A 100-kg catapult at rest holds a 10-kg watermelon. When shot from the catapult, the watermelon leaves the catapult with a speed of 90 m/s. What is the recoil speed of the catapult?

Q: Identical twins, each with mass 49.0 kg, are on ice skates and at rest on a frozen lake, which may…

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Q: A 1200 kg cannon mounted on wheels shoots a 12 kg projectile with a muzzle speed of 740 m/s at an…

A: Introduction: Projectile motion is the special kinds of the motion in 2 dimension. During projectile…

Q: The recoil of a shotgun can be significant. Suppose a 3.3-kg shotgun is held tightly by an arm and…

A: Given mass of the shotgun is m1=3.3kgThe mass of the arm and shoulder is m2=15kgSo, the combined…

Q: A 1000 kg object is located 27 m away from another object of mass 3000 kg. Both objects begin at…

A: We know that: m1=1000 kg m2=3000 kg d=27 m The applied force on the first object is F1=5000 N t=5 s…

Q: A cue ball (m = 160 g) travelling due east at 14.5 strikes the 9 ball (m = 170 g) which is at rest.…

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Q: An overnight rainstorm has caused a major roadblock. Three massive rocks of mass m1 = 528 kg, m2 =…

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Q: A 88 kg archer is standing on level ice (neglect friction) fires a 101.7 g arrow to the right at 99…

A: Given data: Mass of the archer is, m1= 88 kg Mass of the arrow is, m2= 101.7 g= 0.1017 kg Velocity…

Q: A frog is sitting on a lily pad when it sees a delicious fly. He darts out his tongue at a speed of…

A: Given in question -  Speed of tongue (vt) = 3.40 m/s                                   Mass of…

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

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Q: VOTHER A man holding a rock sits on a sled that is sliding across a frozen lake (negligible…

A: Given : vi = 0.530 m/s M = 93 kg m = 0.32 kg v2 = 16.5 m/s

Q: You have just planted a sturdy 2-m-tall palm tree in your front lawn for your mother's birthday.…

A: Given,

Q: A 180-g billiard ball is shot toward an identical ball at velocity vi = 7.60 m/s. The identical ball…

A: A 180-g billiard ball is shot toward an identical ball at velocity vi = 7.60 m/s. The identical ball…

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

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Q: Dan is gliding on his skateboard at 3.96 m/s. He suddenly jumps backward off the skateboard, kicking…

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Q: During a circus act, an elderly performer thrills the crowd by catching a cannon ball shot at him.…

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Q: 7. A billiard ball is shot west at 3.00 m/s. A second, identical billiard ball is shot east at 2.00…

A:

Q: Two men pushing a stalled car generate a net force of 840 N for 5.0 s. What is the magnitude of the…

A: Force is equal to rate of change of momentum.  The initial momentum is zero since it is stalled.

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…

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Q: Identical twins, each with mass 64.0 kg, are on ice skates and at rest on a frozen lake, which may…

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Q: A 8.98 m long glider with a mass of 517.01 kg (passengers included) is gliding horizontally through…

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Q: 7. A billiard ball is shot east at 2.30 m/s. A second, identical billiard ball is shot west at 1.80…

A: From conservation of momentum along horizontal axis,

Q: Identical twins, each with mass 47.0 kg, are on ice skates and at rest on a frozen lake, which may…

A: Given : m1 = m2 = 47 kg mpack = 12 kg vpack = 2.70 m/s

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: During a spacewalk, a 118 kg astronaut (including her spacesuit) is at rest and holding a 3.5 kg…

A: Consider the mass of astronaut be m1, the mass of the wrench be m2, the initial speed of the…

Q: An 19.0-kg fish moving horizontally to the right at 3.11 m/s swallows a 2.2 kg fish that is swimming…

A: The speed of large fish immediately after its lunch is  V = 2.02 m/s

Q: For a safe reentry into Earth's atmosphere, the pilots of a space capsule must reduce their speed…

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

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Q: A shotgun of mass 5.8 kg launches a projectile of mass 20 g with a speed of 750 m/s. What will be…

A: Step 1:Step 2:

Q: A 48.8 kg archer, standing on frictionless ice, shoots a 116 g arrow at a speed of 96.88 m/s. What…

A: Given data:  Initially system is in rest Mass of atcher(m1 ) = 48.8 kg Mass of arrow (m2) = 116 g =…

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: Mass of rifle is Mr = 3.5 kg  Mass of bullet is Mb = 11×10-3 kg   Mass of shooter is Ms = 45 kg…

Q: A 170-g billiard ball is shot toward an identical ball at velocity vi = 6.90 m/s.The identical ball…

A:

Q: What is the recoil velocity of a 4.00 kg rifle which fires a 5.00 g bullet with a muzzle velocity of…

A: Mass of rifle: mrifle = 4.00 kg Mass of bullet: mbullet = 5.00 g = 5 x 10-3 Kg Final speed of…

Q: A 72-kg boy and a 48- kg girl, both wearing ice skates face each other at rest on a skating rink.…

A:

Q: Anthony is just relaxing since its summer vacation and actually put on some weight too and is now 90…

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Q: A 10-m-long glider with a mass of 680 kg (including the passengers) is gliding horizontally through…

A: Given,

Q: A bullet of mass m = 8.00 g is fired into a block of mass M = 220 g that is initially at rest at the…

A: Solution: Given: m1 = mass of bullet = 8.00 g m2 = mass of wooden block = 220 g h = height of table…

Q: You have just planted a sturdy 2-m-tall palm tree in your front lawn for your mother’s birthday.…

A: It is given that,

Q: A 98.3 kg archer is standing on level ice (neglect friction) fires a 97.3 g arrow to the right at…

A: This question can easily be solved by applying the basic concepts of law of conservation of linear…