joshie*

**physics**

What is the total force on the bottom of a swimming pool 22.0 m by 8.9 m whose uniform depth is 1.6 m? What is the absolute pressure on the bottom of a swimming pool? What will be the pressure against the side of the pool near the bottom?
*November 16, 2010 by Cory*

**Maths**

if there is a cylindrical ride (radius r) and when it rotates the person feels pinned tot he wall and then the floor drops away. how would i start to find the equation of the angular speed needed to keep the person against the wall????
*October 22, 2011 by Sarah*

**physics**

a snow ball at 0 degrees celsius is thrown against a brick wall. if all the kinetic energy of the snowball turns to heat upon striking the wall, how fast must you throw the snowball to cause it to melt completely?
*April 14, 2012 by Anonymous*

**physics**

A 1290-N uniform beam is attached to a vertical wall at one end and is supported by a cable at the other end. A W = 1920-N crate hangs from the far end of the beam. the angle going from the top of the beam o the brick wall is at 50.0 degrees. the angle from the bottom of the ...
*March 4, 2011 by TaylorBaum*

**physics**

moving car runs into stationary car, (against a wall)car does not move, however, the wall push back cancelling the force. Explain Newton's law that apply. Thanks, George
*December 22, 2012 by george*

**Physics(work and energy)**

A cannon ball is fired so that it hits the wall at the top of a 10m tower.If the energy needed to destroy the wall is 49000 F and the mass of the cannon ball is 10 k, the minimum initial velocity of the cannon ball required to break the tower wall is A 100 m/s b 200 m/s c 300 ...
*May 20, 2012 by TOM*

**Dr. Bob can you look at this**

If I take a glob of mud and throw it against a wall with the speed of V and stops in time T and than I take a ball and throw it and it hits the wall with speed V and leaves the wall a time T later at a speed of 0.5V and they both have same value and mass, which one involves a ...
*October 3, 2010 by Allen*

**physics**

A tennis ball with a velocity of +9.6 m/s to the right is thrown perpendicularly at a wall. After striking the wall, the ball rebounds in the opposite direction with a velocity of -5.8 m/s (to the left). If the ball is in contact with the wall for 0.013 s, what is the average ...
*October 6, 2012 by Mackenzie *

**physics**

a ball of radius 5cm is hung against the wall with an 8cm rope from one side of the ball.it has mass of 60newtons.fined the tension in the rope and the reaction at the wall.
*March 4, 2012 by Anonymous*

**uta**

A tennis ball with a speed of 25.9 m/s is moving perpendicular to a wall. After striking the wall, the ball rebounds in the opposite direction with a speed of 21.3157 m/s. If the ball is in contact with the wall for 0.0133 s, what is the average acceleration of the ball while ...
*September 14, 2011 by suraj suwal*

**physics**

-------------------------------------------------------------------------------- A tennis ball with a speed of 11.4 m/s is thrown perpendicularly at a wall. After striking the wall, the ball rebounds in the opposite direction with a speed of 8.64 m/s. If the ball is in contact...
*September 14, 2013 by elizabeth*

**physics 121 hanging sign**

A sign has a mass of 1050 kg, a height h = 1 m, and a width W = 4 m. It is held by a light rod of length 5 m that is perpendicular to a rough wall. A guy wire at 23° to the horizontal holds the sign to the wall. Note that the distance from the left edge of the sign to the wall...
*July 14, 2010 by Jay*

**Physics**

A tennis ball with a speed of 5.0 m/s is thrown perpendicularly at a wall. After striking the wall, the ball rebounds in the opposite direction with a speed of 3.0 m/s. If the ball is in contact with the wall for 0.013 s, what is the average acceleration of the ball while it ...
*August 29, 2012 by Ashley*

**Physics**

A spherical mooring buoy 36cm in diameter with a mass of 43 kg is fastened to a cleat on the top ofthe sea wall by a 50 cm long line, as shown. The force against the sea wall is a. 73N b.87N c. 104N d.116N e. None of these
*November 18, 2010 by Gerard*

**physics**

If you stand next to a wall on a frictionless skateboard and push the wall with a force of 40N, how hard does the wall push on you ? If your mass is 80kg show that your acceleration is 0.5m/s^2
*March 5, 2012 by kamish*

**math,algebra**

Can someone set this up in equations so i can solve them i would greatly appreciate it. THanks. Problem #3 The base of a ladder is 14 feet away from the wall. The top of the ladder is 17 feet from the floor. Find the length of the ladder to the nearest thousandth. Problem #4 A...
*April 17, 2007 by jasmine20*

**Math**

a diagonal brace is to be placed in the wall of room, the height (y) of the wall is 8 ft and the wall is 16 ft long (x). What is the exact length of the brace?
*August 22, 2013 by Anonymous*

**Math**

a wall in front of a house is shown below if 3/5 of the wall is brick how do you determine the height of the brick portion of the wall
*April 4, 2014 by Anonymous*

**math**

marcus wants to put a 6 1/2 foot bookcase against a 12 1/4 foot wall.if he centers the bookcase, how far will it be from each end of the wall?
*December 10, 2012 by gabby*

**physics **

IP You want to nail a 2.4kg- board onto the wall of a barn. To position the board before nailing, you push it against the wall with a horizontal force to keep it from sliding to the ground What happens to the force of static friction if you push against the wall with a force ...
*November 11, 2010 by mathhelp*

**Physics**

A governor (centrifugal pendulum) consists of two 200–g spheres attached by light, rigid 10.0–cm rods to a vertical rotating axle. The rods are hinged so that the spheres swing out from the axle as they rotate with it. However, when the angle θ is 45.0°, the spheres ...
*February 23, 2014 by Chrxeyshthoufov*

**physics**

A 220-g ball strikes a wall with a speed of 7.0 m/s and rebounds with only 37% of its kinetic energy. What is the speed of the ball immediately after rebounding? What is the magnitude of the impulse of the ball on the wall? If the ball was in contact with the wall for 9.9 ms, ...
*February 27, 2012 by Katie*

**Social Studies**

What role did the Berlin Wall play in the Cold War and what events brought the fall of the Berlin Wall(I know that the wall fell on November 9, 1989)? Im really not sure on this question.
*April 22, 2008 by Emily*

**math**

mera painted equal sections of her bedroom wall to make a pattern. She painted 2/5 of the wall white and 1/2 of the wall lavender. Write an equivalent fraction for each using a common denominator.
*May 7, 2014 by angelina*

**Physics MCQ - Quick check**

A washing machine spin dryer has a period T. In order to triple the centripetal acceleration of the clothes in the dryer the period should be ? 3T A cube of mass 2.0 kg is kept pressed against a vertical wall by applying a horizontal force of 60N. If the coefficient of ...
*April 28, 2014 by James Henry the 3rd*

**physics-acoustics**

1.A wall between two rooms is 20 x 9 ft. The wall construction has Transmission Loss 50 dB at 1000 Hz. In the wall is a small window of size 4 x 2 ft. The window has a tested Transmission Loss of 20 dB at the same frequency. The receiving room has 200 ft^2 Sabine absorption. ...
*November 3, 2010 by sandhu*

**physics-acoustics**

1.A wall between two rooms is 20 x 9 ft. The wall construction has Transmission Loss 50 dB at 1000 Hz. In the wall is a small window of size 4 x 2 ft. The window has a tested Transmission Loss of 20 dB at the same frequency. The receiving room has 200 ft^2 Sabine absorption. ...
*November 4, 2010 by sandhu*

**college physics**

A board of mass m and length L is leaning against a wall. The wall is frictionless, and the coefficient of static friction between the board and the floor is µ. Find an expression for the minimum angle β at which the board can be leaned without slipping.
*May 14, 2010 by Adam*

**physics**

I have been stuck on this for a while now and cant figure out what it is i am doing wrong HELP!!! A tennis ball with a velocity of 15.5 m/s is thrown perpendicularly at a wall. After strik- ing the wall, the ball rebounds in the opposite direction with a speed of 9.3 m/s. If ...
*August 20, 2012 by Alex*

**physics**

A ruler stands vertically against a wall. It is given a tiny impulse at such that it starts falling down under the influence of gravity. You can consider that the initial angular velocity is very small so that . The ruler has mass 250 g and length 30 cm. Use m/s for the ...
*December 6, 2013 by juanpro*

**physics**

Although these quantities vary from one type of cell to another, a cell can be 2.10 ìm in diameter with a cell wall 50.3nm thick. If the density (mass divided by volume) of the wall material is the same as that of pure water, what is the mass (in mg) of the cell wall, assuming...
*January 13, 2010 by Toks*

**Mechanics of Materials**

the propane gas tank has an inner diameter of 1500mm and wall thickness of 15mm. If the wall is pressurized to 2MPa, determine the absolute maximum shear stress in the wall of tank.
*December 11, 2012 by andy*

**civil engineering**

the propane gas tank has an inner diameter of 1500mm and wall thickness of 15mm. If the wall is pressurized to 2MPa, determine the absolute maximum shear stress in the wall of tank.
*December 11, 2012 by andyy*

**MATH!!!PLEASE HELP!!**

A wall is supported by a brace 10 feet long. If one end of the brace is placed 6 feet from the base of the wall, how many feet up the wall does the brace reach? Think of the right triangle frmed by the wall, the floor and the brace, and use the Pythagorean theorem. The brace ...
*February 27, 2007 by megan*

**Math: Calculus**

A fence 6 feet tall runs parallel to a tall building at a distance of 2 feet from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building?
*October 29, 2010 by REALLY NEED HELP!!!!*

**Calc Help Please **

A fence 2 feet tall runs parallel to a tall building at a distance of 3 feet from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building? Help!
*August 8, 2013 by Anonymous*

**Calc**

A fence 5 feet tall runs parallel to a tall building at a distance of 5 feet from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building?
*April 5, 2009 by Manny*

**Math**

A fence 4 feet tall runs parallel to a tall building at a distance of 2 feet from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building?
*November 7, 2009 by Salman*

**calculus**

A fence 4 feet tall runs parallel to a tall building at a distance of 5 feet from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building?
*November 8, 2009 by zama*

**Calculus**

A fence 6 feet tall runs parallel to a tall building at a distance of 7 feet from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building?
*July 13, 2010 by Pete*

**Calculus**

A fence 2 feet tall runs parallel to a tall building at a distance of 6 feet from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building?
*October 28, 2011 by Anonymous*

**Calculus**

A fence 4 feet tall runs parallel to a tall building at a distance of 6 feet from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building?
*October 28, 2011 by Anonymous*

**calculus **

A fence 5 feet tall runs parallel to a tall building at a distance of 3 feet from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building?
*November 21, 2012 by sonia*

**calculus **

A fence 5 feet tall runs parallel to a tall building at a distance of 3 feet from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building?
*November 21, 2012 by sonia*

**Calculus**

A fence 8 feet tall runs parallel to a tall building at a distance of 6 feet from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building?
*April 30, 2014 by JAY Z*

**Algebra 2 review**

how many feet from the base of a house must a 39-foot ladder be placed so that the top of the ladder will reach a point on the house 36 feet from the ground
*April 28, 2011 by Anonymous*

**College Algebra**

The base of a 28 foot ladder is placed 12 feet from the house. How far up house does the ladder reach? (The answer to the nearest tenth of a foot
*February 8, 2013 by Anonymous *

**Math**

A 12-foot ladder is set up 5 feet from the base of a building. How far up the building does the ladder reach? Round your answer to the nearest tenth of a foot.
*January 30, 2014 by Serena*

**physics**

A block is pressed against a vertical wall by a force , as the drawing shows. This force can either push the block upward at a constant velocity or allow it to slide downward at a constant velocity. The magnitude of the force is different in the two cases, while the ...
*June 30, 2013 by bill*

**Physics**

A hockey puck is sliding on frictionless ice. It slams against a wall and bounces back toward the player with the same speed that it had before hitting the wall. Does the velocity of the hockey puck change in this process?
*September 15, 2011 by Robin*

**Physics**

A minimum horizontal force of 10 N is needed to keep a 500 g book in place against a wall as shown.What maximum mass of book could be supported by the 10 N force if it were directed upwards at an angle of 60° instead of at right angles to the wall?
*April 2, 2012 by LEBZA*

**math**

A fireman stood in the middle of a step ladder. He climbed down 4 steps and continued his work. He went down 8 more then back up 9 to the top. How many steps were on the ladder?
*February 7, 2011 by Lauren*

**math**

The building is 16 by 12 feet so, to the nearest tenth of a foot what distance (x) fom the building should time place the 16-ft ladder so that the top of the ladder will be 12 feet above the ground?
*February 24, 2012 by Nicole*

**math**

a ladder is 12 feet laid on the side of the barn. its base from the ground of the barn is 3 feet. how tall is the ladder? rounded to the nearest tenths? like 9.2 or 10.8 or 11.4 something of that naturee please?
*August 23, 2011 by leslie*

**physics**

A 4.5 kg can of paint is sitting on top of a 0.8 meter high step ladder. How much work did you do to move the can of paint to the top of the ladder?
*December 15, 2010 by Josue*

**PHYSICS**

A person holds a ladder horizontally at its center. Treating the ladder as a uniform rod of length 2.65 m and mass 6.84 kg, find the torque the person must exert on the ladder to give it an angular acceleration of 0.301 rad/s2 We tried T = mr^2(alpha), but that was wrong. We ...
*June 4, 2007 by MJ*

**geometry**

the height of a wall is 25 feet and an 8 x 20 rectangular door is positioned on the wall such as there is 8 feet of wall remaining on the right side and 4 feet remaining on the left side. Find the area of the wall to be painted. do not paint the door
*May 9, 2012 by Anonymous*

**Physics**

A hockey puck is sliding on frictionless ice. It slams against the wall and bounces back toward the player with the same speed that it had before hitting the wall. Does the velocity of the hockey puck change in this process? Explain.
*April 10, 2013 by Crystal*

**maths**

A wall 24m long, 0.4m thick and 6m high is constructed with the bricks each of dimensions 25cm X 16cm X 10cm. If the mortar occupies 1/10th of the volume of the wall, then find the number of bricks used in constructing the wall.
*December 16, 2012 by dev*

**SOCIAL STUDIES**

4. What did the construction of the Berlin Wall do to the country of Germany? (1 point) The Berlin Wall surrounded the country of Germany and created a unified state. The Berlin Wall divided East and West Germany. The Berlin Wall symbolized national pride in Germany. None of ...
*April 4, 2012 by MIKI*

**Physics**

Sanding block weighs 2.0 N and is pushed with a force of 3.0 N at an angle of 30.0 degrees with respect to the vertical, and angled toward the wall. Moves straight up the wall at a constant speed. What is the coefficient of kinetic friction between the wall and the block?
*September 6, 2010 by Tammy*

**math 2**

mera painted equal sections of her bedroom wall to make a pattern. she painted 2/7 of the wall white and1/2 of the wall lavender.write an.equivalent fraction.for each using a common denominator. please help answer. thx
*January 17, 2013 by stephie 23*

**math 2**

mera painted equal sections of her bedroom wall to make a pattern. she painted 2/7 of the wall white and1/2 of the wall lavender.write an.equivalent fraction.for each using a common denominator. please help answer. thx
*January 17, 2013 by stephie 23*

**Physics/Math**

A 17 N horizontal force F pushes a block weighing 6.0 N against a vertical wall. The coefficient of static friction between the wall and the block is 0.68, and the coefficient of kinetic friction is 0.48. Assume that the block is not moving initially. Will the block move? In ...
*February 10, 2007 by COFFEE*

**math**

wat is the metric ladder? in order greatest to least? I am unfamiliar with the term "metric ladder." However, I suspect it is the list of the prefixes. From kilo hecto deca unit deci centi milli Note that there are a number of prefixes both above and below those listed above. ...
*October 29, 2006 by chemiii*

**Physics**

What is the total force on the bottom of a swimming pool 27.5m by 9.0m whose uniform depth is 1.9m? physics What is the absolute pressure on the bottom of a swimming pool? What will be the pressure against the side of the pool near the bottom?
*November 3, 2012 by Sarah*

**physics**

A 70 kg man holding a 0 . 857 kg ball stands on a frozen pond next to a wall. He throws the ball at the wall with a speed of 11 . 9 m / s (relative to the ground) and then catches the ball after it rebounds from the wall. How fast is he moving after he catches the ball? Ignore...
*May 7, 2014 by nic*

**Physics**

A popular carnival ride consists of a large, round room that rotates fast enough that any person standing against the wall will be stuck there, even as the floor is dropped away from their feet. The coefficient of static friction between the person and the wall is μs , ...
*July 26, 2012 by Zac*

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