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Q: Part 1: a 30 kg gun is standing on a frictionless surface. The gun fires a 49.8 g bullet with a muzz...

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Q: A small object of mass 3.60 g and charge −18.5 ?C is suspended motionless above the ground when imme...

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Q: Example 2 The average accelerating force exerted on a 2.00 kg shell in a gun barrel is 1.00 × 104 N,...

A: We have a shell of mass m=2 kg and a force of F=104 N exerted on it. Initially the shell is at rest ...

Q: Part A Determine the equivalent resistance of the "ladder" of equal 180-S2 resistors shown in the fi...

A: ladder resistance = 180 ohm; given a 50 v battery;

Q: A blue and a green billiard ball, each with a mass of 0.15 kg, collide directly. Before the collisio...

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Q: An object with a mass of 2.00 kg starts from rest at the origin and moves in the xy plane to the pos...

A: Force is an external agent that has the ability to change the state of rest or motion of a certain b...

Q: [U04 LO4.2-2] Mr. Conaway hits a baseball with a force of 7.9 N. If the mass of the ball is 0.38 kg,...

A: M= 0.38 kg, F= 7.9 N

Q: Initial height = 27 m. Initial velocity = 23 m/s. Initial angle = 29 degrees.   Find the velocit...

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Q: A skyscraper elevator travels 20 m while reaching its cruising speed of 10m/s. A 82 kg passenger get...

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Q: 20. If you stand on a ground, the ground pushed back with  a) more force  b) equal force  c) less...

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Q: Consider a football coach pacing back and forth along the sidelines. The diagram below shows several...

A: Since you have asked multiple and multi-part questions, we will solve the first question for you wit...

Q: 50 kg mass is suspended by threee cables. Determine the magnitudes of the tensions in the cables if ...

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Q: A hockey puck with a mass of 0.16 kg travels at a velocity of 40 m/s toward a goalkeeper. The goalke...

A: Mass of puck (m) = 0.16 kg Initial velocity of puck (u) = 40 m/s mass of goalkeeper (M) = 120 kg Ini...

Q: II 1) Listen Let A U 9 ) + i 3 m ]k and C 2. +[ 2 m 4m 1 m k. Then A B equals: B. 17 (8 m)i+ (12 m)j...

A: Dot product is the scalar product of two vectors. It is an algebraic operation whose outcome is a sc...

Q: Consider the following premises: All physicists are scientists. Some scientists are artists. All mat...

A: Ghh

Q: In a DC circuit, at t=infinity, an inductor appears to be a(n) ________ circuit. In an RL circuit, w...

A: Introduction: The inductor at t = 0 s act as open circuit so the current across the inductor will be...

Q: aircraft accident investigation: 1. What is Impact angle? 2. How to determine Impact Angle? Give an ...

A: aircraft accident investigation we use here Blood-spatter analysis. we will see how this technique w...

Q: A potter's wheel moves uniformly from rest to an angular speed of 0.25 rev/s in 33.0 s. (a) Find its...

A: Given that : ω=0.25 rev/st=33 secondswhere,ω is the angular speed andt is the time

Q: 500 Ib 420 lb, 60° 70° 225 lb 40° 15° 576 Ib 325 Ib

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Q: On this position-time graph, what is the displacement between 5 s and 20 s? Curved-Line Position-Tim...

A: Displacement=Final position-Initial position

Q: Somewhere you place a 6 kg pumpkin on a spring scale. If the scale reads 18 N, what is the accelerat...

A: Given : Mass (m) = 6 kg Reading on the scale (W) = 18 N

Q: After the object reaches the ground, the object continues to move downwards, embedding itself 0.200 ...

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Q: SerCP10 6.P.003. [3490232) A pitcher claims he can throw a 0.144-kg baseball with as much momentum a...

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Q: 15 15 15 15 A small object is released from a hot air balloon which is rising straight upwards. At t...

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Q: A car has an initial velocity of 60 m/s and an acceleration of 2 m/s2 . Find its a. displacement wh...

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Q: Part A Suppose m, = 2.1 kg and mz = 0.70 kg. What is the acceleration of m, across the frictionless ...

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Q: A classmate is attempting to draw a free body diagram for a box being pushed across the floor at a c...

A: IN GIVEN FIG  Normal reaction force FN = Upword direction gravity force F g = downword direction  Up...

Q: A car has a mass of 1500 kg, and its alumi mass of 6.00 kg. Consider that: the brakes the melting te...

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Q: The following reaction shows the beta decay of a H nucleus. H- He 3 3 — Не + е Determine the total e...

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Q: ational Potential Energy A skier starts from rest at the top of a frictionless incline of height 20....

A: at point A, height = hA= 20m speed at point A = VA=0m/s at point B, height = hB= 0 m  

Q: A composite plane wall consists of a L, = 75 mm thick layer of insulation ( k; = 0.05 W/m-K) and a L...

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Q: A force is a push or a pull on an object, When the direction of the free is towards the object apply...

A: When the direction of the free is towards the object applying the force, it is a Push force

Q: How much work must be done to stop a 1300-kg car traveling at 110 km/h? (Hint: You will need to conv...

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Q: A baseball has a mass of 0.145 kg. In batting practice a batter hits a ball that is sitting at rest ...

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Q: The Lamborghini Huracan has an initial acceleration of 0.80g. It’s mass, with a driver, is 1510kg. I...

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Q: Determine if each of the four processes below describes positive or negative changes to the internal...

A: here given 4 cases;  we have to check if these workdone is positive or negative;

Q: What is Lattice Vibrations in Superconductivity?

A: Lattice The oscillations of atoms in a solid about their equilibrium position are known as vibration...

Q: A rocket powered by two engines that are angled 120 from the horizonatal . Each engine produces 9000...

A: angle = 12 degree (each engines ) thrust or force = 9000 N  

Q: A signal from of PLDT-Fibr travels through its optic cable at the speed of (2x108 m/s). a.) How long...

A: Given: Singal speed inside optical cable,u=2×108 m/s To determine: (a) Time taken by signal to trave...

Q: Gravitational Potential Energy A 2.5-kg block is pushed a distance d= 2.2 m along a rough horizontal...

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Q: Which equation best represents the vector diagram shown in the figure? 10 10 20 30 40 ○デ-オ-マ-マ d O7+...

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Q: The ship in the figure below travels along a straight line parallel to the shore and 600. m from the...

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Q: An object is launched at a velocity of 25 m/s in a direction making an angle of 30° upward with the ...

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Q: Draw the FBD of the following. An egg is free-falling from a nest in a tree. Neglect air resistance...

A: here two situations are given: we have to make FBD (Free body diagrams) for faaling egg and a book t...

Q: roblem 1: The eight ball, which has a mass of m = 0.5 kg, is initially moving with a v = 2.5i m/s. I...

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

Q: An electric post, which leans 10°15’ from the vertical towards the sun, cast a shadow 9.43m long on ...

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Q: The gage at the suction side of a pump shows a vacuum of 25cm of mercury. Compute a. Pressure he...

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Q: In the figure, a stone is projected at a cliff of height h with an initial speed of 44.0 m/s directe...

A: initial velocity = V0= 44 m/s angle = 59 initial height = y0= 0 final height = y=h

Q: in a particular crash test, an automobile of mass 1280kg collides with a wall and bounces back off t...

A: Given data:  Mass (m) = 1280 kg Initial velocity (vi) = 23 m/s Final velocity (vf) = 2 m/s Time inte...

Q: An arrow is launched at a velocity of 20 m/s in a direction making an angle of 25° upward with the h...

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