A dart gun has a spring of spring constant k = 13 N/m which is used to shoot a dart of mass m. The dart leaves the gun at a speed of v = 3.7 m/s after the spring is compressed 1 cm. What is the weight, Fg in Newtons, of the dart?   What is the dart’s speed when it hits the floor vf, in m/s, if it is fired horizontally at a height of h = 2 meters? What angle, θ in degrees, does the dart's final velocity make with the horizontal?

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A: Given:- mass of object is 20 kg  height above the ground is 8 m  Find:- potential energy?

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A: Draw the free-body diagram of the block, when the block is on-ramp.

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A: The speed is, v=dtv=18.26 m2.0 sv=9.13 m/s

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Q: Thanks!!

A: Basic Details According to the conservation of energy, the energy of the spring would be converted…

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Q: 8) An apple of mass m is thrown horizontally from the edge of a cliff of height H, as shown to the…

A: Mass of apple = m Initial height of apple = H Final height of apple = 0  Initial speed of apple = vo

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A: We have givenMass of block (m)=7.3 kgSpring constant (k) = 1659 N/mWhen Block is d=22.6 m away from…

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A: a) Let the spring be compressed by x. The potential energy of the block at the top will be converted…

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A:

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Q: A 2-kg block is pushed against a spring with k= 500 N/m, compressing the spring by 20 cm. The block…

A: Mass of block m= 2 kg Spring constant k= 500 N/m Spring is compressed to x= 20cm =0.20 m

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A:

Q: Is the answer I choose the correct one?

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Q: A dart gun contains a spring of spring constant k = 17 N/m which is used to fire a dart of mass m.…

A: From the conservation of energy

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A: mass of the body m=0.40 kg Force applied F=3 N Displacement of the body d=5.0 m Initial velocity…

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A: The answer is below

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Q: Two blocks are free to slide along the frictionless wooden track as shown in the figure. The block…

A: m1 = 5 kg h = 5 m m2 = 10 kg

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A: The force acting on the ball is 133.03 N

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Q: An 8.5-kg block is pushed along a horizontal rough surface by a 40-N force inclined at 20° with the…

A: Mass of the block is m = 8.5 kg Applied force is F = 40 N Angle of force with the horizontal is 20…

Q: Smouth swface F2.50m he 3.00m E; Ei + WNC A 34.2 kg block slides with a velocity of 10.22 m/s to the…

A: Frictional force on horizontal = μ mg   = 0.325 ×34.2 × 9.8  = 108.93 N

Q: Each second 1080 m of water passes over a waterfall 103 m high. Three-fourths of the kinetic energy…

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Q: As part of a game on The Krusty the Clown Show, a 2.77 kg ball is pushed against a spring-mounted…

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Q: Fred is using a slingshot (basically a big rubber band connected to a stick) to shoot a 182 g rock…

A: Given: The mass of the ball is 182 g. The spring constant is 52 N/m. The compression in the spring…

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A: Mass of the box 'm' = 2kg Coefficient of static friction between box and interface us = 0.7 Kinetic…

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A: Given,

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Q: A stone of mass 80 g is dropped onto an unstrained vertical spring with a spring constant k=0.8…

A: The given values are, m=80 g=80×10-3 kgk=0.8 N/cm=0.8 N/cm102 cm1 m=80 N/mx=3.8 cm=3.8×10-2 m

Q: A bolt gun has a spring of spring constant k = 14 N/m which is used to fire a bolt of mass m. The…

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Q: A 263 g ball of clay falls onto a vertical spring. The spring constant k = 2.52 N/cm.  The clay…

A: Given data: Mass of the clay ball is, m = 263 g = 0.263 kg The spring constant is, K = 2.52 N/cm =…