During a circus act, a performer thrills the crowd by catching a cannon ball shot at him. The cannon ball has a mass of m1 = 8.5 kg and the horizontal component of its velocity is v = 8.25 m/s when the performer, of mass m2 = 70.5 kg, catches it. a)If the performer is on nearly frictionless roller skates, enter an expression for his recoil speed, in terms of the masses and initial speed.  v' =

Q: A 0.400 kg hammer is moving horizontally at 4.50 m/s when it strikes a nail and comes to rest after…

A: Time =4.44 ×10-3 s Force = 405.4 N

Q: A 3.0 x 103 kg truck traveling at 20.0 m/s in a test laboratory collides into a wall and comes to…

A: Data Given ,  Mass ( m ) = 3 × 103 kg Initial speed ( u ) = 20 m/s  Final speed ( v ) = 0  Time…

Q: A 45.0-kg girl is standing on a 166-kg plank. The plank, originally at rest, is free to slide on a…

A: (a) Using conservation of momentum, mv1+m+Mv2=0v2=-mv1m+M Velocity of the girl relative to the…

Q: A small block of mass m, = 0.855 kg is released from rest at the top of a curved wedge of mass m, =…

A: Answer            (a) V2  = 0.3886 m/s             (b) h = 0.8956 m Solution

Q: hockey player of mass m1 = 89 kg hits a puck of mass m2 = 0.16 kg, giving the puck a speed of v =…

A:

Q: Two objects of masses m, 0.54 kg and ma. (Let the positive direction be to the right. Indicate the…

A: “Since you have posted multiple questions, we will provide the solutiononly to the first question as…

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A: (a) The magnitude of linear impulse experienced by the passenger during the car's acceleration is…

Q: A car is stopped for a traffic signal. When the light turns green, the car accelerates, increasing…

A: Given: mass of passenger, m= 72 kg Initial speed= 0 m/s Final speed= 5.6 m/s Time= 0.818 s

Q: A rifle with a weight of 25 N fires a 4.5-g bullet with a speed of 240 m/s. (a) Find the recoil…

A: Given that,  Weight of the rifle, W(rifle)=25 N Mass of the bullet, m(bullet)=4.5 g=4.5×10-3…

Q: A 45.0-kg girl is standing on a 167-kg plank. The plank, originally at rest, is free to slide on a…

A: Given : Mass of a girl (m) = 45 kg Mass of a plank (M) = 167 kg Velocity of girl relative to plank…

Q: A baseball pitcher with a mass of 80 kg is initially standing at rest on extremely slippery…

A:

Q: A rifle with a weight of 25 N fires a 4.0 g bullet with a speed of 290 m/s. (a) Find the recoil…

A: Given Rifle mass mr             = 25 N Bullet mass mb          = 4.0 g = 0.004 kg Bullet velocity vb…

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:

Q: A railroad tank car rolls on a track at 3.40 m/s toward two identical coupled tank cars, which are…

A: The objective of the question is to find the speed of the three coupled cars after the collision and…

Q: A 390 kg cannon sits on a frozen lake. It fires a 5.5 kg cannonball horizontally with a speed of 305…

A:

Q: A 45.0-kg girl is standing on a 139-kg plank. The plank, originally at rest, is free to slide on a…

A:

Q: A 45.0-kg girl is standing on a 167-kg plank. The plank, originally at rest, is free to slide on a…

A: Given: Mass of the Girl, Mg = 45.0 kg Mass of the plank, Mp = 167 kg Constant velocity, Vo = 1.30…

Q: Consider a 0.7 kg object that, during a collision, experiences a net force along the x-axis that is…

A: Write the expression for the momentum of an object along the x-axis.

Q: A bullet of mass 5.00 g is fired horizontally into a wooden block of mass 1.24 kg resting on a…

A:

Q: A rifle with a weight of 25 N fires a 5.1-g bullet with a speed of 200 m/s. (a) Find the recoil…

A: Given: Weight of rifle = 25 N Mass of bullet  = 5.1 g Velocity of bullet = 200m/s We have to Find…

Q: A 57.0 kg archer, standing on frictionless ice, shoots a 130.0 g arrow at a speed of 108.0 m/s. What…

A:

Q: A car is stopped for a traffic signal. When the light turns green, the car accelerates, increasing…

A:

Q: A submarine with a mass of 5734526 kg contains a torpedo with a mass of 333 kg. The submarine fires…

A: In given question, system of torpedo and submarine were at rest. No force is acting on the system,…

Q: A 88.0 kg ice hockey player hits a 0.150 kg puck, giving the puck a velocity of 46.0 m/s. If both…

A: Given: Mass of hockey player, mhp=88.0 kg Mass of puck, mpu=0.150 kg Initial velocity of hockey…

Q: Sigh Has a shape of à right triangle whose dimensions are shown in figure. Determine the y…

A: According to our guidelines , we have to answer only one question if there are more than one…

Q: Starting at rest, two skaters push off against each other on smooth level ice, where friction is…

A: Law of momentum conservationm1v1 + m2v2 = 0m1 = mass of manm2 = mass of womenV1 = velocity of manV2…

Q: During an ice skating performance, an initially motionless 79.5-kg clown throws a fake barbell away…

A: Given information: The mass of the clown (M) = 79.5 kg The recoil speed of the clown (V) = 0.51 m/s…

Q: A 45.0-kg girl is standing on a 135-kg plank. The plank, originally at rest, is free to slide on a…

A: As there is no external force on the system, the total momentum of the system is conserved.   The…

Q: Alyssa works at the Naval Civil War Museum in downtown Columbus, helping to perform historical…

A:

Q: A cannon is mounted on a railway flatcar, the muzzle elevated to 33.2° and pointed in the direction…

A: Given Data: The initial velocity of a car is, v1=0 m/s The angle of projection is, θ=33.2° The mass…

Q: Sphere m1 with a mass of 1.0 kg collides with m2, which also has a mass of 1.0 kg, in an elastic…

A: As the collision between the two masses is elastic, both momentum and energy of the system will be…

Q: A 0.550 kg hammer is moving horizontally at 8.00 m/s when it strikes a nail and comes to rest after…

A: Given : mass of hammer, m = 0.550 kg  velocity of hammer, v = 8 m/s displacement till it comes to…

Q: A rifle with a weight of 25 N fires a 4.5 g bullet with a speed of 300 m/s. (a) Find the recoil…

A: Total momentum of system remains constant. pi=pfbut,pi=0pf=mbvb+mrvr…