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July 23, 2014

Search: a marksman at rest fires a 4.0 kg gun that expels a bullet of mass .0140 kg with a velocity of 181 m/s the marksman

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physics repost
A marksman at rest fires a 4.00-kg gun that expels a bullet of mass 0.0140 kg with a velocity of 181 m/s. The marksman's mass is 81.0 kg. What is the marksman's velocity after firing the gun? mc = 85kg md = 0.0140 -(0.0140)(-181)/85 = .0298 m/s
April 3, 2008 by Jon

physics
A marksman at rest fires a 4.00-kg gun that expels a bullet of mass 0.0140 kg with a velocity of 181 m/s. The marksman's mass is 81.0 kg. What is the marksman's velocity after firing the gun? mc = 85kg md = 0.0140 -(0.0140)(-181)/85 = .0298 m/s
April 2, 2008 by Jon

physics
A 2500kg gun fires a 10.0kg projectile with a muzzle speed of 550m/s. A) determine the initial recoil speed of the gun B) If the recoil is against a constant resisting force of 4200N, find the time taken to bring the gun to rest.
November 10, 2011 by b

physics
Hayes fires a projectile from his air gun. The gun provides a constant 300 N of force on a 0.1 kg projectile as it travels through the 0.3 meter barrel. How fast is it going when it leaves? It starts from rest and there is no friction.
October 24, 2011 by JJ

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 123 kg man space finds himself 60 m away from his space ship and wants to get back. he holds a 2kg space gun which fires 5.00g bullet at a rate of 1500m/s. if he fires a single bullet in a direction directly away from the spaceship, how long would it take the man to arrive ...
February 21, 2010 by Gweedo8

PHYSICS
a 123 kg man space finds himself 60 m away from his space ship and wants to get back. he holds a 2kg space gun which fires 5.00g bullet at a rate of 1500m/s. if he fires a single bullet in a direction directly away from the spaceship, how long would it take the man to arrive ...
February 22, 2010 by Anonymous

physics
Hello everyone, I need help with this question: A dart gun is fired while being held horizontally at a height of 1.00m above ground level and while it is at rest relative to the ground. The dart from the gun travels a horizontal distance of 5.00m. A college student holds the ...
September 4, 2012 by Leo

physics
A military gun is mounted on a railroad car (m = 1590 kg) as shown in Figure P7.34. There is no frictional force on the car, the track is horizontal, and the car is initially at rest. The gun then fires a shell of mass 26 kg with a velocity of 280 m/s at an angle of 28 with ...
October 2, 2011 by megan

physics
a gun fires a shell with a speed of 315m/s. Neglecting the effects of air resistance, calculate the maximum range of this gun
October 8, 2011 by Cam

physics
A dart gun is fired while being held horizontally at a height of 1.38m above ground level, and at rest relative to the ground. The dart from the fun travels a horizontal distance of 7.76. A child holds the same gun in a horizontal position while sliding down a 28.8 degrees ...
September 4, 2010 by Mimi

physics
A machine gun fires 20 bullets per second in to a target. Each bullet weight 10 gm and has a speed of 1500m/s; Find the Force necessary to hold the gun in position.
September 11, 2012 by salman

physics
a machine gun fires 10 bullets persecond into a target. each bullet weights 20 gm and had a speed of 1500 m per second .find the force neccessary to hold the gun in posotion?
April 5, 2012 by sunny

Physics
A gun fires a bullet. When will the muzzle velocity of the bullet be equal to the recoil speed of the gun?
November 15, 2011 by Shari

science-physics
A machine gun of mass 10 kg fires 20g bullets at the rate of 10 bullets per second, with the speed of 500 m/s. What is the force necessary to hold the gun in position?
October 13, 2012 by lalitha

science
A 27 kg gun is standing on a frictionless sur- face. The gun fires a 56 g bullet with a muzzle velocity of 314 m/s. The positive direction is that of the bullet. Calculate the momentum of the bullet im- mediately after the gun was fired. Answer in units of kg m/s Calculate ...
May 14, 2013 by Anonymous

science
A 27 kg gun is standing on a frictionless sur- face. The gun fires a 56 g bullet with a muzzle velocity of 314 m/s. The positive direction is that of the bullet. Calculate the momentum of the bullet im- mediately after the gun was fired. Answer in units of kg m/s Calculate ...
May 14, 2013 by Anonymous

science
A 27 kg gun is standing on a frictionless sur- face. The gun fires a 56 g bullet with a muzzle velocity of 314 m/s. The positive direction is that of the bullet. Calculate the momentum of the bullet im- mediately after the gun was fired. Answer in units of kg m/s Calculate ...
May 14, 2013 by Anonymous

Physics
Suppose that you have a spring gun that you use to launch a small metal ball. You try the first two settings of the gun. The first setting compresses the spring by 1 cm and fires the ball a distance of 0.25 m . The second setting compresses the spring by 2 cm and fires the ...
February 3, 2012 by Susan

Physics
a 10 kg gun recoils with a speed of 0.1 meter per second as it fires a 0.001kg bullet. what is the speed of the bullet as it leaves the gun
January 13, 2011 by Diana

Physics
a 1.75kg pistol lies at rest on an essentially frictionless bench. it accidentally fires and shoots a 25 gram bullet parallel to the bench. How far has the bullet moved by the time the gun has recoiled 2.60mm?
April 25, 2011 by dave

Physics
a 1.75kg pistol lies at rest on an essentially frictionless bench. it accidentally fires and shoots a 25 gram bullet parallel to the bench. How far has the bullet moved by the time the gun has recoiled 2.60mm?
April 25, 2011 by Cole

physics
A railroad gun of mass M = 2.0 kg fires a shell of mass m =1.0 kg at an angle of theta= 35.0 with respect to the horizontal as measured relative to the gun. After the firing is complete, the final speed of the projectile relative to the gun (muzzle velocity) is v_0 =100.0 m/s...
November 4, 2013 by ashok

Physics ASAP PLease
A railroad gun of mass M = 2.0 kg fires a shell of mass m =1.0 kg at an angle of theta= 35.0 with respect to the horizontal as measured relative to the gun. After the firing is complete, the final speed of the projectile relative to the gun (muzzle velocity) is v_0 =100.0 m/s...
October 26, 2013 by askas

Physics
A railroad gun of mass M = 3.0 kg fires a shell of mass m=1.0 kg at an angle of θ= 45.0 ∘ with respect to the horizontal as measured relative to the gun. After the firing is complete, the final speed of the projectile relative to the gun (muzzle velocity) is v0=120....
October 25, 2013 by Anonymous

Physics
A railroad gun of mass M = 3.0 kg fires a shell of mass m=1.0 kg at an angle of θ= 45.0 ∘ with respect to the horizontal as measured relative to the gun. After the firing is complete, the final speed of the projectile relative to the gun (muzzle velocity) is v0=120....
October 25, 2013 by Anonymous

Physics Classical Mechanics
A railroad gun of mass M = 2.0 kg fires a shell of mass m=1.0 kg at an angle of θ= 40.0 ∘ with respect to the horizontal as measured relative to the gun. After the firing is complete, the final speed of the projectile relative to the gun (muzzle velocity) is v0=110....
October 28, 2013 by Anonymous

science
a hunter aims his gun and fires a bullet directly at a monkey in a tree. at the instant the bullet leaves the barrel of the gun,the monkey drops. will the bullet hit the monkey .substantiate your answer with proper reasoning.
July 1, 2012 by jo1

physics
A 3.1-kilogram gun initially at rest is free to move. When a 0.015-kilogram bullet leaves the gun with a speed of 500. meters per second, what is the speed of the gun?
May 7, 2011 by ashley --- HELP PLEASEE!!!

physics
The largest railway gun ever built was called Gustav and was used briefly in World War II. The gun, mount, and train car had a total mass of 1.22 106 kg. The gun fired a projectile that was 80.0 cm in diameter and weighed 7502 kg. In the firing illustrated in the figure, the ...
February 25, 2011 by Anonymous

physics
The gun, mount, and train car had a total mass of 1.22 106 kg. The gun fired a projectile that was 80.0 cm in diameter and weighed 7502 kg. In the firing illustrated in the figure, the gun has been elevated at = 18.0 above the horizontal. If the railway gun was at rest ...
February 28, 2011 by Anonymous

Physics 12 Kinematics
I'm not really sure how to use the algebra to prove the monkey shouldn't have dropped. Obviously if the hunter aimed the gun directlt at the monkey it wouldn't hit it as gravity would pull it down. A huntsman fires a gun pointing at a monkey hanging on the branch of a tree. ...
November 8, 2013 by Oscar

science
A man fires a gun 150m from a cliff. A second man who is standing 300m further away from the cliff hears the gun 1 second after he sees the flash. When will the second man will hear the echo from the cliff?
November 15, 2011 by surbhi

Intermediate Algebra
Standing on a platform 60 feet high, a person accidentally fires a gun straight into the air. the formula h=-16t^2+100t+60 describes the bullet's height above the ground, h, in feet,t seconds after the gun is fired. how long will it take for the bullet to hit the ground? round...
December 16, 2012 by Anonymous

physics
A gun is mounted at the top of light house of height h. A similar gun is mounted in the boat in the sea. Both the guns can fire shots with speed upto under root 2gk, where k>h. What will be the area in which gun at the top can be gun in the boat, but gun in the boat cannot ...
July 26, 2011 by Tillu

Physics
An observer stands 43.0 m behind a marksmen practicing at a rifle range. The marksman fires the rifle horizontally which gives the speed of the bullet to be 939 m/s. How far does each bullet travel before the observer hears the report of the rifle? Assume that the bullet ...
March 13, 2011 by Steph

physics
a gun tilted upward at 30 degrees fires a bullet with a speed of 215 m/s. what is the bullets velocity parallel to the ground?
February 2, 2011 by vicki

physics help
a gun tilted upward at 30 degrees fires a bullet with a speed of 215 m/s. what is the bullets velocity parallel to the ground
February 2, 2011 by vicki

please help with physics
a gun tilted upward at 30 degrees fires a bullet with a speed of 215 m/s. what is the bullets velocity parallel to the ground
February 3, 2011 by vicki

Phisics (Urgent)!!!!!!!!!!!!!!!!!!!!!!
A gunman standing on a sloping ground fires up the slope. The initial speed of the bullet is v0= 340 m/s. The slope has an angle α= 12 degrees from the horizontal, and the gun points at an angle θ from the horizontal. The gravitational acceleration is g=10 m/s2. (a) ...
January 12, 2014 by Anonimus

Physics Classical Mechanics Help ASAP
A gunman standing on a sloping ground fires up the slope. The initial speed of the bullet is v0= 390 m/s. The slope has an angle α= 25 degrees from the horizontal, and the gun points at an angle θ from the horizontal. The gravitational acceleration is g=10 m/s2. (a) ...
January 10, 2014 by Anonymous

Kinematics algebra question - Physics 11
I don't know how to even approach this... It's suppose to be on my physics test. A huntsman fires a gun pointing at a monkey hanging on the branch of a tree. The huntsman and the base of the tree are on a flat horizontal. At the moment the huntsman fires the gun, the monkey ...
November 8, 2013 by Raylene

Comm/215
When a police officer fires his gun, he must fill out a lot of paperwork. Correct pronoun errors? I don't see any.
August 13, 2010 by Bryce

english
revise the following sentence to remove all pronoun errors. When a police officer fires his gun, he must fill out a lot of paperwork.
September 30, 2009 by dee

science
machine fires 5 bullets per sec each of velocity 200m/sec. find power of the gun.
September 28, 2012 by spandana

physics
A gunman standing on a sloping ground fires up the slope. The initial speed of the bullet is v0= 390 m/s. The slope has an angle α= 19 degrees from the horizontal, and the gun points at an angle θ from the horizontal. The gravitational acceleration is g=10 m/s2. (a) ...
January 10, 2014 by JuanPro

physics
A dart gun is fired while being held horizontally at a height of 1.19 m above ground level, and at rest relative to the ground. The dart from the gun travels a horizontal distance of 3.33 m. A child holds the same gun in a horizontal position while sliding down a 36.4 ...
November 12, 2012 by gracie

physics
A dart gun is fired while being held horizontally at a height of 1.19 m above ground level, and at rest relative to the ground. The dart from the gun travels a horizontal distance of 3.33 m. A child holds the same gun in a horizontal position while sliding down a 36.4 ...
November 12, 2012 by gracie

Physics
A dart gun is fired while being held horizontally at a height of 1.52 m above ground level, and at rest relative to the ground. The dart from the gun travels a horizontal distance of 7.81 m. A child holds the same gun in a horizontal position while sliding down a 35.7&#...
November 29, 2012 by Big Poppa Smurf

Physics
A 8.00 multiplied by 107 kg battleship originally at rest fires a 1400 kg artillery shell horizontally with a velocity of +550 m/s. (a) If the shell is fired straight aft, there will be negligible friction opposing the ships recoil velocity. Calculate its recoil velocity. (b) ...
July 14, 2013 by Amy

Physics
A gatling gun fires at a rate of 2000 rounds per minute. If the bullets travel at a speed of 800m/s, how far apart are the bullets?
May 1, 2011 by Derek

COMM215
revising sentences to remove these pronouns When a police officer fires his gun, he mustfill out a lot of paperwork. When a teacher writes an exam, they think about what aspects of students learning they want
April 9, 2010 by Jana

statistics
A USU Today survey found that of the gun owners surveyed 55% favor stricter gun laws. The survey Involved 500 gun owners. Test the claim that a majority (more than 50%) of gun owners favor stricter gun laws. Use a .05 significance level.
May 12, 2010 by Lynn

statistics
A USU Today survey found that of the gun owners surveyed 55% favor stricter gun laws. The survey Involved 500 gun owners. Test the claim that a majority (more than 50%) of gun owners favor stricter gun laws. Use a .05 significance level.
May 12, 2010 by Lynn

Science
A gun fires a shell at an angle of elevation of 30 degrees with a velocity of 2*10^3m/s. What is the horizontal and vertical component of the velocity? What is the range of the shell? how high will the ball rise
September 29, 2012 by Joshua

Physics
When a gun (3 kg) shoots a bullet (.025 kg), the bullet goes forward and the gun recoils backward. Which of the following statements is true? Select one: a. The force pushing the gun backwards is smaller than the force pushing the bullet forward. b. Both objects accelerate at ...
November 19, 2012 by Cameron

Physics
The lead female character in the movie Diamonds Are Forever is standing at the edge of an offshore oil rig. As she fires the gun, she is driven back over the edge and into the sea. Suppose the mass of a bullet is 0.009 kg, and its velocity is +712 m/s. Her mass (including the ...
November 2, 2008 by Brandon

Physics
The lead female character in the movie Diamonds Are Forever is standing at the edge of an offshore oil rig. As she fires the gun, she is driven back over the edge and into the sea. Suppose the mass of a bullet is 0.005 kg, and its velocity is +726 m/s. Her mass (including the ...
October 24, 2010 by Xavier

Physics
The lead female character in the movie Diamonds Are Forever is standing at the edge of an offshore oil rig. As she fires a gun, she is driven back over the edge and into the sea. Suppose the mass of a bullet is 0.005 kg, and its velocity is +730 m/s. Her mass (including the ...
February 22, 2011 by Lauren

Physics
The lead female character in the movie Diamonds Are Forever is standing at the edge of an offshore oil rig. As she fires a gun, she is driven back over the edge and into the sea. Suppose the mass of a bullet is 0.015 kg, and its velocity is +726 m/s. Her mass (including the ...
October 22, 2012 by Elizabeth

Physics
The lead female character in the movie Diamonds Are Forever is standing at the edge of an offshore oil rig. As she fires a gun, she is driven back over the edge and into the sea. Suppose the mass of a bullet is 0.009 kg, and its velocity is +735 m/s. Her mass (including the ...
December 10, 2012 by Christina

PHYSICS 11th
A girl holds a 1.7 kg air rifle loosely and fires a bullet of mass 2 g. The muzzle velocity of the bullet is 160 m/s. What is the magnitude of the recoil velocity of the gun?
January 6, 2012 by Anon

statistics
A USU today survey found that of the gun owners surveyed 275 favor stricter gun laws. Test the claim that the majority (more than 50%) of gun owners favor stricter gun laws. Use a .05 significance level.
December 7, 2010 by randy

Physics
A 80 kg astronaut fires a 20 kg torpedo at 50 m/s from his torpedo gun. What is the astronaut's recoil speed?
November 15, 2011 by Shari

English
Revise the following sentences to remove all pronoun errors. 41. When a police officer fires his gun, he must fill out a lot of paperwork. 42. When a teacher writes an exam, they think about what aspects of student learning they want to test.
July 28, 2011 by bill

physics
Scientists are experimenting with a kind of gun that may eventually be used to fire payloads directly into orbit. In one test, this gun accelerates a 9.7-kg projectile from rest to a speed of 6.5 103 m/s. The net force accelerating the projectile is 8.0 105 N. How much ...
June 24, 2013 by BRAD

physics
Scientists are experimenting with a kind of gun that may eventually be used to fire payloads directly into orbit. In one test, this gun accelerates a 7.0 kg projectile from rest to a speed of 4.0 x 103 m/s. The net force accelerating the projectile is 4.9 x 105 N. How much ...
September 20, 2013 by paul

physicsh
Scientists are experimenting with a kind of gun that may eventually be used to fire payloads directly into orbit. In one test, this gun accelerates a 4.8-kg projectile from rest to a speed of 3.9 103 m/s. The net force accelerating the projectile is 4.8 105 N. How much time is...
October 31, 2013 by butcha

science
Scientists are experimenting with a kind of gun that may eventually be used to fire payloads directly into orbit. In one test, this gun accelerates a 4.8-kg projectile from rest to a speed of 3.9 103 m/s. The net force accelerating the projectile is 4.8 105 N. How much time is...
November 1, 2013 by butcha

PHYSICS
Scientists are experimenting with a kind of gun that may eventually be used to fire payloads directly into orbit. In one test, this gun accelerates a 8.9-kg projectile from rest to a speed of 4.2 103 m/s. The net force accelerating the projectile is 1.4 105 N. How much ...
March 16, 2014 by Tom

phys
A 5g bullet is fired from a 5000g gun. If the bullet leaves the gun going +800m/s, with what speed does the gun recoil?
October 18, 2010 by gg

physics
A 5g bullet is fired from a 5000g gun. If the bullet leaves the gun going +800m/s, with what speed does the gun recoil?
December 17, 2013 by Anonymous

physics
Scientists are experimenting with a kind of gun that may eventually be used to fire payloads directly into orbit. In one test, this gun accelerates a 4.8-kg projectile from rest to a speed of3.9 103 m/s. The net force accelerating the projectile is 4.8 105 N. How much time is ...
October 31, 2013 by Anonymous

physics
The spring in the muzzle of a child's spring gun has a spring constant of 780 N/m. To shoot a ball from the gun, first the spring is compressed and then the ball is placed on it. The gun's trigger then releases the spring, which pushes the ball through the muzzle. The ball ...
March 21, 2012 by kassie

statistics
A usu today survey foudn that of the gun owners surveyed 275 favor sticter gun laws. The survey involved 500 gun owners. Test the claim that a mojority( more than 50%) of gun owners favor stricter fun laws. use .05 significane level
May 10, 2010 by ds

physicis
A pellet gun fires ten 3.00 g pellets per second with a speed of 840 m/s. The pellets are stopped by a rigid wall. What is the average force (in newtons) exerted by the pellets on the wall?
April 23, 2013 by PCm

physics
A pellet gun fires ten 3.00 g pellets per second with a speed of 840 m/s. The pellets are stopped by a rigid wall. What is the average force (in newtons) exerted by the pellets on the wall?
April 24, 2013 by Help!!!

home economics
illustrate each policy in a supply and demand digram of the gun market. a. a tax on gun buyers, b. a tax on gun sellers, c. a price floor in guns , d. a tax on ammunition
September 24, 2009 by melissa

physics
A kid fires water horizontally from a squirt gun held 1.6 above the ground. It hits another kid 2.1 away square in the back, at a point 0.91 above the ground.
February 10, 2012 by lala

Physics
A gun is positioned in a cliff 80m above sea level. It fires a shell, which leaves the muzzle with a velocity of 400 m/s in the horizontal direction. What is the closest distance that a ship can approach the cliff without being hit by the shell?
January 31, 2011 by Amjad

physics
n anti-aircraft gun fires a 23.7 kg shell with a muzzle speed of 880 m/s. What magnitude propulsive force was necessary to attain the muzzle speed within the 5.05 m barrel? (Assume constant acceleration and neglect the Earth's gravitational effect.)
March 20, 2013 by Anonymous

Physics
A hunter aims his gun and fires a bullet directly at a monkey. At the instant the bullet is fired, the monkey drops. The minimum speed for the bullet to hit monkey is..?
November 9, 2013 by Oscar

science
Q10 A hunter aims his gun and fires a bullet directly at a monkey. At the instant the bullet is fired, the monkey drops. The minimum speed for the bullet to hit monkey is
October 7, 2012 by anmol

physics
The launching mechanism of a toy gun consists of a spring of unknown spring constant, as shown in the figure below. If the spring is compressed a distance of 0.160 m and the gun fired vertically as shown, the gun can launch a 21.0-g projectile from rest to a maximum height of ...
March 21, 2013 by Anonymous

Physics
If the spring is compressed a distance of 0.144 m and the gun fired vertically as shown, the gun can launch a 18.5g projectile from rest to a maximum height of 19.5 m above the starting point of the projectile. Neglecting all resistive forces, determine the spring constant ...
March 9, 2013 by Anonymous

physics
a pneumatic nail gun with muzzle speed of 37m/s fires a 5.0cm nail directly into a hard wood that stops the nail just when it is full embedded in the wood. Assuming the nail's deceleration to be constant, what is its magnitude?
June 6, 2012 by Robert

science
A gun that shoots bullets at 469m/s is to be aimed at a target 45.7 m away ans level with the gun. How high above the target must the gun barrel be pointed so that the bullet hits the target? Which equation would I use? I should have gotten 4.8 cm for the answer...
October 24, 2006 by Jose

physics
A gun that shoots bullets at 469m/s is to be aimed at a target 45.7 m away ans level with the gun. How high above the target must the gun barrel be pointed so that the bullet hits the target? Which equation would I use? I should have gotten 4.8 cm for the answer...
October 25, 2006 by Bobby

College Physics
If the spring is compressed a distance of 0.150 m and the gun fired vertically as shown, the gun can launch a 27.6g projectile from rest to a maximum height of 16.1 m above the starting point of the projectile. Neglecting all resistive forces, determine the spring constant. ...
September 30, 2012 by Emily

PHYSICS
You shoot your potato gun horizontally from shoulder height, which is 190 cm. The potato lands 15 m away from you. You would like the potato to go 90 m, so you climb up a ladder and fire the gun horizontally from there. How high over the ground must the gun be?
February 15, 2014 by SHAWN

Physics !!!!! HELP PLEASE
A hand gun fires a 12.0 g bullet at a speed of 400 m/s. What is its kinetic energy? At what speed must a motorcycle of mass 173 kg move to have the same kinetic energy as the bullet? Express your answer in km/h.
May 22, 2013 by Joeline

Physics
A block of mass m is placed in a smooth-bored spring gun at the bottom of the incline so that it compresses the spring by an amount x_c. The spring has spring constant k. The incline makes an angle theta with the horizontal and the coefficient of kinetic friction between the ...
March 13, 2011 by Trevor

physics
The lead female character in the movie Diamonds Are Forever is standing at the edge of an offshore oil rig. As she fires a gun, she is driven back over the edge and into the sea. Suppose the mass of a bullet is 0.012 kg, and its velocity is +715 m/s. Her mass (including the ...
November 9, 2011 by Kelsey

AP Pysics
You are the lead scientist for a criminal investigation unit. Your team has found what might be the gun that caused the murder.Unfortunately the bullet that identifies the gun can not be found,but there is enough evidence that if you can figure out the speed of the bullet at a...
October 25, 2006 by Keshia

math (word problem) last one
The equation y=-1777x+27,152 can be used to predict the number of y of gun deaths in the U.S. x years after 2000, that is x=0 corresponds to 2000, x=3 corresponds to 2003, x=4 corresponds to 2004 and so on. Predict the number of gun deaths in 2004 and 2007. In what year will ...
November 6, 2009 by scooby

Physics
A gun that is spring-loaded shoots an object horizontally. The initial height of the gun is h=5 cm and the object lands 20 cm away. What is the gun's muzzle velocity? Do i use something like v=sqr(k)/m*x. am getting something like 3.2, is this somewhat correct at all.
April 14, 2009 by Jacob

Physics
A gun that is spring-loaded shoots an object horizontally. The initial height of the gun is h=5 cm and the object lands 20 cm away. What is the gun's muzzle velocity? Do i use something like v=sqr(k)/m*x. I am getting something like 3.2, is this somewhat correct at all.
April 14, 2009 by Malcom

physics
a toy spring gun is used to shoot 28-g bullets vertically upward. the un deformed length is 150 mm, it is compressed to a length of 25 mm when the gun is ready to be shoot and expands to a length of 75mm as the bullet leaves the gun. a force of 45 N is required to maintain the...
June 1, 2011 by jenny

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