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October 1, 2014

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physics.
A 20.0 kg cannon ball is fired from a cannnon with muzzle speed of 1000 m/s at an angle of 37.0 with the horizontal. A second ball is fired at an angle of 90.0. Use the conservation of energy principle to find a] the maximum height reached by each ball and b] the total ...
March 15, 2007 by Jean

physics
A cannon res a cannonball from ground level at an angle of 18 above the horizontal, and the cannonball lands on the ground some distance away. If the muzzle velocity of the cannon remains unchanged, at what angle should the cannon be red so that the cannonball travels twice ...
September 19, 2014 by kristen

Physics
A revolutionary cannon, with a mass of 2000kg, fires a 20kg ball horizontally. The cannonball has a speed of 140m/s after it has left the barrel. The cannon carriage is on a flat platform and is free to roll horizontally. What is the speed of the cannon immediately after it ...
September 18, 2006 by puff puff

physics
A cannon with a muzzle speed of 1008 m/s is used to start an avalanche on a mountain slope. The target is 1900 m from the cannon horizontally and 802 m above the cannon. At what angle, above the horizontal, should the cannon be fired? (Ignore air resistance.) Someone help ...
October 10, 2011 by tibby

Physics
a) A cannonball is fired horizontally from the top of a cliff. The cannon is at height H = 100 m above ground level, and the ball is fired with initial horizontal speed v_0. Assume acceleration due to gravity to be g = 9.80 m/s^2. Assume that the cannon is fired at time t = 0 ...
September 26, 2008 by Sam

Physics 111
King Arthur's knights fire a cannon from the top of the castle wall. The cannonball is fired at a speed of 48 m/s and at an angle of 29. A cannonball that was accidentally dropped hits the moat below in 1.7 s. (a) How far from the castle wall does the cannonball hit the ground?
September 19, 2010 by Anonymous

math
Mighty Mouse (who flies at a constant speed of 600mph) was standing by a cannon that was pointed straight up. A cannonball was shot vertically into the air with an initial velocity of 300 mph. Exactly one second after the cannon was fired, Mighty Mouse flew up to touch the ...
April 24, 2013 by bern

Math
Mighty Mouse (who flies at a constant speed of 1400 ft/sec) was standing next to a cannon that was pointed straight up. A cannonball was shot vertically into the air with an initial velocity of 880 ft/sec. Exactly one second after the cannon was fired, Might Mouse flew up to ...
December 10, 2012 by Jeremie

11th grade-physics
a cannon with a mass of 1,500kg fired a 7kg cannonball along its 3m long barrel in 0.015 seconds a)calculate the acceleration of the cannonball b)the force acting on the cannonball c) the reaction force exerted on the cannon d)the acceleration of the cannon e) the distance the...
March 28, 2010 by Bill Williams

physics
A 530 cannon fires a 12 cannonball with a speed of 200 relative to the muzzle. The cannon is on wheels that roll without friction.
November 30, 2011 by Anonymous

physics
King Arthur's knights fire a cannon from the top of the castle wall. The cannonball is fired at a speed of 54 m/s and at an angle of 34. A cannonball that was accidentally dropped hits the moat below in 1.1 s.(a) (a)How far from the castle wall does the cannonball hit the ...
June 19, 2011 by kate

physics
King Arthur's knights fire a cannon from the top of the castle wall. The cannonball is fired at a speed of 42 m/s and at an angle of 33. A cannonball that was accidentally dropped hits the moat below in 1.6 s. (a) How far from the castle wall does the cannonball hit the ...
March 5, 2012 by Haley

Physics
A cannon launches a ball with the initial speed of 210 m/s at a 70 degree angle. 1. How high will the cannonball go? 2. If the cannonball has a mass of 25kg how much work does it take to launch the cannonball to that height?
April 11, 2014 by Michelle

physics
A railway flat car is rushing along a level frictionless track at a speed of 45m/s. Mounted on the car and aimed forward is a cannon that fires 65 kg cannon balls with a muzzle speed of 625m/s. The total mass of the car, the cannon, and the large supply of cannon balls on the ...
October 10, 2011 by Alejandro

Science
A revolutionary war cannon, with a mass of 2170 kg, fires a 18.1 kg ball horizontally. The cannonball has a speed of 146 m/s after it has left the barrel. The cannon carriage is on a flat platform and is free to roll horizontally. What is the speed of the cannon immedi- ately ...
October 18, 2010 by Cole

physics
When a cannon fires a cannonball, the cannon will recoil backward because the a) energy of the cannonball and the cannon is conserved b) momentum of the cannonball and cannon is conserved c)energy of the cannon is greater than the energy of the cannonball d) momentum of the ...
October 24, 2007 by Tammy

physics...plz help me
A cannon is pointed at a 60 degree angle relative to a flat, horizontal field. It fires a projectile with a muzzle speed of 1500 ft/s. Then the gunners change the angle to 30 degree, reload the cannon, and 5.0 seconds later, fire. What is the required muzzle speed for the ...
December 10, 2008 by mary

PHYSICS
A cannon is fired horizontally from atop a 40.0 m tower. The cannonball travels 175 m horizontally before it strikes the ground. With what velocity did the ball leave the muzzle?
December 20, 2010 by marco

Physics
A cannon is fired horizontally from atop a 40.0 m tower. The cannonball travels 145 m horizontally before it strikes the ground. With what velocity did the ball leave the muzzle?
December 22, 2010 by Anonymous

physics
A cannon is fired from a cliff 190 m high downward at an angle of 21 with respect to the horizontal. If the muzzle velocity is 34 m/s, what is its speed (in m/s) when it hits the ground?
February 1, 2012 by qwertzuiop

physics
A cannon is fired from a cliff 190 m high downward at an angle of 21 with respect to the horizontal. If the muzzle velocity is 34 m/s, what is its speed (in m/s) when it hits the ground?
February 2, 2012 by qwertzuiop

Physics
A cannon is fired from a cliff 190 m high downward at an angle of 21 with respect to the horizontal. If the muzzle velocity is 34 m/s, what is its speed (in m/s) when it hits the ground?
February 2, 2012 by Lisa

Physics
A cannon is fired from a cliff 190 m high downward at an angle of 21 with respect to the horizontal. If the muzzle velocity is 34 m/s, what is its speed (in m/s) when it hits the ground?
February 4, 2012 by sarah

Physics Honors
A cannon fires a cannonball 500 m downrange when sest at a 45 angle. At what velocity does the cannonball leave the cannon?
December 2, 2011 by Jacqueline

physics problem
A cannon is fired horizontally from atop a 40.0 m tower. The cannonball travels 175 m horizontally before it strikes the ground. With what velocity did the ball leave the muzzle?
December 20, 2010 by marco

physics
A cannon is fired from a cliff 200 m high downward at an angle of 30o with respect to the horizontal. If the muzzle velocity is 34 m/s, what is its speed (in m/s) when it hits the ground?
September 21, 2010 by Anonymous

physics
A cannon is fired from a cliff 200 m high downward at an angle of 30o with respect to the horizontal. If the muzzle velocity is 34 m/s, what is its speed (in m/s) when it hits the ground?
September 21, 2010 by Anonymous

physics
A cannon is fired from a cliff 200 m high downward at an angle of 30o with respect to the horizontal. If the muzzle velocity is 34 m/s, what is its speed (in m/s) when it hits the ground?
September 22, 2010 by roxy

physics
A cannon is fired from a cliff 200 m high downward at an angle of 30o with respect to the horizontal. If the muzzle velocity is 34 m/s, what is its speed (in m/s) when it hits the ground?
September 22, 2010 by Anonymous

Physics
A cannon of mass 200kg, fires a cannonball with a mass of 10kg. The cannon ball leaves the barrel of the cannon with a velocity of 60 m/s. Using the law of conservation of momentum , explain what happens to the cannon when the cannon ball is fired. (Answer should include ...
March 22, 2011 by Nelly

college physics
A cannon is fired from a cliff 200 m high downward at an angle of 30o with respect to the horizontal. If the muzzle velocity is 34 m/s, what is its speed (in m/s) when it hits the ground?
September 21, 2010 by roxy

Physics
A cannon is fired from a cliff 190 m high downward at an angle of 38o with respect to the horizontal. If the muzzle velocity is 41 m/s, what is its speed (in m/s) when it hits the ground? Which equations do I need for this?
November 8, 2007 by Lindsay

Physics
A cannon is mounted on a truck that moves forward at a speed of 5 m/s. The operator wants to launch a ball from a cannon so the ball goes as far as possible before hitting the level surface. The muzzle velocity of the cannon is 50 m/s. What angle from the horizontal should the...
February 17, 2013 by Brian

physics
A cannonball is fired horizontally from the top of a cliff. The cannon is at height = 70.0 above ground level, and the ball is fired with initial horizontal speed . Assume acceleration due to gravity to be = 9.80 .
February 4, 2011 by Anonymous

Physics
During a training exercise a cannon ball is fired with a muzzle velocity of 84.9 m/s at an angle of 45o above the horizontal. Determine how far from the cannon the ball will land when it hits the ground.
June 23, 2012 by Aria

physics
Suppose a fixed cannon is to fire a projectile at an enemy tank, which is moving toward the cannon at a speed of 15 mph. If the cannon is to fire at the moment the tank is 3 miles from the cannon and the muzzle speed of the cannon is 1100 mph, what is the correct equation to ...
April 6, 2010 by Drew

vector geometry
Suppose a fixed cannon is to fire a projectile at an enemy tank, which is moving toward the cannon at a speed of 15 mph. If the cannon is to fire at the moment the tank is 3 miles from the cannon and the muzzle speed of the cannon is 1100 mph, what is the correct equation to ...
April 6, 2010 by Drew

Physics
Someone posted the question below, stating that they knew the answer to part A but needed help with part B. Well even with the answer for A, I can't figure it out! Can you take a step back from the question below to show me the steps for solving part A? I've been working on ...
October 14, 2008 by Anna

Physics
A cannon is mounted on a truck that moves forward at a speed of 5 m/s. The operator wants to launch a ball from a cannon so the ball goes as far as possible before hitting the level surface. The muzzle velocity of the cannon is 50 m/s. What angle from the horizontal should the...
February 13, 2013 by Brian

physics
Suppose a fixed cannon is to fire a projectile at an enemy tank, which is moving toward the cannon at a speed of 15 mph. If the cannon is to fire at the moment the tank is 3 miles from the cannon and the muzzle speed of the cannon is 1100 mph, what is the correct equation to ...
April 6, 2010 by drew

Physics
The cannonball is fired at a speed of 45 and an angle of 35 . A cannonball that was accidentally dropped from the top of the castle wall hit the moat below in 1.8 .
April 20, 2013 by jeff

Physics
A cannon is fired horizontally from atop a 40.0 m tower. The cannonball travels 180 m horizontally before it strikes the ground. With what velocity did the ball leave the muzzle? Okay so this is my work for this problem. please help If I did something wrong. Thanks! 40=1/2(9.8...
September 13, 2014 by Alexandra

Physics repost
A cannon is fired from a cliff 190 m high downward at an angle of 38o with respect to the horizontal. If the muzzle velocity is 41 m/s, what is its speed (in m/s) when it hits the ground? I keep getting 64.28 m/s as my answer, but it's not right. Could someone tell me exactly ...
November 9, 2007 by Lindsay

physics
a cannonball is fired horizontally from the top of a cliff. the cannon is at height H=60.0m above ground level , and the ball is fired with initial horizontal speed v_0 .assume acceleration due to gravity to be g=9.80 find d/2 int terms of v_0
November 27, 2011 by boboooo

Physics
Assume you are a medieval knight attacking a castle with a canon. The ball leaves the cannon with a speed of 34.9 m/s. The barrel's angle with respect to the ground is 39.5 deg, and you make a perfect hit on the tyrant's chamber which is at the same level as the cannon's ...
November 5, 2009 by Anonymous

Physics
During a circus performance, a 75-kg human cannonball is shot out of an 19-m-long cannon. If the human cannonball spends 0.94 s in the cannon, determine the average net force exerted on him in the barrel of the cannon
September 29, 2010 by Xavier

Physics
During a circus performance, a 75-kg human cannonball is shot out of an 19-m-long cannon. If the human cannonball spends 0.94 s in the cannon, determine the average net force exerted on him in the barrel of the cannon
October 3, 2010 by Jibri

Physics
During a circus performance, a 64-kg human cannonball is shot out of an 17-m-long cannon. If the human cannonball spends 0.99 s in the cannon, determine the average net force exerted on him in the barrel of the cannon.
October 3, 2012 by Anonymous

Physics
During a circus performance, a 64-kg human cannonball is shot out of an 17-m-long cannon. If the human cannonball spends 0.99 s in the cannon, determine the average net force exerted on him in the barrel of the cannon.
October 3, 2012 by Donald

Physics
During a circus performance, a 77-kg human cannonball is shot out of an 20-m-long cannon. If the human cannonball spends 0.91 s in the cannon, determine the average net force exerted on him in the barrel of the cannon.
February 22, 2013 by Ronnica

Physics!!
During a circus performance, a 73.1-kg human cannonball is shot out of a 19.5-m-long cannon. If the human cannonball spends 0.921 s in the cannon, determine the average net force exerted on him in the barrel of the cannon.
February 2, 2011 by Tiffany

physics
During a circus performance, a 67.2-kg human cannonball is shot out of a 17.1-m-long cannon. If the human cannonball spends 0.772 s in the cannon, determine the average net force exerted on him in the barrel of the cannon.
February 23, 2011 by heather

physics
During a circus performance, a 74.8-kg human cannonball is shot out of a 18.0-m-long cannon. If the human cannonball spends 0.844 s in the cannon, determine the average net force exerted on him in the barrel of the cannon.
February 1, 2012 by Erin

physics
A 20 kg cannonball is fired from a 2.4 x 103 kg. If the cannon recoils with a velocity of 3.5 m/s backwards, what is the velocity of the cannonball?
November 23, 2011 by Ula

physics
Two identical cannons fire cannonballs horizontally with the same initial velocity. One cannon is located on a platform partway up a tower, and the other is on top, four times higher than the first cannon. How much farther from the tower does the cannonball from the higher ...
June 15, 2012 by daniel

Physics
A cannon ball is fired from ground level with a speed of 86.0 m/s at an angle of 32 deg. above the horizontal. A 8.5 m tall wall is located 265 m away from the cannon. By how much does the cannon ball clear the wall? In the previous problem, what is the speed of the cannon ...
March 2, 2014 by Yarielis

Physics
A cannon on a railroad car is facing in a direction parallel to the tracks. It fires a 99 kg shell at a speed of 105 m/s (relative to the ground) at an angle of 60.0 above the horizontal. If the cannon plus car have a mass of 5.5 104 kg, what is the recoil speed of the car if...
October 22, 2007 by Dante

physics
A cannonball is shot from a cannon on a cliff at a height of 18.9 m at a ship on the ocean. The cannonball is shot with an initial velocity of 15.1 m/s at an angle of 24.7 degrees above the horizontal. #1- What is the total maximum height of the cannonball (the height with ...
November 24, 2009 by veronica

physics
A cannon on a railroad car is facing in a direction parallel to the tracks (the figure below ). It fires a 99-kg shell at a speed of 105 m/s (relative to the ground) at an angle of 60 above the horizontal. If the cannon plus car have a mass of 4.6 104 kg, what is the recoil ...
February 25, 2011 by Renee

physics
10. A cannon elevated at an angle of 35 to the horizontal fires a cannonball, which travels the path shown in the diagram below. [Neglect air resistance and assume the ball lands at the same height above the ground from which it was launched.] If the ball lands 7.0 10 ...
November 12, 2009 by Physics Student need help

Physics
I have a sheet full of equations, I just don't know which one to use or what type of problem this is. A cannon is on a hill. The hill is 20 m high. The cannon is at an angle of 26 degress. If a cannonball is shot into the valley below. a.) Find the x and y components of ...
February 8, 2010 by Jill

physics
a cannon fires at a castle. the walls are 9m high. if the cannon is pointed at an angle of 60 degrees and has a muzzle velocity of 35m/s will the cannon balls go over the wall or hit the wall?
October 18, 2010 by Natalie

AP Physics
Momentum One of those Civil War cannons is fired. The Cannon has a mass of 873kg It fires a 35.0kg cannon ball at a velocity of 145 m/s at an elevation angle of 35.0 degrees. The length of the barrel is 2.10m. (a) What is the recoil velocity of the cannon?(b)What is the KE of ...
January 8, 2013 by Daisy

algebra
a cannonaball is fired stright up into the air at a speed of 80 ft/sec from a height of 2ft. A. when will the cannon ball be 98 ft in the air? B. when will the cannonball hit the ground?
January 27, 2012 by poi

physics
A cannonball of mass 3.67 kg is shot from a cannon at an angle of 39.51 relative to the horizontal and with an initial speed of 56.41 m/s. As the cannonball reaches the highest point of its trajectory, what is the gain in its potential energy relative to the point from which ...
February 20, 2011 by lizzy

physics
A cannonball of mass 6.09 kg is shot from a cannon at an angle of 47.18 relative to the horizontal and with an initial speed of 48.90 m/s. As the cannonball reaches the highest point of its trajectory, what is the gain in its potential energy relative to the point from which ...
June 9, 2012 by lanre

physics
Ratio of the ranges of the bullets fired from a gun(a constant muzzle speed) at angle x, 2x and 4x is found in the ratio x:2:2 then the values of x will be(assume same muzzle speed of bullets)
August 20, 2014 by shubhi

College Physics
A cannonball of mass 3.67 kg is shot from a cannon at an angle of 39.51 relative to the horizontal and with an initial speed of 56.41 m/s. As the cannonball reaches the highest point of its trajectory, what is the gain in its potential energy relative to the point from which ...
February 20, 2011 by Emma

Physics
A cannon fires a free projectile at an angle 85 from the ground. The cannonball has a speed of 150 m/s and it is launched from a hill 20 m above the plain where it will land 1. What is the x component of the cannonballs initial velocity 2. What is the y component of the ...
February 17, 2014 by Michelle

Physics
A cannon fires a free projectile at an angle 85 from the ground. The cannonball has a speed of 150 m/s and it is launched from a hill 20 m above the plain where it will land 1. What is the x component of the cannonballs initial velocity 2. What is the y component of the ...
February 19, 2014 by Michelle

Phsyics
A cannonball is fired into the air with a speed of 42 m/s from a height of 28 m, with what speed does the cannonball hit the ground?
April 16, 2012 by Kelly

Physics
You are general in the Napoleonic wars. You are on top of a plain 12m talk and you have a cannon tht can shoot a cannonball out at 350 m/s. 800 m away is a thick forest that you cannot see into but one of your scouts in a hot air balloon has just signaled to you that an enemy ...
February 19, 2014 by Michelle

Physics
You are general in the Napoleonic wars. You are on top of a plain 12m talk and you have a cannon tht can shoot a cannonball out at 350 m/s. 800 m away is a thick forest that you cannot see into but one of your scouts in a hot air balloon has just signaled to you that an enemy ...
February 22, 2014 by Michelle

physics
A spring cannon is fastened to a glider at rest on a horizontal frictionless air track. The combined mass of the cannon and the glider is 0.560kg. The cannon fires a ball with a mass of 50g horizontally at a speed of 14 m/s. How fast does the cannon-glider assembly move ...
March 12, 2014 by Anonymous

Physics
A cannon shoots a cannonball with an initial speed of 25 m/s at an angle 13. 1. What is the x component of the cannonballs initial velocity Vox? 2. What is the y component of the cannonballs initial velocity Voy? 3. What will be Vy, the y component of the cannonballs final ...
February 17, 2014 by Michelle

Physics
A cannon shoots a cannonball with an initial speed of 25 m/s at an angle 13. 1. What is the x component of the cannonballs initial velocity Vox? 2. What is the y component of the cannonballs initial velocity Voy? 3. What will be Vy, the y component of the cannonballs final ...
February 19, 2014 by Michelle

physics
a cannon with a mass of 1200 kilograms is positioned at the edge of a cliff where it fires a 100 kilogram cannonball horizontally. The cannonballs initial speed is 35 meters per second. What is the recoil of speed of the cannon.
April 4, 2013 by lauren

Physics
You are a general in the Napoleonic wars. An enemy fort 10m tall is located 1000m from your cannon. Your cannon expert is insisting that you will get the best results at an angle of 25 above the horizontal. Your cannon is located on a hill 10m tall. You have soldiers storming ...
February 19, 2014 by Michelle

Physics
You are a general in the Napoleonic wars. An enemy fort 10m tall is located 1000m from your cannon. Your cannon expert is insisting that you will get the best results at an angle of 25 above the horizontal. Your cannon is located on a hill 10m tall. You have soldiers storming ...
February 22, 2014 by Michelle

physics
When a cannon with a longer barrel is fired, the force of expanding gases acts on the cannonball for a longer distance. What effect does this have on the velocity of the emerging cannonball? (Do you see why long-range cannons have such long barrels?)
April 27, 2013 by Chris

Physics
When a cannon with a longer barrel is fired, the force of expanding gases acts on the cannonball for a longer distance. What effect does this have on the velocity of the emerging cannonball? (Do you see why long-range cannons have such long barrels?)
September 22, 2013 by Miss Angie

physic--help ---
one of the main battery of cannons protecting the entrance to San Francisco Bay were able t horizontally propel 7.3 kg cannon balls with an average speed of 26.2m/s. if the height of the cannon emplacement were 112m above San Francisco Bay, a. how far from the cannon's muzzle...
November 12, 2013 by Tram

Introduction to Physical Science
When a cannon with a longer barrel is fired, the force of expanding gases acts on the cannonball for a longer distance. What effect does this have on the velocity of the emerging cannonball? (Do you see why long-range cannons have such long barrels?)
August 4, 2013 by Jason

Dynamics
Fundamental Problem 15.12 The cannon and support without a projectile have a mass of 250 kg. If a 20 kg projectile is fired from the cannon with a velocity of 400 m/s , measured relative to the cannon, determine the speed of the projectile as it leaves the barrel of the cannon...
September 21, 2011 by Kate

Physics - check my work
A cannon is fired from a cliff 190 m high downward at an angle of 38o with respect to the horizontal. If the muzzle velocity is 41 m/s, what is its speed (in m/s) when it hits the ground? Please check my work. I think its wrong, but I dont know where Im messing up Vx = 41 ...
November 9, 2007 by Lindsay

Science
If a ship is sailing with a constant speed of 30 m/s to the east and a cannonball is launched straight up into the air from the deck of the ship, why does the cannonball land back in the cannon and not in the ocean behind?
February 10, 2010 by Lanell

Physics
When a cannon with a longer barrel is fired, the force of expanding gases acts on the cannonball for a longer distance. What effect does this have on the velocity of the emerging cannonball? (Do you see why long-range cannons have such long barrels?) Please help; need a ...
April 25, 2013 by Chris

Physics
A pistol that fires a signal flare gives the flare an initial speed (muzzle speed) of 185 m/s. (a) If the flare is fired at an angle of 45 above the horizontal on the level salt flats of Utah, what is its horizontal range? You can ignore air resistance. (km) (b) If the flare ...
October 21, 2012 by Michelle

algebra
a cannon is 80 feet long. the muzzle velocity = 960 ft / sec. if fired strait up, what is the maximum height
September 1, 2014 by josh

Physics
1. A 0.50 kg ball is moving with a velocity of 8.0 m/s along a horizontal floor. It hits another ball with a mass of 0.80 kg and moving at 10.0 m/s in the opposite direction. If the first ball bounces back with a velocity of 12 m/s, with what velocity and in what direction ...
September 17, 2014 by Ryzza

Physics
Why does a cannonball shot from a cannon with a long barrel travel faster than the same cannonball shot from a cannon with a shorter barrel?
November 15, 2011 by Shari

physics
A cannonball is shot (from ground level) with an initial horizontal velocity of 38.0 m/s and an initial vertical velocity of 26.0 m/s. 1) What is the initial speed of the cannonball? 2) What is the initial angle θ of the cannonball with respect to the ground? 3) What is ...
August 29, 2012 by Dante

pyhsics
A cannonball is shot (from ground level) with an initial horizontal velocity of 36.0 m/s and an initial vertical velocity of 21.0 m/s. 1) What is the initial speed of the cannonball? 2) What is the initial angle θ of the cannonball with respect to the ground? 3) What is ...
September 8, 2012 by ali

Physics
A cannonball is shot (from ground level) with an initial horizontal velocity of 38.0 m/s and an initial vertical velocity of 26.0 m/s. The initial speed of the cannonball 46.04 m/s The initial angle θ of the cannonball with respect to the ground 34.38 What is the maximum...
September 11, 2012 by Kayla

Physics
A cannonball is shot (from ground level) with an initial horizontal velocity of 38.0 m/s and an initial vertical velocity of 26.0 m/s. The initial speed of the cannonball 46.04 m/s The initial angle θ of the cannonball with respect to the ground 34.38 What is the maximum...
September 11, 2012 by Kayla

Physics
A cannonball is shot (from ground level) with an initial horizontal velocity of 38.0 m/s and an initial vertical velocity of 26.0 m/s. The initial speed of the cannonball 46.04 m/s The initial angle θ of the cannonball with respect to the ground 34.38 What is the maximum...
September 11, 2012 by Kayla

Physics
A cannonball is shot (from ground level) with an initial horizontal velocity of 38.0 m/s and an initial vertical velocity of 26.0 m/s. The initial speed of the cannonball 46.04 m/s The initial angle θ of the cannonball with respect to the ground 34.38 What is the maximum...
September 11, 2012 by Kayla

Physics
A space station in the form of a large wheel, 200m in diameter, rotates to provide an "artificial gravity" of 9.9m/s^2 for people located at the outer rim. What is the frequency of the rotational motion for the wheel to produce this effect? Answer in units of rev/min. ...
September 18, 2006 by puff puff

MATH
The height h (in meters) of a cannonball t seconds after it is fired into the air is given by h=-4t^2+16t+9. a) What is the initial height of the cannonball? What feature does this correspond to on the graph? b) Find the height of the cannonball after 1 second. c) What is the ...
March 8, 2014 by Josh

physics
You are a Middle Ages cannonball scientist attacking a castle a distance D away. Your job is to get a cannonball of mass m over the walls, which are a height H above the top of the cannonball launcher. At the instant when the cannonball leaves the launcher it will be traveling...
January 26, 2014 by Henry

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