8. A 1200 canon fires a 100 kg shell at 35 m/s in +ve x -...
8. A 1200 canon fires a 100 kg shell at 35 m/s in +ve x - direction. What is the recoil velocity of the canon? A) - 2 .9 m/s B) 3 5 m/s C) - 3.5 m/s D) 4 m/s
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1. A gun fires a shell of mass 8 kg in a horizontal direction with a...
1. A gun fires a shell of mass 8 kg in a horizontal direction with a velocity of 375 m-s. The mass of the gun is 2 t and the shell takes 0.012 s to leave the barrel. Calculate the velocity of recoil and the average force on the gun. 2. Two men, one of mass 80 kg and the other 60 kg, sit facing each other in two light boats and holding the ends of a rope between them....
A battleship that is 5.85 times 10^7 kg and originally at rest fires a 1100-kg artillery...
A battleship that is 5.85 times 10^7 kg and originally at rest fires a 1100-kg artillery shell horizontally with a velocity of 595 m/s. (a) If the shell is fired straight aft (toward the rear of the ship), there will be negligible friction opposing the ship's recoil. Calculate the recoil velocity of the ship, taking the firing direction to be the positive direction. (b) Calculate the change kinetic energy for the ship and the shell. This energy is less than...
25% 2. A 7 kg shell moving with a velocity ve = (600 m/s) k explodes...
25% 2. A 7 kg shell moving with a velocity ve = (600 m/s) k explodes at Point C into two fragments A, and B of mass, 4 kg and 3 kg, respectively. Knowing that the fragments land at the coordinates A(-4,3,1) and B(3, -4, -2), determine the speed of each fragment immediately after the explosion. Assume that elevation changes due to gravity may be neglected. y+ Al43,) -4m B(3-1,2) -3m Clo,0,6) 6 m.
019 10.0 points A cannon fires a 0.579 kg shell with initial velocity Vi-11 m/s in...
019 10.0 points A cannon fires a 0.579 kg shell with initial velocity Vi-11 m/s in the direction θ 43° above the horizontal. The shell's trajectory curves downward be- cause of gravity, so at the timet 0.55 s the shell is below the straight line by some vertical distance ΔΙι Find this distance Ah in the absence of air resistance. The acceleration of gravity is 9.8 m/s2. Answer in units of m
A 500 kg cannon fires a 2.5 kg projectile with a velocity of 400 m/s parallel...
A 500 kg cannon fires a 2.5 kg projectile with a velocity of 400 m/s parallel to the ground. The projectile hits a target which is 120 m away from the cannon. What is the recoil speed of the cannon?
A 70.0 kg archer, standing on frictionless ice, shoots a 200 g arrow at a speed of 100 m/s. What ...
A 70.0 kg archer, standing on frictionless ice, shoots a 200 g arrow at a speed of 100 m/s. What is the recoil speed of the archer? A 30 kg beaver is standing on the ice minding his own business. This same arrow travelling at 100 m/s bounces off the beaver, causing the beaverto slide across the ice at 1.2 m/s. What is the rebound velocity ofthe arrow? What percent of kineticenergy was conserved in the collision with the beaver?...
A 1200·kg car traveling with a velocity of 12·m/s north collides head-on with a 2400·kg truck...
A 1200·kg car traveling with a velocity of 12·m/s north collides head-on with a 2400·kg truck traveling with a velocity of 8·m/s south. Immediately after the collision, the velocity of the car is 4·m/s south. Take north as the positive direction (a) What is the velocity of the truck immediately after the collision? (b) What impluse is delivered to the car by the truck? (c) What impluse is delivered to the truck by the car?
35. A 2.3 kg ball traveling at 6.1 m/s to the left collides head-on with a...
35. A 2.3 kg ball traveling at 6.1 m/s to the left collides head-on with a 3.5 kg ball traveling in the opposite direction at 4.8 m/s. If the collision is perfectly elastic and the final speed of the 2.3 kg ball is 7.1 m/s to the right, what is the final velocity of the 3.5 kg ball? 3.9 m/s to the left 0.8 m/s to the left 0.4 m/s to the left 4.3 m/s to the left 4.8 m/s...
A cannon of mass 5.60 ✕ 10^3 kg is rigidly bolted to the earth so it...
A cannon of mass 5.60 ✕ 10^3 kg is rigidly bolted to the earth so it can recoil only by a negligible amount. The cannon fires an 82.5-kg shell horizontally with an initial velocity of +550 m/s. Suppose the cannon is then unbolted from the earth, and no external force hinders its recoil. What would be the velocity of an identical shell fired by this loose cannon? (Hint: In both cases assume that the burning gunpowder imparts the same kinetic...
A 5 μC charged particle with a mass of 4.7 x 10-9 kg is traveling with a velocity of 1200 m/s
A 5 μC charged particle with a mass of 4.7 x 10-9 kg is traveling with a velocity of 1200 m/s when it enters a region where the magnetic field is 2.5 T, directed into the page. a) Find the magnitude and direction of the force on the particle at the instant it enters the region. b) Find the radius of the circular path of the particle.
A battleship that is 5.85 times 10^7 kg and originally at rest fires a 1100-kg artillery shell horizontally with a velocity of 595 m/s. (a) If the shell is fired straight aft (toward the rear of the ship), there will be negligible friction opposing the ship's recoil. Calculate the recoil velocity of the ship, taking the firing direction to be the positive direction. (b) Calculate the change kinetic energy for the ship and the shell. This energy is less than...
25% 2. A 7 kg shell moving with a velocity ve = (600 m/s) k explodes at Point C into two fragments A, and B of mass, 4 kg and 3 kg, respectively. Knowing that the fragments land at the coordinates A(-4,3,1) and B(3, -4, -2), determine the speed of each fragment immediately after the explosion. Assume that elevation changes due to gravity may be neglected. y+ Al43,) -4m B(3-1,2) -3m Clo,0,6) 6 m.
019 10.0 points A cannon fires a 0.579 kg shell with initial velocity Vi-11 m/s in the direction θ 43° above the horizontal. The shell's trajectory curves downward be- cause of gravity, so at the timet 0.55 s the shell is below the straight line by some vertical distance ΔΙι Find this distance Ah in the absence of air resistance. The acceleration of gravity is 9.8 m/s2. Answer in units of m
A 70.0 kg archer, standing on frictionless ice, shoots a 200 g arrow at a speed of 100 m/s. What is the recoil speed of the archer? A 30 kg beaver is standing on the ice minding his own business. This same arrow travelling at 100 m/s bounces off the beaver, causing the beaverto slide across the ice at 1.2 m/s. What is the rebound velocity ofthe arrow? What percent of kineticenergy was conserved in the collision with the beaver?...
35. A 2.3 kg ball traveling at 6.1 m/s to the left collides head-on with a 3.5 kg ball traveling in the opposite direction at 4.8 m/s. If the collision is perfectly elastic and the final speed of the 2.3 kg ball is 7.1 m/s to the right, what is the final velocity of the 3.5 kg ball? 3.9 m/s to the left 0.8 m/s to the left 0.4 m/s to the left 4.3 m/s to the left 4.8 m/s...
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