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May 30, 2015

Search: An elevator (mass 4125 kg) is to be designed so that the maximum acceleration is 0.0900g. What is the maximum force the motor should exert on the supporting cable?

Number of results: 68,266

physics
The figure below shows an initially stationary block of mass m on a floor. A force of magnitude F = 0.570mg is then applied at upward angle = 22. (a) What is the magnitude of the acceleration of the block across the floor if (a) s = 0.600 and k = 0.500? (b) What is the ...
November 18, 2010 by Will

math
A colony of bacteria is growing in a petri dish which has a maximum capacity of 100mg. The mass of bacteria is increasing at a rate given by the logistic equation. Initially there is 2mg of bacteria and the rate of increase is 1mg per day.
February 21, 2014 by Sam

Physics
Two blocks, (Mass of block 1 = 2.3kg, Mass of block 2 = 1.2kg), are in contact on a frictionless table. If a horizontal force of 3.2N is applied to the larger block, what is the acceleration of the smaller block. Describe all external forces that are acting on the two blocks
November 25, 2012 by Tim

Physics
Two blocks, (Mass of block 1 = 2.3kg, Mass of block 2 = 1.2kg), are in contact on a frictionless table. If a horizontal force of 3.2N is applied to the larger block, what is the acceleration of the smaller block. Describe all external forces that are acting on the two blocks
November 25, 2012 by Tim

physics
A system of pulleys is used to lift an elevator carrying a 3,300 newton load. assuming the pulley system is friction free, approximately how far would 10,000 joules of energy lift the elevator?
February 22, 2011 by tania

AP physics c
A helicopter lifts a 63 kg astronaut 10 m vertically from the ocean by means of a cable. The acceleration of the astronaut is g/10. (a) How much work is done on the astronaut by the force from the helicopter? Incorrect: Your answer is incorrect. J (b) How much work is done on ...
October 10, 2013 by please help

science
Two bricks having a 22N force applied on them and each brick having a friction of 1N ,the first brick with the mass of 2kg and the second one having a mass of 3kg.calculate the acceleration that the first brick expiriences
February 29, 2012 by Bongani

physics
A helium balloon has a mass of 0.022 kg, which includes both the helium and the balloon itself. On this balloon, there is 0.290 N of buoyant force pushing the balloon upward. If I let go of the balloon, find the balloon's acceleration rate in the upward direction. If we ...
May 12, 2013 by Nick

physics
In a rescue, the 64.0 kg police officer is suspended by two cables,the cable on the left made a 35 degree angle, the rope on the right made a 48 degree angle. What is the tension in the left cable? Find the tension in the right cable.
February 27, 2008 by Erin

physics
note ... find acceleration by using distance and time (ignore incline ... just treat it like linear motion of object starting from rest). A 1.8 kg mass starts from rest and slides down an inclined plane 8.810−1 m long in 0.54 s. What net force is acting on the mass ...
November 20, 2014 by Anonymous

Physics
Can someone walk me through how to work this? It's worded weirdly and I'm not sure how to solve it. Mass M1= 2.2 kg lies on a frictionless table, pulled by another mass M2= 4.1 kg under the in of Earth's gravity. a) What is in N the net force acting on the system of both ...
March 3, 2015 by James

geometry
You need to lay communications cable around the perimeter of three offices, each 8' by 10'. How much cable do you need?
July 9, 2012 by Patty S

Math
You need to lay communications cable around the perimeter of three offices, each 8' by 10'. How much cable do you need?
July 10, 2012 by Guy

! P H Y S I C S !
A 5 kg mass is thrown down with a velocity of 10 m/s from a height of 20 m onto an upright spring with a relaxed length of 10 m, and a constant of 50 N/m. What will the maximum compression of the spring be? What will the speed of the object be when the spring is compressed 0.2...
November 2, 2008 by Physics Guy

Earth Science
What is the relative humidity of sample 2: Sample: 2 T(degrees)C: 32(degrees) Mass of Water Vapor: 14 g Mass of Water vapor at Saturation: 34 g please help me...i dont understand how to find this The relative humidity in this case is 14/34 = 41% It is always the ratio of the ...
February 27, 2007 by Nikki-Ole

chemistry
A solution of HClO4 was standardized by dissolving 0.4125 g of primary standard grade HgO ina solution of KBR: HgO (s) + 4Br- + H2O → HgBr4 + 2OH- The liberated OH- consumed 46.51 mL of the acid. calculate the molarity of the HClO4
August 27, 2014 by nthabi

Physics
Roller Coaster Cart Mass = 200kg String Compressed by 5m Initial Velocity 25 m/s PE = 2,500 J KE = 62,500 J Use the law of conservation of mechanical energy to find the maximum radius the loop can have before the cart falls off
October 17, 2012 by Scoop

Biomechanics
Shoulder abduction = 15 Abduction acceleration = 50/rad/s/s Abduction velocity = 20 rad/s Radius of gyration and COM location from joint = 25cm Mass of hand + Arm = 8 kg Force of middle deltoid =400N Middle deltoid only active muscle Force of theraband = 70N Middle deltoid ...
March 29, 2015 by Ming

Physics
The above spring has a spring constant of 29 N/m. The μ between the box and the surface is 0.3. The box has a mass of 1 kg. What is the maximum distance that the spring can be stretched from equilibrium before the box begins to slide back?
February 12, 2014 by Help

physic
Three 30mm diameter cables support the car in a cable elevator. Inside the car is a safety notice. SAFE WORKING LOAD 33 PERSONS 2244 KG The yield stress of the cables is 200MPa. What factor of safety has been applied at the safe working load? Factor of safety=??????????????
April 2, 2013 by alax

Physics
A carefully designed experiment can measure the gravitational force between masses of 6 kg. Given that the density of iron is 7860 kg/m3, what is the gravitational force between two 6.00-kg iron spheres that are touching? The answer is 1.87e-07 N. How do I get this answer?
June 27, 2012 by Amy

Child Psychology
why do fine motor skills develop slower than gross motor skills?
April 6, 2014 by Chanel

Physics
A little red wagon with mass 7.0kg moves in a straight line on a frictionless horizontal surface. It has an initial speed of4.00 m/s and then is pushed 3.0m in the direction of the initial velocity by a force with a magnitude of 10.0 N a.) Use the work-energy theorem to ...
October 15, 2012 by Frankie

Physics
A little red wagon with mass 7.0kg moves in a straight line on a frictionless horizontal surface. It has an initial speed of4.00 m/s and then is pushed 3.0m in the direction of the initial velocity by a force with a magnitude of 10.0 N a.) Use the work-energy theorem to ...
October 15, 2012 by Frankie

Physics
A model rocket launches with an initial velocity of 6 m/s, at an angle of 90 degrees (with respect to the horizon). The rocket's engine provides an acceleration of 2.2 m/s2, acting in the same direction as the initial velocity. After 20 seconds, the rocket engine cuts out. ...
February 15, 2013 by Dee

physics
A mass of 710 kg is located at the origin. A second mass, 44.0 kg, is located at the point (0.216,0.702) m. Find the magnitude of the gravitational force on the 44.0 kg mass due to the 710 kg mass at the origin. I got: 3.8610-6 N Enter the x and y components of the ...
April 28, 2012 by Marc

physics
A .5kg ball on the end of a string is revolving uniformly in ahorizontal circle of radius 1m. The ball makes 2 revolustion in a second. a) determine the linear (tangential) speed of the ball. For this part of the question would I do this: v=d/t =1m/.5s =2m/s b)determine the ...
October 31, 2007 by Tammy

physics
An arrangement of two pulleys, as shown in the figure, is used to lift a 49.6-kg mass a distance of 3.70 m above the starting point. Assume the pulleys and rope are ideal and that all rope sections are essentially vertical. (a) What is the mechanical advantage of this system...
June 11, 2012 by Akbar

Physics
An arrangement of two pulleys, as shown in the figure, is used to lift a 49.6-kg mass a distance of 3.70 m above the starting point. Assume the pulleys and rope are ideal and that all rope sections are essentially vertical. (a) What is the mechanical advantage of this system...
June 11, 2012 by Akbar

physics
An arrangement of two pulleys, as shown in the figure, is used to lift a 49.6-kg mass a distance of 3.70 m above the starting point. Assume the pulleys and rope are ideal and that all rope sections are essentially vertical. (a) What is the mechanical advantage of this system...
June 13, 2012 by Akbar

Physics
Monochromatic x-rays (λ = 0.166 nm) from a nickel target are incident on a potassium chloride (KCl) crystal surface. The spacing between planes of atoms in KCl is 0.314 nm. At what angle (relative to the surface) should the beam be directed for a second-order maximum to ...
March 17, 2013 by Ken

physics
What is the acceleration of two falling sky divers (mass 107.0 kg including parachute) when the upward force of air resistance is equal to one-fourth of their weight?
March 8, 2011 by Anonymous

physics
A resultant force of 25 Newton acts on mass of 0.5 kg standing from rest. find: a) the acceleration in m/s square b) the final velocity after 20 seconds c) the distance moved in meter
March 21, 2011 by chocolate

College Algebra
On a rectangular piece of cardboard with perimeter 11 inches, three parallel and equally spaced creases are made. The cardboard is then folded along the creases to make a rectangular box with open ends. Letting x represent the distance (in inches) between the creases, use a ...
January 21, 2011 by Valerie Pacetti

physics
a 2390 kg car traveling to the west at 22.4 m/s slows down uniformly under a force of 8740 N to the east. (a) How much force would be required to cause the same acceleration on a car of mass 3140 kg? Answer in units N (b) How far would the car move before stopping? Answer in ...
February 9, 2009 by Bob

math
open top rectangular box made from 35 x 35 inch piece of sheet metal by cutting out equal size squares from the corners and folding up the sides. what size squares should be removed to produce box with maximum volume.
October 10, 2011 by Sejul

math
The dance company has a $10 cover charge, an average of 200 people will attend. For each $0.25 increase in admission price, the average number attending decreases by 1. What should the owner charge in order to make the most money? what is the maximum money that can be earned?
November 24, 2012 by Please help me

Science
At the distance of the earth from the sun the pressure exerted by sunlight is avout 10^-5 Pa How much force does this pressure exerted on 10m^2 array of solar cells on a satellite when the array is perpendicular to the direction of the sunlight? If the satellite has a mass of ...
January 2, 2010 by Angel

Physics
At the distance of the earth from the sun the pressure exerted by sunlight is avout 10^-5 Pa How much force does this pressure exerted on 10m^2 array of solar cells on a satellite when the array is perpendicular to the direction of the sunlight? If the satellite has a mass of ...
January 2, 2010 by Angel

Physics
1. The problem statement, all variables and given/known data A student pulls on a box up an incline of 10 degrees. The student pulls with a force of 180 N directed at 30 degrees above the line of the incline. The box has a mass of 28 kg, and the coefficient of friction between...
October 7, 2007 by Tim

Physic
How does doubling the mass of one object and tripling the distance between another object change the gravitational force betweem them? FG = G M1 M2 / r2 a. Force changes by 2/3 b. Force changes by 2/9 c. Force increases by 9 d. Force decreases by 3 e. No change in force
February 2, 2011 by Help

Physics
A model rocket is launched vertically upward from the ground. After 4.3s, its fuel is completely burned. Assume uniform acceleration of 3.0 m/s2 while the fuel is burning. What is the velocity of the rocket at the instant that the fuel is completely burned? What's the rocket's...
January 4, 2012 by Leasha

physics
A cup of coffee is sitting on a table in an airplane that is flying horizontally. The coefficient of static friction between the cup and the table is 0.258. Suddenly, the plane accelerates horizontally. What is the maximum acceleration (in m/s2) that the plane can have without...
December 14, 2014 by Jill

physics
A crane is used to hoist a 500kg crate vertically at a constant velocity of 4 meters per second. Ignore the effects of friction. a) calculate the magnitude of the net force experienced by the crate b) calculate the magnitude of the force applied by the cable on the crate
February 11, 2013 by sam

Physics
As a baseball is being caught, it's speed goes from 30.0m/s to 0m/s in about 0.0050s. The mass of the baseball is 0.145kg A) what is the baseballs acceleration B) what are the magnitude and direction of the force acting on it? C) what is the magnitude and direction of the ...
January 23, 2014 by Sandara

Physics
super mouse steals a large piece of cheese by rolling it across the floor with a force of 5.0 N. If the cheese has a mass of 50 kg with what acceleration does the cheese move? If super mouse's force remains constant, what will be the speed of the rolling cheese
December 5, 2014 by Jennifer

cal
A Norman window has the shape of a rectangle surmounted by a semicircle (see the figure below). If a Norman window is to have a perimeter of 24 ft, what should its dimensions be in order to allow the maximum amount of light through the window? (Round your answers to two ...
May 2, 2011 by Anonymous

Physics
An F-18 with a weight of 22500 lb lands on a carrier with a speed of 120mph. If the run-out of the arresting cable is 160ft, what is the plane's acceleration in feet per second squared?
March 7, 2012 by Jack Binns

physics
Sally applies a total force of 71 N with a rope to drag a wooden crate of mass 100 kg across a floor with a constant acceleration in the x- direction of a = 0.1 m/s2. The rope tied to the crate is pulled at an angle of  = 50  relative to the floor. Calculate the total work ...
October 13, 2012 by Jacob

Science--Physics--check answers
1. A football player pushes a dummy forwards at a constant 0.85m/s for 11m using 7150 J of energy. The dummy has a mass of 120 kg. Find the force the football player exerts, find the frictional force the dummy exerts. - for my answer I got 1176N as the force the football ...
February 3, 2014 by Diane

physics
Which of the following statements is not true about a particle executing Simple Harmonic Motion? Choose one answer. a. Its velocity is maximum at the equilibrium position. b. Its acceleration depends only upon its displacement at that instant. c. Its velocity is zero at the ...
February 26, 2011 by calous --- HELP PLEASEE!!!

physics
Calculate the magnitude of the electrostatic force the two down quarks inside a neutron exert on each other if they are separated by a distance of 0.71 fm.
October 27, 2012 by melike

Physics
A 172 N sign is supported in a motionless position by two ropes that each make an angle of 36 with the horizontal. What force does each rope exert?
February 11, 2014 by Khadij

physics
a car thats 1000 kg is stopped and the brakes exert a force of 3000 N over a distance of 891 meter, how much work is done?
March 12, 2014 by Anonymous

physics
A hypothetical planet has a radius 2.1 times that of Earth, but has the same mass. What is the acceleration due to gravity near its surface? What equation should i use?
December 13, 2010 by Haley

Physics
A 0.40-kg ball, attached to the end of a horizontal cord, is rotated in a circle of radius 1.3 m on a frictionless surface. If the cord will break when the tension in it exceeds 60 N, what is the maximum speed the ball can have? How would your answer be affected if there were ...
December 24, 2010 by Matt

physics
Bob, who has a mass of 75 kg, can throw a 500 g rock with a speed of 30 m/s. The distance through which his hand moves as he accelerates the rock forward from rest until he releases it is 1.0 m. a. What constant force must Bob exert on the rock to throw it with this speed? b. ...
September 29, 2014 by aithusa20

calculus
The radius of a sphere was measured to be cm with a possible error of cm. Use linear approximation to estimate the maximum error in the calculated surface area. Leave your answer in terms of . Use linear approximation to estimate the maximum error in the calculated volume. ...
February 27, 2012 by higuys

Physics
A fire helicopter carries a 555 kg empty water bucket at the end of a cable 20.9 m long. As the aircraft flies back from a fire at a constant speed of 38.4 m/s, the cable makes an angle of 38.3 with respect to the vertical. A) After filling the bucket with sea water, the ...
September 27, 2011 by Bella

Physics
A fire helicopter carries a 555 kg empty water bucket at the end of a cable 20.9 m long. As the aircraft flies back from a fire at a constant speed of 38.4 m/s, the cable makes an angle of 38.3 with respect to the vertical. A) After filling the bucket with sea water, the ...
September 28, 2011 by Bella

Physics
A fire helicopter carries a 555 kg empty water bucket at the end of a cable 20.9 m long. As the aircraft flies back from a fire at a constant speed of 38.4 m/s, the cable makes an angle of 38.3 with respect to the vertical. A) After filling the bucket with sea water, the ...
September 28, 2011 by pete

physics
A mass of 300 g is attached to a string that is 1.21 m in length. The mass is whirled in a horizontal circle on a surface and completes 7.00 rotations in a time of 2.71 s. The force of tension in the string is 92.7 N. Determine the force of friction between the mass and the ...
April 25, 2012 by myra

Physics
A trapeze artist swings in simple harmonic motion with a period of 3.2 s. The acceleration of gravity is 9.81 m/s2 . Calculate the length of the cables supporting the trapeze. Answer in units of m.
March 4, 2011 by Ellen

physics
boy pulls a toy cart of mass 2 kg with a force of 3 N at an angle of 60 with respect to the horizontal road. What is the acceleration produced by the cart?
October 15, 2010 by kimberly

Physics
suppose that the net external force exerted on the car is 350 N parallel to the ground, and the mass of the car is 1800 kg. What is its acceleration?
October 24, 2010 by Lisa

Physics
suppose that the net external force exerted on the car is 350 N parallel to the ground, and the mass of the car is 1800 kg. What is its acceleration?
October 24, 2010 by Lisa

Integrated Science
What is the acceleration of a car when the engine exerts 20000 N of force, road friction is 10000 N and the mass of the car is 2000 kg?
March 6, 2013 by Tonya Jones

Physics
You are an artillery offcer attached to Gaius Julius Caesar's Xth Legion in the Gallic War (1st C. BCE). You are responsible for a catapult, a device with a long spoonlike arm used to lob stones or pumpkins over the walls of Gallic oppida. These fortresses are protected by ...
February 10, 2011 by Roberto

Physics
You are an artillery offcer attached to Gaius Julius Caesar's Xth Legion in the Gallic War (1st C. BCE). You are responsible for a catapult, a device with a long spoonlike arm used to lob stones or pumpkins over the walls of Gallic oppida. These fortresses are protected by ...
February 11, 2011 by Roberto

Physics
You are an artillery offcer attached to Gaius Julius Caesar's Xth Legion in the Gallic War (1st C. BCE). You are responsible for a catapult, a device with a long spoonlike arm used to lob stones or pumpkins over the walls of Gallic oppida. These fortresses are protected by ...
February 11, 2011 by Roberto

Physics
You are an artillery offcer attached to Gaius Julius Caesar's Xth Legion in the Gallic War (1st C. BCE). You are responsible for a catapult, a device with a long spoonlike arm used to lob stones or pumpkins over the walls of Gallic oppida. These fortresses are protected by ...
February 12, 2011 by Roberto

physics
A glass cleaner of mass 95 kg places a 22 kg ladder against the wall.The ladder is 10 m long and rests on a wet floor with a coefficient of static friction equal to 0.40. What is the maximum length that the window cleaner can climb before the ladder slips?
February 28, 2010 by Anonymous

physics
A glass cleaner of mass 95 kg places a 22 kg ladder against the wall.The ladder is 10 m long and rests on a wet floor with a coefficient of static friction equal to 0.40. What is the maximum length that the window cleaner can climb before the ladder slips?
February 28, 2010 by Jatinder

Chemistry
At 11.0 C (a common temperature for household freezers), what is the maximum mass of aspartame (C14H18N2O5) you can add to 1.50 kg of pure water and still have the solution freeze? Assume that aspartame is a molecular solid and does not ionize when it dissolves in water. Kf ...
January 29, 2013 by Anon

physics
Find the resultant force of a 32-N force pulling horizontally on a wooden crate and a 20-N force pulling at an angle of 49 degrees upward of horizontal. (Your answer should include magnitude and direction of the force)
December 4, 2009 by Jade

psy230
A business researcher has to decide which of three employees should be placed in a particular job that requires a high level of perceptual-motor coordination. All three employees have taken tests of perceptual-motor coordination, but each took a different test. Employee A ...
August 15, 2011 by Asia

physics
A L=3 mile long conducting cable tethers a satellite to the International Space Station. The Cable moves through the Earth' magnetic field of about B=0.02 Gauss at a speed of v=8 km/sec. The cable points radially from the Space Station to the satellite. The ISS moves Eastwards...
April 7, 2013 by abdul rahman

Physics
This question has me very lost. Two loudspeakers emit sound waves along the x-axis. The sound has maximum intensity when the speakers are 11 cm apart. The sound intensity decreases as the distance between the speakers is increased, reaching zero at a separation of 50 cm. What ...
November 29, 2008 by Phil

physics
Figure 5-53 shows a man sitting in a bosun's chair that dangles from a massless rope, which runs over a massless, frictionless pulley and back down to the man's hand. The combined mass of man and chair is 95.4 kg. With what force magnitude must the man pull on the rope if he ...
June 4, 2011 by Ajay

economics
Suppose you were offered $2,000 to be delivered in 1 year. Further suppose you had the alternative of putting money into a safe certificate of deposit paying annual interest at 10 percent. Would you pay $1,900 in exchange for $2,000 after 1 year? What is the maximum amount you...
April 26, 2010 by Kysha

Java Programming
How to create a two dimensional arrays that stored the score of 3 subjects of 2 semesters, and score will added by users and program should do - Calculate the average scores of each semester - The maximum score of each semester - The mininum score of each semester
May 12, 2014 by Fed

physics
A man is sitting in a bosun's chair that dangles from a massless, frictionless pulley and back down to the mans's hand. The combined mass of man and chair is 100 kg. With what force magnitude (N) must the man pull on the rope if he is to rise with a constant velocity? ..with ...
February 8, 2007 by **chocolatekisses

Stats
3. Suppose you work for the Ford Motor Company and must establish regulations concerning the maximum number of people who can ride in a minivan. Ford tells you that the total number of people in a minivan follows a normal distribution with a mean of 6 and a standard deviation ...
August 4, 2012 by AMbe

Physics
1. A 3 kg block collides with a massless spring of spring constant 90 N/m attached to a wall. The speed of the block was observed to be 1.5 m/s at the moment of collision. The acceleration of gravity is 9.8 m/s^2. How far does the spring compress if the surface on which the ...
March 15, 2014 by mallak

tv cable
Hi, Is it possible for me to buy a tv cable wire separately and use it for the tv I currently have? I just moved from a different house and i can't find where i put the wire.
June 22, 2008 by jen

college physics
A 1500 wrecking ball hangs from a 16 -long cable. The ball is pulled back until the cable makes an angle of 23.0 with the vertical.
February 16, 2012 by stew

Math
A normal cake is divided into the maximum number of pieces, p, by c slices. When c = 1, 2, 3, 4, 5, and 6, the cake is divided into 2, 4, 8, 15, 26, and 42 slices respectively. What is the maximum number of pieces into which the cake can be divided when it is cut by 8 slices? ...
March 27, 2011 by Hermione

Calculus
The function f(x)=-2x^3+30x^2-96x+8 has one local minimum & one local maximum. This function has a local minimum at x equals ______ with value __________ and a local maximum at x equals _______ with value __________ .
October 29, 2013 by Skirby

Physics
A 2340 kg car traveling to the west at 20.7 m/s slows down uniformly under a force of 8340 N to the east. a) How much force would be required to cause the same acceleration on a car of mass 3180 kg? Answer in units of N. b) How far would the car move before stop- ping? Answer ...
April 18, 2011 by Anonymous

physics
A fighter pilot is exposed to an acceleration of 3g in the horizontal direction during takeoff. Knowing that 1g=9.8 m/s2 and that the mass of the fighter pilot is 63.6 kg, what force (in Newtons) does the fighter pilot experience in the horizontal direction? This is the force ...
February 25, 2015 by Morgan

Physics
When a parachute opens, the air exerts a large drag force on it. This upward force is initially greater than the weight of the sky diver and, thus, slows him down. Suppose the weight of the sky diver is 914 N and the drag force has a magnitude of 1120 N. The mass of the sky ...
October 9, 2012 by Anonymous

physics
The cart of mass 10 kg shown above moves without frictional loss on a level table. A 30 N force pulls on the cart horizontally to the right. At the same time, a 10 N force at an angle of 60 above the horizontal pulls on the cart to the left. What is the magnitude of the ...
February 4, 2014 by ashley

Physics
A small mass slides without friction across a plane an (x,y) coordinate system directly from the origin to a point with (x,y) coordinates (1.3 m, 9.6 m); a constant force acts on it. The force has magnitude 2.1 N and its direction is at a counterclockwise angle of 128o from ...
April 24, 2015 by Wack

Chemistry
AgNO3 solutions are often used to plate silver onto other metals. What is the maximum amount of silver in grams that can be plated out of 3.8 L of an AgNO3 solution containing 3.2% Ag by mass? (Assume that the density of the solution is 1.02 g/mL.)
November 30, 2010 by Kelsey G

Physics
A 34-g bullet traveling at 120m/s embeds itself in a wooden block on a smooth surface. The block then slides toward a spring and collides with it. The block compresses the spring (k=100 N/m) a maximum of 1.25 cm. Calculate the mass of the block of wood.
January 5, 2012 by Zach

Physics
A 34-g bullet traveling at 120m/s embeds itself in a wooden block on a smooth surface. The block then slides toward a spring and collides with it. The block compresses the spring (k=100 N/m) a maximum of 1.25 cm. Calculate the mass of the block of wood.
January 5, 2012 by Brian

PHYSICS HELP
A couple of astronauts agree to rendezvous in space after hours. Their plan is to let gravity bring them together. She has a mass of 66.0 kg and he a mass of 72.0 kg, and they start from rest 25.0 m apart. A)Find his initial acceleration. i put 7.68* 10^-12 m/s^2 B)Find her ...
February 16, 2012 by Gina

maths
a square piece of tin 31cm and20cm is to be made into a box without top,by cutting a square from each corner and folding up the flaps to form the box.what should be the side of the square to be cut off so that the volume of the box is the maximum possible?
October 16, 2013 by haritha

Check Answers (Math)
1. Which binomial is a factor of x^3-3x^2-28x? A. x-4 B.x^2-4 C.x-7*** x^2-7 2. A company's profit is described by the equation. P(x)=-5^2+300x+15,000. Where x is the price in dollars that the company charges for its product. What should the company charge for the product to ...
February 3, 2015 by Tia

Physics help please
An oscillator with a mass of 281 g has a speed of 119.1 cm/s when its displacement is 2.80 cm and 34.2 cm/s when its displacement is 7.80 cm. What is the oscillator's maximum speed (in m/s)?
December 7, 2011 by Me

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