# 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

### 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

### Physics

An observer stands 25 m behind a marksman practicing at a rifle range. The marksman fires the rifle horizontally, the speed of the bullets is 840 m/s, and the air temperature is 20 °C. How far does each bullet travel before the observer hears the report of the rifle? Assume ...

### PHYSICS

a marksman fires a bullet(mB=5.00g) horizontally with a velocity of 300.m/s from a rifle(mR=3.00kg)What is the recoil velocity of the rifle?

### 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 ...

### physics

A 32 kg gun is standing on a frictionless surface. The gun fires a 55.1 g bullet with a muzzle velocity of 320 m/s. The positive direction is that of the bullet. Calculate the momentum of the bullet immediately after the gun was fired. Answer in units of kg · m/s.

### physics

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### Kaah

A gun of mass 8kg fires a bullet with a mass 25g at velocity of 320 metre per second what is th recoil velocity of the gun?

### 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?

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A gun fires a bullet. When will the muzzle velocity of the bullet be equal to the recoil speed of the gun?

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A Gun of Mass 3.5kg fires a bullet at 320m/s. If the gun recoils with a speed of 24m/s, calculate the mass of the bullet.

### science

A bullet of 29g is shot from a gun of mass 20kg with a muzzle velocity of 200ms if the bullet is 30cm long.determine. a)acceleration of the bullet b)the recoil velocity of the gun

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### physics

A bullet has a mass of 5g leave a gun at a velocity of 100m/s. What is the kinetic energy of the bullet as it leave the gun? If the gun is fired vertically upwards, how high will the bullet go? (Ignore air resistance and assume g=10m/s2).

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a gun fires Aa bullet of mass 50g the bullet moving with a velocity of 100m/s strikes a sandbag get embedded after travelling 10cm calculate the resistance force exerted by the sand bag on the bulle

### AP 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 0.013 kg, and its velocity is +725 m/s. Her mass (including the ...

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A bullet of mass 0.45kg is fired from a gun of mass 9kg.the bullet moving with an initial velocity of 200m/s.find the intial backward velocity of the gun

### 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 ...

### 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 ...

### 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 ...

### 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. ...

### 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 ...

### 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 ...

### 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 ...

### 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 ...

### 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 ...

### 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 0.011 kg, and its velocity is +731 m/s. Her mass (including the ...

### 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 ...

### 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

### physics

A bullet of mass 0.45kg is fired from a gun of mass 9kg,the bullet moving with an initial velocity of 200meter per sec. Find the initial backward velocity of the gun.

### physics

A bullet of mass 0.45kg is fired from a gun of mass 9kg,the bullet moving with an initial velocity of 200meter per sec. Find the initial backward velocity of the gun.

### physics

A rifle with a mass of 2.0kg is used to fire a bullet with a mass of 50.g. The bullet leaves the gun with a speed of 200. m/s. What is the recoil velocity of the gun?

### physics

a gun fires a 3g bullet with a speed of 400m/s. the gun barrel is 20cm long. how much energy is given to the bullet?

### 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 ...

### physics

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### 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.

### 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 ...

### 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 ...

### Physics

A gun of mass 20 kg fires a bulllet of mass 50 g with a velocity of 200 ms. Calculate the velocity of the recoil of the gun

### physics

A pistol of mass 2 kg fires a bullet of mass 50 g. The bullet strikes a stationary block of mass 1 2 kg. If the block, with the bullet embedded in it, moves with a velocity of 4 m/s, the recoil velocity of the pistol will be (Ignore friction and air resistance)

### 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 ...

### 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

### physics

a bullet of mass 10 gram is fired from a gun of mass 5 kg. If the gun recoils at the speed of 60m/s calculate the initial speed of the bullet.The bullet stops after penetrating 50 cm into a target. Find the opposing force to the motion of the bullet

### 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?

### 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?

### science

A bullet of mass 50g is fired from a gun of mass 6kg with a velocity of 400m/s. calculate the recoil velocity of the gun?

### science

A bullet of mass 50g is fired from a gun of mass 6kg with a velocity of 400m/s. calculate the recoil velocity of the gun?

### Science

A pistol of mass 2 kg fires a bullet of mass 50g. The bullet strikes a stationary block of mass ½ kg. if the block, with the bullet in it, moves with a velocity of 4 m/s the recoil velocity of the pistol will be?

### 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 ...

### 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 ...

### physics

A 270 caliber hunting rifle fires an 8.5 g bullet, which exits the gun barrel at a speed of 980 m/s. What impulse does the burning gunpowder impart to the bullet? If it takes 2 ms for the bullet to travel the length of the barrel, what is the average force on the bullet?

### physics

A hunter fires 50 g bullets from a machine gun. If each bullet moves with a velocity of 150ms−1 how many such bullets are to be fired into a tiger of mass 60 kg coming towards him with a velocity of 10ms−1 in order to stop the tiger?

### Physics-Intro

A bullet with mass 60.0 g is fired with an initial velocity of 575 m/s from a gun with mass 4.50 kg. What is the speed of the recoil of the gun?

### Physics

A bullet with mass 0.40 kg is fired with an initial velocity of 400 m/s from a gun with mass 5.0 kg. The speed of the recoil of the gun is?

### physics

A bullet with mass 0.40 kg is fired with an initial velocity of 400 m/s from a gun with mass 5.0 kg. The speed of the recoil of the gun is

### 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?

### 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

### Physics

In a friendly neighborhood squirt gun contest a participant runs at 7.8 m/s horizontally off the back deck and fires her squirt gun in the plane of her motion but 45' above horizontal. The gun can shoot water at 11 m/s relative to the barrel, and she fires the gun O.42 s after...

### physics

I keep on getting the second part wrong. Can you please tell me where I messed up? Thank you. 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. ...

### emu

a bullet of mass ..21kg is fired from a gun of a mass 5.6kg. if gun is recoiled at a speed of 2.5 m/s .What speed must the bullet have as it leaves the gun

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

### Eligugu high school physical science

A cannon with a mass of 10 tons fires a bullet horizontally with a mass of 50kg. The velocity of the bullet when it leaves the barrel of the cannon is 800 m / s. calculate the recoil velocity of the cannon.

### Physics

A gun of mass 0.1kg has a bullet of mass 0.1kg,the bullet laves the piston when fired at a velocity of 200m/s. Find the final velocity. (a) 20m/s (b) 23m/s (c) 30m/s (d) 45m/s (e) 15 m/s Please kindly help me with the questions I posted. Thank you

### physics

You are hired as ballistics expert and need to measure the muzzle speed of the bullet (with a mass, m = 20 g) for the gun. You fire a ballistic gun horizontally into a 2-kg ballistic pendulum (M = 2 kg) hanging at rest on a massless rod. After the bullet hits it and becomes ...

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a bullet is fired vertically upward from a gun at a velocity of 150m/s.taking g to be 10m/s calculate the gretest heigt reached and at what time and the time the bullet will enter the gun and at what velocity

### Physics

A military gun is mounted on a railroad car (m = 1500 kg). 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 30 kg with a velocity of 300 m/s at an angle of 40° with respect to the horizontal...

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A 15 g bullet is fired from a gun of mass 2kg with a speed of look m/s . Find the recoil velocity of the gun.

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a 30 gm bullet is fired from a gun of mass 2kg with a speed of 800m/s. Find the magnitude and direction of the velocity of gun

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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...

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A rifle with a mass of 1.2 kg fires a bullet with a mass of 6.0 (0.006kg). The bullet moves with a muzzle velocity of 600 m/s after the rifle is fired. a. What is the momentum of the bullet after the rifle is fired? b. If external forces acting on the rifle can be ignored, ...

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### physics

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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..?

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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

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A hunter holds a 3kg rifle and fires a bullet of mass 5g with a muzzle velocity of 300m/s. What is the final kinetic energy of the bullet and the riffle?

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A bullet with mass 0.40 kg is fired with an initial velocity of 400 m/s from a gun with mass 5.0 kg. The speed of the reoil of the gun is? Do I have to 0.40 and 5.0 an then divide that by 400?

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Consider a gun fired from a tower 96ft above the ground. The angle of elevation of the gun is 60 degrees, and its muzzle velocity is 1600 ft/sec (also gravity in this equation is 32 ft/sec^2). a)When does the bullet hit the ground? b)Write a parametric equation that models the...

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A gun fires 300 bullets per minute horizontally with a velocity of 500ms-1 . Each bullets mass us 3*10^-3 kg. what is the force needed to hold the gun in position????

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A 30-caliber rifle with a mass of 3.54 kg fires a 7.33- g bullet with a speed of 596 m/s with respect to the ground. What kinetic energy is released by the explosion of the gunpowder that fires the bullet? (Note there is a tolerance 0.1 percent for the answer)

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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...

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A bullet with a mass of 5.00* 10^ -3 kg is loaded into a gun. The loaded gun has a mass of .52 kg. The bullet is fired, causing the empty gun to recoil at a speed of 2.1 m/s. What is the speed of the bullet? ok i worked it out and get 218.4 but that answer does not appear in ...

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A 75.0g bullet is fired at a muzzle velocity of 476 m/s from a gun with a mass of 4.75kg and a barrel length of 60.0cm. a. How long is the bullet in the barrel? b. What is the force of the bullet while it is in the barrel? c. Find the impulse given to the bullet while it is in...

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A bullet of mass 20gm penetrates a board of thickness 10cm and mass 1kg at rest. If the board is free to move,find the thickness to which the bullet will penetrate. I used conservation of momentum to find the combined velocity of bullet and the board in terms of the initial ...

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Gun sights are adjusted to aim high to compensate for the effect of gravity, effectively making the gun accurate only for a specific range. (a) If a gun is sighted to hit targets that are at the same height as the gun and 100.0 m away, how low will the bullet hit if aimed ...

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a gun converts 200J of stored energy into kinetic energy of the 0.02kg bullet. What is the speed of the bullet as it leaves the gun? If the gun is fired straight up, how high will the bullet go?

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