2.12 A gun is fired straight up. Assuming that the air drag on the bullet varies quadratically with speed, show that the speed varies with height according to the equations o = Ae - (upward motion) 1 =-Be (downward moton) k %3D

Q: Based on the graph, what is the velocity for best L/D in calm air V(kts) 30 60 90 120 150 180 -1…

A: As, the sink ratio is defined as, Vz=v×DL where V is the velocity, D is the drag and L is the lift…

Q: 2. A 40-lb suitcase has an initial velocity down the ramp of va = 20 ft/s and the coefficient of…

A: in this  question  we use  equation of motion and free body diagram  equation.

Q: Next consider the case where the angle 0 is 40.2° and the penguin is sliding down the hill. Using…

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Q: Ggg

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Q: As you go above the Earth's surface, the acceleration due to gravity will decrease. Find the height,…

A: Given , Acceleration due to gravity at height (h) from earth surface is  ag= (1/270)g

Q: To what height will a 450 g soccer ball rise if it is kicked directly upward at 8 m/s? b) Neglecting…

A: mass of ball (m) = 450 g Initial upwards velocity (u) = 8 ms

Q: The graph below shows the acceleration vs, time for an object. Choose the correct corresponding…

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Q: A fountain shoots water from a nozzle with initial velocity of 3.13 m/s at 30.0° above the…

A: Given values, Initial velocity, u=3.13 m/s Angle from horizontal, θ=300 g=9.8 m/s2

Q: 1.A leaf falls to the ground with constant speed. Is Uf+Ki  for this system greater than, less than,…

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Q: (Figure 1) is a bird's-eye view of particles moving in horizontal circles on a tabletop. All are…

A: The centripetal force acting on an object which is in a circular motion can be calculated using the…

Q: The height y and the distance x along the horizontal, for a body projected in the vertical plane are…

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Q: To throw a baseball, the pitcher winds up, starting the ball from rest. They then accelerate the…

A: Given data:  Initial velocity (u) = 0 m/s Displacement (d) = 3.4 m Final velocity (v) = 46 m/s…

Q: A projectile is launched from point A with speed vo= 39 m/s. Determine the value of the launch angle…

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Q: A parachute with k = .2 N-sec/m carries an object of mass .5-kg. a) Without solving for v(t), find…

A: Given: Declination constant k = 0.2 N-sec/m. Mass of the object m = 0.5 kg.

Q: A light plane flies north from Hamburg to Kiel (100 km) with an air speed of of 340 km/h through…

A: Given that:-Distance travelled, d=100 kmAir speed, v1= 340 km/hTail wind speed, v2=80 km/hFlight…

Q: Consider the falling object of mass m = 8 kg, and assume that the drag force is proportional to the…

A: mass = 8 Kg Limiting Velocity = 79 m/s

Q: Frozen rain with spherical shape falls from 3.00 km, what is its velocity if the diameter is 0.3 mm?…

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Q: A plane flies 180 miles south, then 170 miles east and finally 250 miles north. What is the…

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Q: A group of Chinese soldiers launches a small 8.00-kg rocket from artillery at an angle of 17 degrees…

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Q: +15m/s.When the pacikaged is drgpped. I f it t pacicaye strilces the ground, how high above the…

A: We know that let the velocity of the helicopter moving upward is u and it takes a time t  before the…

Q: Accelerating object MUST be changing their velocity- either the magnitude or the direction of the…

A: Accelerating object must be changing their velocity -either the magnitude or the direction of the…

Q: Determine the values of the angle theta where "EACH" of the blocks will start to slide. M1 = 6kg,…

A: We have given that the masses of bodies  are M1 = 6 Kg and M2 = 4 Kg. The static friction of bodies…

Q: The Drag Force on a race car travelling with a velocity of vis given by, FD = 1/2 CD APV ² Where:…

A: The drag force is given by=0.5CdAPaV2 The range of velocity=18m/s to 55m/s Coefficient of drag =0.9…

Q: A golf ball is struck at an initial speed of 8.0 m/s 35 degrees above the horizontal. What is the…

A: Given that Initial speed=8m/s To determine: Speed of the ball when it returns to the same horizontal…

Q: 1. Disregarding the ball's dimensions, calculate the magnitude Va of the initial velocity of the…

A: Step 1:Step 2:

Q: H What is the MINIMUM speed a roller coaster can through the top of a loop where R = 4.4 meters?…

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Q: Fp = Fg b vž = mg mg Vr = b Mr. Aikins dropped from a height of 7.7 km. In less than 20 seconds he…

A: (a) Given: The height from which Me Aikins dropped is 7.7 km. The density of air at sea level is…

Q: A puck in a shuffleboard game slides a total of 12 m before coming to rest.  It kinetic coefficient…

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Q: The mass of the coffee filter is 10.0 g. It is positioned 2.0 m from the ground and is released with…

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Q: To what height will a 450 g soccer ball rise if it is kicked directly upward at 8 m/s? b) Neglecting…

A:

Q: A golf ball is launched into the air at an angle. Its horizontal speed is 30 m/s and its vertical…

A: Given data:  Ball is launched into the air at an angle Horizontal speed (ux) = 30 m/s Vertical speed…

Q: 2) A disk (40mm diameter and 0.2 kg mass) is dropped in the air. Consider g = 10 m/s² and the…

A: The following information are given: diameter of disk (d)=40 mmmass of disc (m) =0.2 kgg = 10…

Q: A ball is thrown at an original speed of 8.0 m/s at an angle of 35 degrees above the horizontal.…

A: Here, ball comes to the same height as initial position. Using conservation of total energy we can…

Q: 2. Determine the acceleration of the system. Neglect force by air and friction force. 20N %3D Fa m1…

A: The mass of block-1 is given as, m1 = 15 kg The mass of block-2 is given as, m2 = 5 kg The pushing…

Q: What is the horizontal component of the acceleration?

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Q: (a) All ali pial is 45° south of west, while its direction of travel relative to the air is 5° south…

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Q: A cart is released from rest at point P moving over a frictionless path through points Q and then R,…

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Q: The circus rehearses an idea to spice up the act. When the acrobat steps off, a bunch of plastic…

A: Given that:The distance between trampoline and bore of the cannon: d=18 mIntial velocity of bunch of…