. 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 70.0 kg ice hockey goalie, originally at rest, catches a 0.150 kg hockey puck slapped at him at a…

A: the final velocity in elastic collision is

Q: On a very muddy football field, a 110 kg linebacker tackles an 85 kg halfback. Immediately before…

A: M = 110 kg  m = 85 kg  U = 8.8 m/s north  u = 7.2 m/s east

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

A:

Q: Car 1, whose mass is 1200 kg, travels east at 30.0 m/s and collides with car 2, whose mass is 1600…

A: Approach to solving the question:Please see attached photos for detailed solutions. Thank…

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

A:

Q: Two 490 g blocks of wood are 2.0 m apart on a frictionless table. A 12 g bullet is fired at 390 m/s…

A:

Q: A century-old platter falls vertically downward. Upon breaking, its fragments fly off parallel to…

A:

Q: 1. Two large balls roll over a smooth surface and collide. They are made of a super hard material so…

A:

Q: 3. A 55 kg skater at rest on a frictionless rink throws a 3 kg ball, giving the ball a velocity of 8…

A: Given data The mass of the skater is m1=55 kg The initial speed of the skater is u1=0 m/s The mass…

Q: 60.A family is skating. The father (75 kg) skates at 8.2 m/s and collides and sticks to the mother…

A: The equation for the conservation of linear momentum in the horizontal direction,

Q: Two 490 g blocks of wood are 2.0 m apart on a frictionless table. A 9.0 g bullet is fired at 430 m/s…

A:

Q: wo balls roll directly toward each other. The 0.25-kg ball has a speed of 1.7 m/s; the 0.18-kg ball…

A: Mass of one ball = M = 0.25 kg Mass of second ball = m = 0.18 kg Speed of M = v = 1.7 m/s Speed of m…

Q: A hungry 5.37 kg fish swimming at 1.86 m/s swallows a 0.96 kg fish that was swimming towards it at…

A:

Q: A young 45 kg45 kg ice hockey goalie, originally at rest, deflects a 0.14 kg0.14 kg hockey puck…

A: The objective of this question is to find the final velocity of the goalie after an elastic…

Q: A 80-kg archer stands at rest on frictionless ice and shoots a 36-g arrow. The arrow's speed is 75…

A: Given : Mass of archer (m1) = 80 kg Mass of arrow (m2) = 36 g = 0.036 kg Speed of arrow (v2f) = 75…

Q: A soccer ball of 4.40925 (2 kilosg) pounds moves to the right a speed of 0.5 m/s.  Hits a 0.1102311…

A:

Q: A hungry 6.61 kg fish swimming at 2.37 m/s swallows a 0.69 kg fish that was swimming towards it at…

A: Given data:  Mass of hungry fish (m1) = 6.61 kg Initial speed of hungry fish = 2.37 m/s Mass of…

Q: A 9.7-g bullet is fired into a stationary block of wood having mass m = 5.10 kg. The bullet imbeds…

A: According to conservation of momentum momentum before collision=momentum after collision Momentum=mV

Q: A 35.0-g bullet strikes a 5.0-kg stationary wooden block and embeds itself in the block. The block…

A:

Q: Two grocery carts collide, a full one with a mass of 35kg moving East at 2m/s and an empty one with…

A: Given: Mass of full cart (M1) is 35 kg. Mass of empty cart (M2) is 10 kg. Initial velocity of full…

Q: A 4.00-kg mass and a 9.00-kg mass are being held at rest against a compressed spring on a…

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Q: A 35.0 g bullet strikes a 5.0 kg stationary wooden block and embeds itself in the block. The bullet…

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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 0.450-kgkg ice puck, moving east with a speed of 5.80 m/sm/s , has a head-on collision with a…

A: Given: The mass of first puck is m1=0.450 kg. The initial speed of first puck is u1=5.80 m/s. The…

Q: A hungry 3.74 kg fish swimming at 2.47 m/s swallows a 1.18 kg fish that was swimming towards it at…

A:

Q: A 1.5-kg cannon is mounted on top of a 2.0-kg cart and loaded with a 52.7-gram ball. The cannon,…

A: According to the momentum conservation principle, the total momentum of the system must be…

Q: an archer shoots an arrow toward a 0.3 Kg target that is sliding in her direction at a speed of 2.50…

A:

Q: 32. A car (mass = 1100 kg) is traveling at 32 m/s when it collides head- on with a sport utility…

A: Conservation of linear momentum will be used.   Momentum of first car = 1100×32=35200 kgms-1 Say…