Thursday
December 8, 2016

# Search: 0.004 00-kg bullet traveling horizontally with a

Number of results: 8,099

Physics
A bullet of mass is fired horizontally with speed at a wooden block of mass resting on a frictionless table. The bullet hits the block and becomes completely embedded within it. After the bullet has come to rest within the block, the block, with the bullet in it, is traveling ...
October 18, 2010 by Eden

Physics
A 5.0-g bullet traveling horizontally at an unknown speed hits and embeds itself in a 0.195-kg block resting on a frictionless table. The block slides into and compresses a 180-N/m spring a distance of 0.15m before stopping the block and bullet. Determine the initial speed of ...
March 11, 2014 by BULTURP

Physics
while at the shooting range, jonathan shoots a bullet traveling horizontally with speed of 35 m/s. the bullet hits a board, perpendicular to the surface, passes through it and emerges on the other side with speed of 21 m/s. if the board is 4.00cm thick, how long does the ...
September 19, 2013 by lian

High school
A bullet traveling 700 m/s horizontally hits a target 150 m away. How far does the bullet fall before it hits the target?
November 19, 2015 by Anonymous

Evergreen High school
A bullet traveling 700 m/s horizontally hits a target 150 m away. How far does the bullet fall before it hits the target?
November 19, 2015 by Nanpan

Physics
bullet traveling 8.o*10^2 (800) meters per second horizontally hits a target 180 m away. how far does the bullet fall before it hits the target?
November 29, 2012 by Taylorr

Physics
bullet traveling 8.o*10^2 (800) meters per second horizontally hits a target 180 m away. how far does the bullet fall before it hits the target?
November 29, 2012 by Taylorr

science
A 3.00-g bullet traveling horizontally at 500 m/s hits a 4.8-kg wooden block, which is initially at rest on a smooth horizontal table. The bullet buries itself in the block without passing through. The speed of the block after the collision is:

Physics
A 5.0-g bullet traveling horizontally at an unknown speed hits and embeds itself in a 0.195-kg block resting on a frictionless table. The block slides into and compresses a 180-N/m spring a distance of 5.0×10^−2 m before stopping the block and bullet.
March 8, 2016 by Samir Patel

physics
A bullet traveling horizontally at a speed of 350 hits a board perpendicular to its surface, passes through and emerges on the other side at a speed of 230 . If the board is 3.80 thick, how long does the bullet take to pass through it?
September 29, 2012 by sammy

Physic
A bullet traveling horizontally at a speed of 350m/s hits a board perpendicular to its surface, passes through and emerges on the other side at a speed of 190m/s . If the board is 3.80cm thick, how long does the bullet take to pass through it?
January 30, 2015 by Arneisha

PHYSICS
A 10 g bullet is fired horizontally into a 1 kg block of wood hanging from a 1 m long string attached to the ceiling, getting stuck in the block. Due to the impact, the block then swings on the string to a maximum angle of 60 degrees with respect to the vertical. How fast was ...
March 21, 2013 by Anonymous

Physics
A 4.00g bullet, traveling horizontally with a velocity of magnitude 410m/s , is fired into a wooden block with mass of 0.780kg , initially at rest on a level surface. The bullet passes through the block and emerges with its speed reduced to 220m/s . The block slides a distance...
October 15, 2014 by Stas

physics
A 0.0160-kg bullet traveling horizontally at 396 m/s strikes a 3.95-kg block of wood sitting at the edge of a table. The bullet is lodged into the wood. If the table height is 1.06 m, how far from the table does the block hit the floor?
February 8, 2010 by Sarah

physics
A rifle is fired horizontally. The bullet is found to have traveled 200 meters. If the rifle barrel is 1.90 meters above the ground, at what speed must the bullet have been traveling as it left the barrel?
November 30, 2010 by anonymous

physics
Can someone tell me if my answers are correct? A .145 kg block of wood hangs from the ceiling by a string. A bullet with a mass of .004 kg and a speed of 540 m/s strikes the block. After the collision, the block with the bullet embedded rises 42 cm up. a) What is the velocity ...
October 13, 2010 by Anonymous

Physics
A 0,1kg bullet is fired horizontally towards blcok A and B, which are hanging from cords. The bullet passes through block A of mass 2kg and becomes embedded in block B of mass 6.4kg. The bullet thus causes A and B to start moving with velocities of 6m,s- and 2m.s- respectively...
February 12, 2013 by Kerry

physics
a 100-g bullet is fired horizontally into a 14.9kg block of wood resting on a horizontal surface and the bullet becomes embedded in the block. if the muzzle velocity of the bullet is 250 m/s , what is the speed of the bullet immedatly after the impact (neglect surface friction)
February 4, 2008 by melissa

Physics HELP!
A 20.0 g bullet is fired horizontally into a 85 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 156 N/m. The bullet becomes embedded in the block. The bullet block system compresses the spring by a ...
October 16, 2012 by Megan

College physics
A 0.006 00-kg bullet traveling horizontally with a speed of 1.00 x 10^3 m/s enters an 20.1-kg door, imbedding itself 10.9 cm from the side opposite the hinges as in the figure below. The 1.00-m wide door is free to swing on its frictionless hinges. At what angular speed does ...
April 11, 2012 by johnny

Physics
A 10 g bullet is fired horizontally into a 1 kg block of wood hanging from a 1 m long string attached to the ceiling, getting stuck in the block. Due to the impact, the block then swings on the string to a maximum angle of 60 degrees with respect to the vertical. How fast was ...
March 18, 2013 by Urgent pls help

Physics
A 15-g bullet is fired horizontally into a 3.000-kg block of wood suspended by a long cord. The bullet sticks in the block. Compute the speed of the bullet if the impact causes the block to swing 10 cm above its initial level. Initial Velocity of bullet=19.1m/s
July 19, 2010 by Lony

A 20.0 g bullet is fired horizontally into a 85 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 156 N/m. The bullet becomes embedded in the block. The bullet block system compresses the spring by a ...
October 16, 2012 by Megan

Physics
A .22 rifle bullet, traveling at 373m/s, strikes a block of soft wood, which it penetrates to a depth of 0.125m. The block of wood is clamped in place and doesn't move. The mass of the bullet is 1.90. Assume a constant retarding force.How much time is required for the bullet ...
February 8, 2010 by Anonymous

Physics
a projectile is fired horizontally outward from the top of a table. the initial height of the bullet above the ground is 1.5 meters and the bullet travels a horizontal distance of 3.0 meters before striking the ground. Calculate the time bullet was in the air, B)muzzle(initial...
February 1, 2016 by Rosi

physics
A 0.005-kg bullet traveling horizontally with a speed of 1.00 103 m/s enters an 20.3-kg door, imbedding itself 10.6 cm from the side opposite the hinges as in the figure below. The 1.00-m-wide door is free to swing on its hinges. (c) At what angular speed does the door swing ...
October 26, 2010 by Amy

physics
A 11.0 g bullet is fired horizontally into a 108 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring of constant 151 N/m. The bullet becomes embedded in the block. If the bullet-block system compresses the spring by a maximum...

science
A bullet of mass 0.062 kg traveling horizontally at a speed of 150 m/s embeds itself in a block of mass 90 kg that is sitting at rest on a nearly frictionless surface What is the speed of the block after the bullet embeds itself in the block?
June 25, 2014 by sara

Physics
A 2.50g bullet, traveling at a speed of 425m/s, strikes the wooden block of a ballistic pendulum. The block has a mass of 270g (a) find the speed of the bullet/block combination immediately after the collision (b) how high does the combination rise above its initial position...
March 2, 2007 by CJ

Physics:Projectile Motion
A rifle is aimed horizontally at a target 50m away. The bullet hits the target 2.0cm below the aim point. A. What was the bullet's fight time? B. What was the bullet's speed as it left the barrel?
September 23, 2008 by Erinne

Physics Projectile Motion
A rifle is aimed horizontally at a target 50m away. The bullet hits the target 2.0cm below the aim point. A. What was the bullet's fight time? B. What was the bullet's speed as it left the barrel?
September 23, 2008 by Erinne

PHYSICS
A 5.30-g lead bullet traveling at 390 m/s is stopped by a large tree. If half the kinetic energy of the bullet is transformed into internal energy and remains with the bullet while the other half is transmitted to the tree, what is the increase in temperature of the bullet?

PHYSICS
A rifle is aimed horizontally at a target 31 m away. The bullet hits the target 1.3 cm below the aiming point. Neglect air resistance. (a) What is the bullet's time of flight? s (b) What is its muzzle velocity? m/s (in the bullet's initial horizontal direction)
February 12, 2013 by Rachel

pHysics !!
A 20-g bullet is fired horizontally into a 980 g block of wood suspended by a long cord. The bullet sticks in the block and causes the block to swing 15 cm above its initial level. a) What is the momentum of the bullet before it hit the block? b) Determine the velocity of the ...
September 1, 2013 by kent

physics
A 10-g bullet of unknown speed is shot horizontally into a 2-kg block of wood suspended from the ceiling by a cord. The bullet hits the block and becomes lodged in it. After the collision, the block and the bullet swing to a height 30cm above the original position. What was ...

p
A 16.0 g bullet is fired horizontally into a 87 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 168 N/m. The bullet becomes embedded in the block. The bullet block system compresses the spring by a ...
October 21, 2012 by Anonymous

physics
A 25 g bullet traveling at 280 m/s passes completely through a wooden block, initially at rest on a smooth table. The block has a mass of 1000 g. The bullet emerges traveling in the same direction, but at 50 m/s. What percentage of total kinetic energy is lost in the process?
November 15, 2011 by Rebecca

physics
A heavy wooden block rests on a flat table and a high-speed bullet is fired horizontally into the block, the bullet stopping in it. How far will the block slide before coming to a stop? The mass of the bullet is 10.5 g, the mass of the block is 10.5 kg the bullet’s impact ...
March 10, 2010 by Anonymous

physics
A heavy wooden block rests on a flat table and a high-speed bullet is fired horizontally into the block, the bullet stopping in it. How far will the block slide before coming to a stop? The mass of the bullet is 10.5 g, the mass of the block is 10.5 kg the bullet’s impact ...
March 10, 2010 by esther

physics
A 16.0 g bullet is fired horizontally into a 87 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 168 N/m. The bullet becomes embedded in the block. The bullet block system compresses the spring by a ...
October 21, 2012 by Anonymous

physics
A 16.0 g bullet is fired horizontally into a 87 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 168 N/m. The bullet becomes embedded in the block. The bullet block system compresses the spring by a ...
October 22, 2012 by Anonymous

physics
A 10.0-g bullet is fired horizontally into a 101-g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 155 N/m. The bullet becomes embedded in the block. If the bullet-block system compresses the spring ...
November 11, 2012 by lilly

Physics
A 11.0-g bullet is fired horizontally into a 101-g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 160 N/m. The bullet becomes embedded in the block. If the bullet-block system compresses the spring ...
November 11, 2012 by Kelly

A 20.0 g bullet is fired horizontally into a 85 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring having spring constant 156 N/m. The bullet becomes embedded in the block. The bullet block system compresses the spring by a ...
October 18, 2012 by Megan

science
a bullet of 10g strikes a sand bag at a. speed. of 100…6m/s and gets embedded after traveling 5 cm. calculate 1) the resistive force exerted by sand on the bullet 2) the time taken by the bullet to come to rest
June 14, 2016 by tanishq

Physics
A rifle bullet, traveling at "v1" strikes a large tree an penetrates to a depth of "d". the mass of the bullet is "m". assume the de-acceleration is constant as it penetrates the tree. a) the time required to stop. b) the de-acceleration of the bullet. c) the force the tree ...
September 27, 2015 by John

Physics
A 12.0 g bullet is fired horizontally into a 108 g wooden block that is initially at rest on a frictionless horizontal surface and connected to a spring of constant 144 N/m. The bullet becomes embedded in the block. If the bullet-block system compresses the spring by a maximum...
December 10, 2010 by Loucy

science
A cannon, mass 500kg, fires a bullet, mass 100kg, horizontally so that the velocity of the bullet is 100m.s^-1 to the right. calculate the recoil velocity of the bullet
January 17, 2016 by anonymous

physics
A 3.50 g bullet is fired horizontally at two blocks at rest on a frictionless table. The bullet passes through block 1 (mass 1.16 kg) and embeds itself in block 2 (mass 1.85 kg). The blocks end up with speeds v1 = 0.560 m/s and v2 = 1.36 m/s (Figure (2)). Neglecting the ...
May 9, 2012 by Kasie

physics
An 7.95 g bullet is fired horizontally into a 9.03 kg block of wood on an air table and is embedded in it. After the collision, the block and bullet slide along the frictionless surface together with a speed of 11.6 cm/s. What was the initial speed of the bullet?
March 20, 2010 by Jess

Physics
If a 5.40g bullet is fired horizontally into a suspended(hanging)10kg block of wood and causes the block, with bullet embedded, to move off with horizontal velocity of 0.30m/s, What is the impact velocity of the bullet?
April 15, 2010 by Kirsten

Physics
If a 5.40g bullet is fired horizontally into a suspended(hanging)10kg block of wood and causes the block, with bullet embedded, to move off with horizontal velocity of 0.30m/s, What is the impact velocity of the bullet?
April 17, 2010 by Anonymous

physics
a bullet is fired horizontally from the top of a cliff that is 30m above a long lake. if the horizontal speed of the bullet is 600 m/s, how far from the bottom of the cliff does the bullet strike the surface of the lake ? with what velocity will the bullet strike the lake's ...
September 13, 2014 by lea

physics
A rifle is aimed horizontally at a target 50 m away. The bullet hits the target 2.4 cm below the aim point. Part A What was the bullet's flight time? Neglect the air resistance Part B What was the bullet's speed as it left the barrel?
September 30, 2015 by raquel

physics
A bullet of mass 12 g is fired horizontally into a fixed wooden block with a speed of 20m/s. The bullet is brought to rest in the block in 0.1 seconds by a costant resistance. Calculate the (i) magnitude of the resistance (ii) distance moved by the bullet in the wood.
May 13, 2016 by somay

Physics
A 0.006-kg bullet traveling horizontally with a speed of 1.00 103 m/s enters an 21.1-kg door, imbedding itself 10.4 cm from the side opposite the hinges as in the figure below. The 1.00-m-wide door is free to swing on its hinges. (c) At what angular speed does the door swing ...
March 19, 2010 by Ana

Physics
A pistol is fired horizontally toward a target 120 m away but at the same height. The bullet's velocity is 200 m/s. How long does it take the bullet to get to the target? How far below the target does the bullet hit? please explain why you used the formula and how you got the ...
June 9, 2015 by Mark

physics
A rifle is fired horizontally and travels 200.0 m The rifle barrel is 1.90m from the ground. What speed must the bullet have been traveling at? Ignore friction. How do I solve this ?
November 30, 2010 by anonymous

science
a bullet of mass 20g traveling horizontally at 100m/s embedded itself in the center of block of wood mass 1kg which is suspended by a light vertical string of length
July 19, 2016 by Anonymous

projectile motion
a bullet is fired horizontally with an initial velocity of 600 m/s at a target located 300 m from the rifle. how much time is required for the bullet to reach the target? (B) using the approximate value of g=10 m/s squared how far does the bullet fall in this time?
September 21, 2012 by us

physics
A 1.6-kg block is attached to the end of a 2.0-m string to form a pendulum. The pendulum is released from rest when the string is horizontal. At the lowest point of its swing when it is moving horizontally, the block is hit by a 10-g bullet moving horizontally in the opposite ...
December 8, 2016 by gillian

PHYSICS HELP!!!!!
A 7.0 g bullet is fired horizontally into a 1.5 kg block of wood suspended by a thread. The bullet emerges from the block with a speed of 195 m/s, and the block rises to a maximum height of 12 cm. Find the initial speed of the bullet.
October 31, 2011 by Kayla L

physics
A 15.4g bullet traveling at 270 m/s is fired into a 0.488kg wooden block anchored to a 100 N/m spring. How far is the spring compressed? x_{compressed} = If the speed of the bullet is not known but it is observed that the spring is compressed 43.9 cm, what was the speed of ...
April 14, 2014 by george

physics lab
A bullet is shot into a block of plastic. The bullet penetrates the block 0.75 m. The mass of the bullet is 8 g. It is traveling with a speed of 410 m/s before it hits the block. A Use kinematic equations to find the magnitude of the acceleration on the bullet as it is ...
February 16, 2011 by Johnathon

Physics
A bullet of mass 25kg strikes horizontally an immovable block of wood with a velocity of 250m/s and penetrates it a distance of 1m. Calculate the resistance of the wood on the bullet , assuming the resistance to be uniform. How far would the bullet have penetrated , if its had...
August 8, 2013 by Salina

physics
In Figure (1), a 3.50 g bullet is fired horizontally at two blocks at rest on a frictionless table. The bullet passes through block 1 (mass 1.13 kg) and embeds itself in block 2 (mass 1.75 kg). The blocks end up with speeds v1 = 0.600 m/s and v2 = 1.32 m/s (see Figure (2)). ...
November 13, 2013 by kristy

Physics
A 10.0g bul let traveling horizontally at 365 m/s strikes and becomes embedded in a 2.25kg block of wood placed on a large table. What will be the speed of the bullet block combination immediately after impact ?
April 22, 2014 by Shon

math
Which set of decimal numbers is in the order least to greatest? A. .04,.004,.4,.043 B..004,.4,.043,.401 C..043,.401,.004,.04 D..004,.043,.4,.401
February 25, 2011 by allen

math
Which set of decimal numbers is in the order from least to greatest? A. .04,.004,.4,.043 B..004,.4,.043,.401 C..043,.401,.004,.04 D..004,.043,.4,.401
February 25, 2011 by allen

Physics Projectile Motion
A rifle is aimed horizontally at a target 50m away. The bullet hits the target 2.0cm below the aim point. A. What was the bullet's fight time? B. What was the bullet's speed as it left the barrel? But i do not have the time and the equation i think in the book is Tf=2visinO/g
September 23, 2008 by Erinne

Physics - Dynamics in two dimensions
A sharpshooter shoots the bullet horizontally over level ground with a velocity of 300m/s. At the instant that the bullet leaves the barrel, its empty shell casing falls vertically and strikes the ground with a vertical velocity of 5m/s. How far does the bullet travel?
December 4, 2010 by Farah

Physics
A heavy wooden block rests on a flat table and a high-speed bullet is fired horizontally into the block, the bullet stopping in it. How far will the block slide before coming to a stop? The mass of the bullet is 9.5 g, the mass of the block is 10.5 kg, the bullet's impact ...
November 6, 2013 by jonathan

physics
A bullet of mass 0.08kg is fired horizontally into a 10kg block which is free to move. If both bullet and block move with a velocity of 0.6m/s after the impact, find the velocity with which the bullet hits the body
February 7, 2016 by Sarah

Physics
A 5 gram bullet is fired horizontally and hits an 8 kg block of wood that is at rest and can move freely. The wood and the bullet move with a velocity of 0.05 m/s after the impact. What is the initial velocity of the bullet?
September 13, 2014 by Yuki

Physics- so confused!!
A bullet with a mass of 5.40 g is fired horizontally at two blocks resting on a smooth and frictionless table top as shown in the Figure. The bullet passes through the first 1.20 kg block, and embeds itself in a second 1.20 kg block. Speeds v1 = 3.90 m/s and v2 = 1.70 m/s, are...
March 23, 2013 by Julia

physics
A 16g bullet moving horizontally at 400 m/s penetrates a 3.2kg wood block resting on a horizontal surface.(Figure 1) Part A If the bullet slows down to 300 m/s after emerging from the block, what is the speed of the block immediately after the bullet emerges?
March 3, 2014 by bety

Projectile Motion A rifle is fired horizontally and travels 200m East. The rifle barrel is 1.90m from the ground. What speed must the bullet have been traveling at? Ignore Friction.
January 18, 2011 by Jarrid

physics
A pistol is fired horizontally and the bullet has a muzzle velocity (speed with which the bullet leaves the barrel) of 31.3 m/s. The gun is 50 m above the surrounding terrain. a) How far away does the bullet land measured horizontally from a point directly beneath the gun? You...
March 7, 2012 by Xin Zhang

physics
A bullet of mass 4.7 g is fired horizontally into a 2.4 kg wooden block at rest on a horizontal surface. The coefficient of kinetic friction between block and surface is 0.28. The bullet stops in the block, which slides straight ahead for 2.2 m (without rotation). (a) What is ...
November 8, 2011 by Mark

Mechanical engineering
A bullet of mass 50 grams is fired horizontally into a wooden block of mass 0.2kg. The wodden block is suspended from the ceiling by a long string as shown in the diagram. After impact the bullet is embedded in the block and bullet and the block swing together until the block ...
April 19, 2008 by ibroo

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

chemistry
A certain rifle bullet has a mass of 6.45 g. Calculate the de Broglie wavelength of the bullet traveling at 1817 miles per hour.
November 1, 2013 by brianna

Physics
A bullet with a mass of 0.01kg is fired horizontally into a block of wood hanging on a string. The bullet sticks in the wood and causes it to swing upward to a height of 0.1m If the mass of the wood block is 2kg, what is the initial speed of the bullet?
October 11, 2010 by Amanda

physics
bullet of mass 15 gm is shot horizontally into a 15 kg block of wood attached to a spring of spring constant 1000 N/m. The bullet remains inside the block after impact. The force of the impact compresses the spring 10 cm. What is the velocity of the bullet?
December 2, 2012 by Jd

physical science 101
A bullet is fired horizontally from a rifle at 300m/s from a cliff above a plain below. The bullter reaches the plain 6s later. (a) How high was the cliff? (b) How far from the cliff did the bullet reach the plain? (c) What was the bullet's speed when it reached the plain?
August 11, 2011 by Tally

PHYYYYYSICS 6
Three marksmen stand at the top of a building. Two of them fire identical bullets out of identical rifles. The bullets leave the rifles with the same initial speed. The last marksman forgot his rifle, so he drops his bullet off the edge of the building from the same height as ...
September 18, 2014 by Carissa

physics
A bullet with mass m = 5.21 g is moving horizontally with a speed v=367 m/s when it strikes a block of hardened steel with mass M = 14.8 kg(initially at rest). The bullet bounces o the block in a perfectly elastic collision. (a) What is the speed (m/s) of the block immediately...
December 15, 2011 by Sarah

Physics
A fighter, traveling at 474 m/s fires a bullet perpendicular to its flight path. The muzzle velocity of the bullet is 515 m/s. At what angle to its intended path does the bullet actually travel? Answer between âˆ’180â—¦ and +180â—¦. Answer in units of â—¦.
September 6, 2010 by laura

Physics
A bullet traveling at 200 m/s strikes a soft wood and penetrates 4.5 cm through it before coming to rest. Calculate the bullet's average retardation
November 21, 2016 by Kaniel

PHYSICS
A 6.00g bullet is fired horizontally into a 1.50kg wooden block resting on a horizontal surface. The coefficient of kinetic friction between block and surface is .30. the bullet remains embedded in the block, which is oserved to slide .25m along the surface before stopping. ...
May 10, 2016 by PETER

physics
A bullet with a mass 0.05kg is speeding toward a block of mass 10kg. the bullet is initially moving with a velocity of 200m/s while the block is initially at rest....The bullet collides with the block, sticking inside, and knocks the block horizontally of the edge of a cliff. ...
January 27, 2009 by maria

physics
A 25-kg bullet traveling shoots into a physics textbook that is 3.5 cm wide, and exits the textbook traveling 40 m/s. Poor defenseless textbook! (A) What was the magnitude of the average deceleration of the bullet while it was penetrating through the textbook? (B) What was the...
October 12, 2015 by Tiara

Physics
A 41g bullet is traveling at 499m/s when it strikes a block of wood. If the block of wood exerts a force of 50,000 N opposing the motion of the bullet, how far will the bullet penetrate the block of wood?
March 20, 2012 by Laurel

Physics
A 14g bullet is traveling at 306m/s when it strikes a block of wood. If the block of wood exerts a force of 50,000 N opposing the motion of the bullet, how far will the bullet penetrate the block of wood?
February 20, 2014 by HELP

physics
A bullet with mass 4.95 g is fired horizontally into a 1.994 kg block attached to a horizontal spring. The spring has a constant 5.58 10^2 N/m and reaches a maximum compression of 6.27 cm. (a) Find the initial speed of the bullet-block system. (b) Find the speed of the bullet.
March 4, 2014 by Anonymous

Physics
A bullet with mass 4.91 g is fired horizontally into a 1.981-kg block attached to a horizontal spring. The spring has a constant 6.25 102 N/m and reaches a maximum compression of 6.38 cm. a) find the initial speed of the bullet-block system. b) find the speed of the bullet
June 1, 2011 by kate

Physics
A bullet is fired horizontally from a height of 78.4m and hits the ground 2400 m away. With what velocity does the bullet leave the ground?
October 24, 2010 by Steve smith

Physics
23. A rifle is aimed horizontally toward the center of a target 71.4 m away. If the bullet strikes 10 cm below the center, what was the velocity of the bullet?
June 11, 2010 by anonymous

Physics
A lead bullet is traveling at 200 m/s strikes a tree and comes to stop. If half of the heat produced is retained by the bullet, by how much does the temperature increase?
October 19, 2014 by Iries Gonzales

Physics - URGENT
A small block of mass 5 kg initially rests on a track at the bottom of a circular, vertical loop-the-loop, which has a radius of 0.8 m. The surface contact between the block and the loop is frictionless. A bullet of mass 0.7 kg strikes the block horizontally with initial speed...
January 15, 2009 by Richard

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