A Maxim machine gun fires 431 bullets per minute. Each bullet has a mass of 12g and a velocity of 686m/s.What is the average force that the impact of these bullets exerts on a target?

Q: The drawing shows a top view of a frictionless horizontal surface, where there are two springs with…

A: Spring constant of the spring =k= 250 N/m

Q: A 0.140 kg baseball is thrown with a velocity of 26.9 m/s. It is struck with an average force of…

A: F∆t=mvf--vi∆t=mvf--viF

Q: In a crash test, a car with a mass of 1200 kg hits the wall as shown. the car's initial and final…

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Q: Two people want to do a physics experiment at the bowling alley. They set up sensors to measure…

A: m1 = 5 kg v1 = 7 m/s v1f = - 7.74 m/s m2 = ?v2 = -3 m/s v2f = 2.26 m/s

Q: A ball of mass 0.250 kg that is moving with a speed of 5.3 m/s collides head-on and elastically with…

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Q: One morning in Monterrey after a winter frost, a 1,400 kg car traveling west on Calle Hidalgo at 9.7…

A: Given : Mass of the car, m = 1400 kg speed of car, v = 9.7 m/s Mass of truck, M = 2800 kg Speed of…

Q: A tennis ball with a mass of 60 grams is moving at 20 m/s. It is struck so that it returns back…

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Q: An office worker smacks a table, bringing his hand to rest in 0.0025 seconds from an initial speed…

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Q: LA 3 kg steel ballI falls down vertically and strikes a floor with a speed of 12 m/s. It bounces off…

A: Given data:  Mass (m) = 3 kg Initial velocity (Vi) = -12 m/s Final velocity (Vf) = +12 m/s Time…

Q: Force Exerted on an Object vs. Time 8 6 2 1 4 6. 7 8 Time (s) Which of the following statements…

A: Slope = Force/Time = Momentum The slope of the line could be the object's change in momentum (or…

Q: A 5 kg dog sits in a stationary, 27 kg sled on a frictionless, icy lake. The dog jumps out of the…

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Q: mbol/notation of the unit. 9 kg block of wood resting on a platform was hit by a 0.008 kg of bullet…

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Q: A 829 g rubber ball was vertically pushed downward at 1.03 m/s from a height of 80.3 cm above a…

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Q: During a collision with a wall, the velocity of a 0.200-kg ball changes from 20.0 m/s toward the…

A: Mass, m = 0.2 kg Initial velocity, u = 20 m/s Final velocity, v = -12 m/s Time, t = 60 ms = 0.06 s

Q: A 0.544-kg ball, initially moving with a speed of 2.54 m/s, bounces off a wall and then moves with a…

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Q: A 748 g rubber ball was vertically pushed downward at 1.21 m/s from a height of 78.2 cm above a…

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Q: A 975 kg car going 24.6 m/s to the east collides with a 1630 kg truck going 5.26 m’s to the west and…

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Q: A stationary object in space explodes into three parts of unequal mass. Which of the following…

A: Given Initial velocity of object = 0 m/s Explodes into three unequal parts We have to choose the…

Q: If two rail cars crash together and hook up with each other, what will be the final velocity of the…

A: Given Car 1mass m1=52000 kgInitial velocity u1=0.15 mphCar 2mass m2=72000 kgInitial velocity…

Q: 25. A 0.25 kg arrow with a velocity of 12 m/s to the east strikes a target and pierces the…

A: Using the conservation of momentum we will solve the given question.

Q: package of mass m = 15 kghorizontally toward the right with a speed of vi = 4.2 m/s as in the figure…

A: Given: The mass of the fisherman m1=76 kg The mass of the boat m2=112 kg The mass of the package…

Q: A 7990 kg space probe, moving nose-first toward Jupiter at 97.4 m/s relative to the Sun, fires its…

A: Given, Mass of space probe, M =   Velocity of space probe, Mass of ejected gas, m =   Velocity of…

Q: A 0.25 kg arrow with a velocity of 12 m/s to the east strikes a target and pierces the bull's-eye of…

A: Given  Mass of arrow  mA = 0.25 kg Initial velocity of arrow  vA = 12 m/s Mass of bulls bul target…

Q: Interactive LearningWare 7.1 reviews the approach that is necessary for solving problems such as…

A: NOTE: As per guidelines, I can solve the first question. If you need help with other question,…

Q: During a collision with a wall, the velocity of a 0.200-kg ball changes from 20.0 m/s toward the…

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Q: A soft ball (m = 0.14 kg) moving horizontally to the right hits a wall with a speed of 16.2 m/s.…

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Q: An arrow of mass 40 g is shot horizontally into a bale of hay, striking the hay with a velocity of…

A: Force is given by the product of mass and acceleration. However, in this case as we are calculating…

Q: Momentum is a vector quantity.Conversely the linear momentum can be change only by a net of external…

A: Solution:

Q: A machine gun, of mass 35.0 kg, fires 50.0-gram bullets, with a muzzle velocity of 750 m/s, at the…

A: Given: The mass of the bullet is 50.0 g. The number of bullets per minute is 300. The muzzle…

Q: A snowball is thrown with a speed of 49.5 km/h, giving it momentum with a magnitude of 2.90 Ns. The…

A: The speed of the snowball is given by  v = 49.5 km/h = 13.75 m/s The momentum p = 2.9 Ns = 2.9 kgm/s…

Q: C7 5.) Which of the following statements is true about any collision between two objects with no net…

A: According to Newton's 2nd law of motion Force is rate of change of momentum Force=F=dP/dt

Q: a 1040 kg car and 3360 kg truck collide perfectly inelastically. before the collision, the car…

A: From the conservation of momentum along the x-axis, determine the x-component of their final speed…

Q: In a game of billiards, the cue ball is traveling eastward when it strikes a second ball that is…

A: Apply principle of conservation of momentum along horizontal and vertical direction Along horizontal…

Q: A baseball of a mass 0.16 kg is moving 25 m/s when it is hit directly back to the pitcher at a speed…

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Q: A ball is launched with an initial velocity of 20 m/s at an angle of 30 degrees above the…

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Q: A 0.543-kg ball, initially moving with a speed of 2.67 m/s, bounces off a wall and then moves with a…

A:

Q: A rifle of 9 kg lying on a smooth table discharges accidentally and fires a bullet of mass 12g with…

A: Mass of rifle , M = 9 kg Mass of bullet , m = 12 gm = 12 x 10-3 kg muzzle speed , v = 622 m/s To…

Q: A 0.508 kg ball, initially moving with a speed of 3.3 m/s bounces off a wall and then moves with a…

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Q: A 0.0052kg bullet moving at 672m/s strikes a 0.7kg wooden block at rest on a frictionless surface.…

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Q: 1. identify the system  2. draw a quick sketch of the initial state of the object(s) 3. do a…

A: The object under observation will be the system. The ball is the system in this case. Analyze the…

Q: In the figure here, a stationary block explodes into two pieces L and R that slide across a…

A: Given that:Mass of L, mL=3.3 kgCoefficient of kinetic friction, μL=0.52Distance, dL=0.32 mLet the…

Q: Suppose a clay model of a koala bear has a mass of 0.240 kg and slides on ice at a speed of 0.745…

A: Given: mass of koala bear, m1 = 0.240 kg initial velocity of koala bear, u1 = 0.745 m/s mass of…

Q: A speeding train (with mass 444,000 kg) is moving east with speed 88.9 m/s. Superman (with mass 90.7…

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Q: A 105-kg rugby player is initially running at 7.5 m/s in the positive direction, but collides…

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Q: A 7 kg steel ball strikes a wall with a speed of 8.13 m/s at an angle of 48.2 ◦ with the normal to…

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Q: 3.12-kg steel ball strikes a massive wall at 10.0 m/s at an angle of  ? = 60.0°  with the plane of…

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Q: A 1.2-kg rubber ball of speed 8.0 m/s hits a floor and bounds back at speed of 6.0 m/s. Suppose the…

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