A 0.45-kg soccer ball is moving to the right with a speed of 5.5 m/sec. Ken hits the ball with his head and sends it in the opposite direction. What is the speed of the ball just after the hit if the ball is in contact with the head for 17 msec and the average force on the ball is 660 N?

Q: A billiard ball of mass 0.28 kg hits a second, identical ball at a speed of 7.2 m/s and comes to…

A:

Q: A pitcher claims he can throw a 0.146-kg baseball with as much momentum as a 2.06-g bullet moving…

A:

Q: A ball of mass 3 kg is travelling to the right at 4m/s when it strikes a second ball of mass 10kg…

A: Mass of the first ball is m1 = 3 kg Initial speed of the first ball is u1 = 4 m/s Final speed of the…

Q: A car (m1 = 2000 kg) is traveling with a velocity = (20 î + 10 ĵ ) m/s. This car collides with a…

A:

Q: A puck with mass mA=2.42g moves eastward with speed vA=1.73m/s . It then collides with another  puck…

A: Given data: The mass of the pucks are, mA=2.42 gmB=1.25 g The initial velocities of pucks are,…

Q: A 58.5-kg astronaut is floating through space at a speed of 0.15 m/s while carrying a tool with mass…

A: Using momentum conservation  Initial momentum =Final momentum  (M+m)V=M×0+mv

Q: Jackson, whose mass is 30 kg, ran toward his skateboard at 3.0 m/s. He jumped and landed on the 2.5…

A: Since you have asked multiple questions, we will solve the first question for you. if you want any…

Q: A 75-kg fisherman in a 125-kg boat throws a package of mass m = 15 kg horizontally toward the right…

A: Apply conservation of momentum to boat fisherman-package system,

Q: A 15.0-gram wad of sticky, freshly-chewed bubble gum has been thrown towards the north with a speed…

A: Given that:- Given that: Mass of gum1=15gm moving with velocity 16m/s towards north  Mass of…

Q: A home-made 1.27 kg cannon is loaded with a 0.0540 kg tennis ball and placed on the floor at rest.…

A: Given: Mass of cannon,M = 1.27 kg  recoil  velocity of cannon, V = 7.8 m/s  mass of ball,m = 0.054…

Q: Two blocks of clay, one of mass 1.00 kgkg and one of mass 3.00 kgkg, undergo a completely inelastic…

A: Mass of block 1, m1 = 1.00 kg Mass of block 2, m2 = 3.00 kg The initial kinetic energy of block 1,…

Q: student fires a 0.07 kg arrow at an object with mass m that is initially at rest on a frictionless…

A: Given:mass of arrow, m1=0.07 kgmass , m2=6.1 kginitial velocity of mass 1, u1=90 m/sinitial velocity…

Q: A pitcher claims he can throw a 0.146-kg baseball with as much momentum as a 2.16-g bullet moving…

A:

Q: In assembling a train from several railroad cars, two of the cars, with masses 2.0 x 104 kg and 4.0…

A: The mass of the lighter car,   The mass of the heavier car,   The initial speed of the lighter…

Q: A car of mass 850 kg moves with a speed of 32 m/s and collides head on with a truck of mass 1300 kg…

A: in this question  we use conservation law of momentum.

Q: A block of mass m = 3.6 kg, moving on a frictionless surface with a speed vi=9.3m/s makes a sudden…

A:

Q: A pitcher claims he can throw a 0.141-kg baseball with as much momentum as a 2.96-g bullet moving…

A: pball=pbulletmballvball=mbulletvbullet       vball=mbulletvbulletmball             =2.96 g10-3…

Q: Two physics students are doing a side competition during a game of bowling, seeing who can toss a…

A:

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 pick up truck that is 5000 kg is moving at 5m/s East and it collided with a 20000 kg car moving at…

A: Given: m1=5000 kg u1=5 m/s m2=20000 u2=30 m/s θ=30

Q: While a giant man stands on the top of a building, an elephant slams into him at a speed of 360 m/s.…

A:

Q: A pitcher claims he can throw a 0.142-kg baseball with as much momentum as a 2.88-g bullet moving…

A:

Q: Godzilla is fighting Mothra in Tokyo (again). Godzilla climbs a tall building and, while 26.)…

A: We have a body of mass m1=2.8*103kg which is moving with a velocity u1=540 m/s which collides with…

Q: A billiard ball, labeled 1, moving horizontally strikes another billiard ball, labeled 2, at rest.…

A:

Q: An 87 kg wide receiver is running at 9.4 m/s and is hit by a 110 kg linebacker traveling in the…

A:

Q: Tyrrell throws his 0.20 kg football in the living room and knocks over his mother’s 0.80 kg antique…

A:

Q: What is the speed of a garbage truck that is 1.20×104 kg and is initially moving at 25.0 m/s just…

A:

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

A: We are going to apply conservation of momentum to solve the problem. Final answer is 289.4 in four…

Q: A 2500-kg car traveling at 20 m/s is chasing a second car of mass 3500 kg that is traveling at 7 m/s…

A:

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…

A:

Q: At the local radio controlled (RC) airfield, a 2.4 kg RC plane strikes a 1.2 kg aerial drone that is…

A:

Q: A 2 kg ball moving at 3 m/s collides with a 4 kg that is stationary. If the collision is perfectly…

A:

Q: A block of mass mm = 16 kgkg has a speed VV and is behind a block of mass MM = 65 kgkg that has a…

A: Using the conservation of momentum, m1v1i+m1v1i=m1+m2vf16 kgv1i+65 kg0.5 m.s-1=16 kg+65 kg0.9…

Q: A 91 kg man lying on a surface of negligible friction shoves a 68 g stone away from himself, giving…

A:

Q: A pitcher throws a 0.145 kg baseball with a speed of 38.0 m/s. The ball is hit straight back at the…

A: Given data :               Mass of the baseball, m = 0.145 kg               Initial speed of the…

Q: A pitcher claims he can throw a 0.143-kg baseball with as much momentum as a 3.34-g bullet moving…

A: The product of mass and velocity is defined as linear momentum. To solve the given question at first…

Q: Godzilla is fighting Mothra in Tokyo (again). Godzilla climbs a tall building and, while standing on…

A: Given that:- Mass of Godzilla=9.6×10^3 kg  Mass of Mithra=3.2×10^3 kg

Q: A billiard ball of mass 0.17 kg is traveling forward at 8.4 m/s when it makes a head-on…

A: Given:  m = 0.17 kg  u = 8.4 m/s  m' u' = 0  v = 5.6 m/s

Q: A pitcher throws a 0.145 kg baseball with a speed of 38.0 m/s. The ball is hit straight back at the…

A:

Q: A non-BYU Idaho student is having a snow ball fight. 'Accidentally' a snowball travelling north at…

A: Given: The speed of snowball is vs=10 m/s. The speed of bicyclist is vb=5 m/s. The mass of snow…

Q: While playing, Mina accidentally knocked over a steel pot from a height, and hits the floor at a…

A: Velocity of pot just before hitting ground, u= 7 m/sfinal velocity,v= 0 m/s [as pot stops after…