. A sniper fires a bullet from a 7.5 kg rifle. The rifle recoils toward the sniper at 0.36 m/s2 . The bullet accelerates through the  rifle’s barrel at 180 m/s2 . How many grams is the bullet’s mass?

Q: A stationary quarterback is tackled by a 89 kg linebacker travelling with an initial speed of 5.2…

A: Let the mass of the quarterback be m1 And the mass of the linebacker is (m2)= 89 kg Initial speed of…

Q: A golfer drives (hits) a golf ball off of a tee at a speed of 30 m/s. The mass of the golf ball is…

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Q: A 9.5-g bullet is fired into a stationary block of wood having mass m = 4.92 kg. The bullet imbeds…

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Q: A 300 g bird flying along at 6.00 m/s sees a 0.01 kg insect heading straight toward the bird with a…

A: Given, mass of bird=0.3 Kg speed of bird=6m/s mass of insect=0.01 kg speed of insect=30 m/s

Q: Fa M 2) Fa = 500 N and Hk = .310. The velocity of the block is 20 m/s. What is M? a) 25 kg b) 1519…

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Q: A 7.52 kg object and a 5.76 kg object collide with one another. It is known that just before the…

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Q: A football player kicks a 0.41-kg football initially at rest; and the ball flies through the air. If…

A: Given that,mass, m=0.41 kgtime, t=0.051 sinitial speed, vi=21msfinal speed vf= 0

Q: A 20.0 kg shell is moving East with a speed of 200. m/s when it explodes into three parts.  One…

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Q: CJ throws a 0.15 kg baseball at a net with an average force of 120 N over 0.05 seconds. a)    What…

A: Write the given values with suitable variables. m=0.15 kgF=120 Nt=0.05 s Here, m denotes the mass, F…

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 woman throws an object of mass 500 g with a speed of 25 m s1. (a) What is the impulse imparted…

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Q: 2. A frictionless air puck of mass 300 g is travelling at 3.2 m/s in the direction 0°. It collides…

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Q: A 9.6-g bullet is fired into a stationary block of wood having mass m = 5.02 kg. The bullet imbeds…

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Q: 4) A 72 kg hockey player skating due east at 7.8 m/s collides head-on with an 83 kg plaver skating…

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Q: 9.600-g bullet is fired into a stationary block of wood having mass m = 5.050 kg. The bullet imbeds…

A: Mass of bullet m1 = 9.600 g = 9.6×10-3 kg

Q: A 20 kg mass is moving at 40 mph when it collides with a 50 kg object moving in theopposite…

A: Momentum before collision = 20x 40 -50 x2 = 700 kg mph Momentum after collision = 20 x 30 + 50 x v…

Q: 1.      Two carts collide head-on and then ricochet off each other in opposite directions on a…

A: Given Data : The mass of the first cart is given as m1 = 0.350Kg. The mass of the second cart is…

Q: A 10 g block slides with a velocity of 20 cm/s on a smooth level surface and makes a collision with…

A: given data,  mass of the 1st block , m1 = 10 g  velocity of the 1st block , u1 = 20 cm/s  mass of…

Q: A 85.7 kg block is sliding along a frictionless surface with a speed of 10.5 m/s.  It collides…

A: 85.7 kg block is sliding along a frictionless surface with a speed of 10.5 m/s.  It collides…

Q: Hinata throws a 0.3-kg volleyball at the wall. With a velocity of 3.2 m/s, the volleyball hits the…

A: Given in question - Mass of the volleyball (m) = 0.3 Kg                                   Initial…

Q: A 80.0 kg archer, standing on frictionless ice, shoots a 90.0 g arrow at a speed of 50 m/s.

A: conservation of momentum, wherein the amount of recoil would be equal to that of the momentum of the…

Q: A 1.0 [kg] ball moving east collides head-on with a 2.0 [kg] ball that is also moving east with…

A:

Q: A 47 g tennis ball is served at 45 m/s. If the ball started from rest, what impulse was applied to…

A: Given data:  Mass (m) = 47 g = 0.047 kg Final velocity (Vf) = 45 m/s Initial velocity (Vi) = 0 m/s…

Q: Two rocks collide in outer space. Before the collision, one rock had mass 13 kg and velocity m/s.…

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Q: A 7.77 kg object and a 4.4 kg object collide with one another. It is known that just before the…

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Q: A 2.7 kg block of wood sits on a frictionless table. A 3.0 g bullet, fired horizontally at a speed…

A: It is given that,

Q: A 320-g air track cart traveling at 1.25 m/s suddenly collides elastically with a stationary 270-g…

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Q: A 0.0200-kg bullet is shot horizontally and collides with a 3.65-kg block of wood. The bullet embeds…

A: We can solve the above question using conservation of momentum and work-energy theorem.   Note:- as…

Q: D 2. A 250-g ball moving in the positive direction at 18 m/s strikes a wall and bounces off at 14…

A: Given Data: Mass of the ball is m = 250 g. Striking velocity of ball is v1 = 18 m/s. Bounce back…

Q: A 2-kilogram object traveling 10 m/s north has a perfect elastic collision with a 5-kilogram object…

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Q: A 1.2 kg ball drops vertically onto a floor, hitting with a speed of 25 m/s. It rebounds with an…

A:

Q: A 3.5 kg rifle fires an 11 g bullet with a velocity of 575 m/s. (a) What is the recoil velocity of…

A: Given data: Mass of the rifle, M=3.5 kg Mass of the bullet, m=11 g = 0.011 kg Velocity of bullet,…

Q: A 10.50-g bullet is fired into a stationary block of wood having mass m = 4.980 kg. The bullet…

A: When there is no external force involved then the total momentum of the system remains conserved.…

Q: An 100.0 kg astronaut in space is holding a 1.0 kg hammer. He throws the hammer with a velocity of…

A: Mass of the astronaut in space is given as, ma = 100 kg Mass of the hammer in space, mh = 1 kg…

Q: A 1.0 kg ball traveling at 4.0 m/s strikes a wall and bounces straight back at 2.0 m/s. a.) What is…

A: Given data: Mass of the ball, m =1.0 kg Initial velocity,vi=4.0 m/s Final velocity,vf=-2.0 m/s…

Q: 4. A 50.0 kg object is moving east at an unknown velocity when it collides with a 60.0 kg stationary…

A: In this question we have to find out the velocity of the object before collision.

Q: Block A has a mass of 3.0 kg and a velocity of 13.0 m/s, catching up a second block B that has a…

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Q: 4. what is the velocity of the 30 g block after the collision? с. 15 ст/s a. 20 cm/s b. 5 ст/s d.…

A: We have to find the velocity of the 30 g block after the Collison.

Q: A hockey puck with mass 0.150 kg is sitting at rest on frictionless ice when it is struck with å…

A: SOlution: given that m =0.15 kg v = 30.3 m/s t = 9.5x10-3 s

Q: A 5.0 g bullet is fired into a stationary block of wood (m = 7.5 kg). The relative motion of the…

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Q: A 10.1-g bullet is fired into a stationary block of wood having mass m = 4.90 kg. The bullet imbeds…

A: mass of bullet, m = 10.1 g  mass of block, M = 4.9 kg  velocity after collision, v = 0.597 m/s

Q: A catcher catches a 145 g baseball traveling horizontally at 36.0 m/s. A. How large an impulse does…

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Q: A falcon with a mass of 0.258 kg is flying along at a horizontal speed of 8.2 m/s and it sees a…

A: Using the conservation of momentum, pi=pfm1u1+m2u2=m1+m2vv=m1u1+m2u2m1+m2

Q: A 30.0-g bullet is fired into a stationary block of wood (m = 3.00 kg). The relative motion of the…

A: Given data: Mass of bullet is, m=30.0 g=30.01000=0.03 kg. Mass of wooden block is, M=3.00 kg.…

Q: A 0.83 kg ball drops vertically onto a floor, hitting with a speed of 20 m/s. It rebounds with an…

A: (a) Write the expression for the impulse on the ball during the contact.

Q: 13) A 14.2 kg sheep dog is running to the right at 1.78 m/s. A 10.7 kg collie is running to the left…

A: Mass of sheep dog, m1 = 14.2 kg Mass of collie, m2 = 10.7 kg  Initial velocity of sheep dog, u1 =…

Q: A 2.8 kg block of wood sits on a frictionless table. A 3.0 g bullet, fired horizontally at a speed…

A: Given   ms of wooden block = 2.8 kg mass of bullet = 3.0 g speed of bullet before collision = 510…

Q: A 240 g firecracker is launched vertically into the air and explodes into two pieces at the peak of…

A: