One car of mass 1000 kg is traveling West at 25 m/s while another car of mass 2000 kg is traveling East at 20 m/s.  What is the velocity of the center of mass? Group of answer choices 22 m/s West 1.7 m/s East 1.7 m/s West 5 m/s West 5 m/s East 22 m/s East

Q: A 116-lb student races up stairs with a vertical height of 5.1 m in 4.5 s to get to a class on the…

A: Given data: Mass of the student, m=116-lb Vertical height, h=5.1 m Time taken, t=4.5 s Our…

Q: Use the values from PRACTICE IT to help you work this exercise. Suppose the spring system in the…

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Q: schoolboy is trying to pump up a bicycle tire so that its pressure is 0.6 × 105 Pa above that of…

A: Given  Pressure (P) = 0.6 × 105 Pa  Diameter of circular piston (d) = 0.025 m  Area of circular…

Q: A sample of neon gas has its volume tripled and its temperature held constant. What will be the new…

A: Given data:  A sample of the neon gas  New volume (V2) = 3V1 New temperature (T2) = T1 Required: New…

Q: Question 2 36 cm. 1) 2) 3) 4) 5) k,= In the formula sheet provided which equation can be used to…

A: Note: As per the guidelines, we can only answer three subparts of a question. Sorry for the…

Q: Answer the following. (a) How much energy is necessary to heat 2.0 kg of water from room temperature…

A: Given Data a)mass of water m = 2 kgspecific heat of water C = 4186 J/kg ∘CRoom temperature Ti =…

Q: Find the total charge delivered by the battery in the capacitor network diagrammed below.

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Q: Move over Jeff Bezos, this invention is about to make you the richest person in the world. You have…

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Q: Please create a comparison table between the 5 common configurations of BJT amplifiers: CE fixed…

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Q: Current Attempt in Progress A tube 1.20 m long is closed at one end. A stretched wire is placed near…

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Q: Describe how Poiseuille's law arranged for flow and Poiseuille's law arranged for pressure relates…

A: The bronchial airways are the passageways that allow air to enter and leave the lungs. They are…

Q: A point charge, q = -5.0 nC, and m = 2.0 x 10-18 kg, is shot vertically upward with an initial speed…

A: This question is based on law of conservation of energy in uniform electric field.

Q: 39. In a Broadway performance, an 80.0-kg actor swings from a 3.75-m-long cable that is horizontal…

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Q: A 55 cm long slingshot travels the first lap in 0.5 seconds and the second in 0.4. When it takes 4…

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Q: A 2.01-kg ball traveling east at 17.8 m/s collides with 3.35-kg lump of coal moving west at 11 m/s.…

A: Given, Mass of ball (mb ) = 2.01kg  Initial velocity of ball ( ub) = 17.8 m/s (east)  Velocity of…

Q: Find the equivalent capacitance of the circuit below.

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Q: A) A constantan wire of length 10 m and having a cross sectional area 1.5x10-4 m² is converted into…

A: Below I have provided the solution of the given question

Q: A 14.0 m uniform ladder weighing 490 N rests against a frictionless wall. The ladder makes a…

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Q: A ball is thrown vertically upward from the ground and a student gazing out of the window sees it…

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Q: Find the work done by the force  F  =  −4y i + 5x j  along one loop of the curve  r  =  sin 4θ  (in…

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Q: Three polarizing filters are stacked, with the polarizing axis of the second and third filters at…

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Q: A 29.0 m long steel cable with a cross-sectional area of 2.05 ✕ 10−3 m2 is used to suspend a 3.00 ✕…

A: Given data:  Original Length (L) = 29.0 m Cross sectional area (A) = 2.05×10-3 m2 Mass of container…

Q: m₂ 1112 In the following figure, a box of m2=2.0 kg appears on an inclined plane with a coefficient…

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Q: A rectangular loop with L₁ = 0.25 m and L2 = 0.53 m is sitting in a magnetic field B = 0.35 T as…

A: 10) The torque of F1 on ab with respect to cd = F1×distance to axis cd =F1L2

Q: Which one of the following is not an expression for electric charge? I calA area o Spdv volume JE.da…

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Q: Suppose that you are watching a race between two cars. Car A is on the lead running at a constant…

A: Given, Car A is on the lead running at a constant speed while car B is running behind car A at a…

Q: In the figure, a sound of wavelength 0.750 m is emitted isotropically by point source S. Sound ray 1…

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Q: You push a 100 kg wheeled (frictionless) cart across a floor a distance of 13 m by applying a force…

A: Given data:  Mass (m) = 100 kg Displacement (d) = 13 m Force (F) = 10 N Time (t) = 9 s Required:…

Q: The density of copper is 9.86g. Work out the mass of the solid copper cuboid in kg Length: 10cm…

A: Given data:  Density of copper (ρ) = 9.86 g/cm3 A solid copper cuboid Length  = 10 cm, Width = 5 cm…

Q: (10) A constant electric field E = 100 V/m points in the direction of the x-axis. A +0.01 C point…

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Q: We have a quantum mechanical system that has two states, one at energy 2ev and another at energy 3ev…

A: We have a quantum mechanical system that has two states. E1 =  2ev E2  = 3ev . We put this system in…

Q: An AC source operating at 60 Hz with a maximum voltage of 172 V is connected in series with a…

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Q: Problem 5. ! Two positive charges, q₁ = 2x 10-9 [C] and q2 = 3x10-9 [C], are separated by a distance…

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Q: A toy duck is floating on the water. The average density of the duck is ρd = 680 kg/m3, while the…

A: Given data:  The average density of the duck (ρd) = 680 kg/m3 Density of water (ρ) = 1.0×103 kg/m3…

Q: Current Attempt in Progress Two-lens systems. In the figure, stick figure O (the object) stands on…

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Q: Two in phase sources create circular waves of wavelength lambda, and the interference pattern shows…

A: We have been given two sources in phase with each other. The dotted lines represent constructive…

Q: Problem 20:   A frequently quoted rule of thumb in aircraft design is that wings should produce…

A: Given data-  A frequently quoted rule of thumb in aircraft design is that wings should produce…

Q: A microwave oven has a power requirement of 1,262 W. A frozen dinner requires 4.1 min to heat on…

A: Write the expression for the electrical energy. E=P×t Here, P is the power and t is the time.

Q: B 4 3

A: The vertical sides (segments 1 and 3) of the rectangular loop are parallel to the magnetic field.…

Q: What radius needle should be used to inject a volume of 467 cm3 of a solution into a patient in 27…

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Q: PRACTICE IT Use the worked example above to help you solve this problem. A 49.7 kg circus acrobat…

A: Given, 1) Practice: m= 49.7kg h=1.57m k= 6900 N/m  2) Exercise:  m= 6.37kg h= 0.77m  k= 950N/m

Q: View Policies Current Attempt in Progress In the figure, S is a small loudspeaker driven by an audio…

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Q: A 32 centimeters tall object is placed in front of a concave mirror which then forms an image with a…

A: Given, Height of the object, ho=32 cm Height of the image, hi=-10 cm The image distance, v=-9 cm

Q: More mirrors. Object O stands on the central axis of a spherical or plane mirror. For this situation…

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Q: In the figure, S₁ and S₂ are two isotropic point sources of sound. They emit waves in phase at…

A: Given data- S1 and S2 are two isotropic point sources of sound. They emits waves in phase at…

Q: The diagram below shows decay scheme of Uranium 238 atoms. Work out how many beta decays and alpha…

A: Introduction of Alpha α decay & Beta β decays:: When an α particle is emitted from Radioactive…

Q: The head of a nail is 0.33 cm in diameter. You hit it with a hammer with a force of 41 N. What is…

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Q: P2- 2.0 atm P 0 0 657°C 37°C Isothermal V3 V(L) The figure (not to scale) shows a pV diagram for 1.1…

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Q: Waves are made in a puddle of water by tapping the water surface 2 times each second causing wave…

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Q: (a) What is the force (in N) of gravity between two 1225 kg cars separated by a distance of 20.0 m…

A: Given, Mass of the two cars, m = 1225 kg distance between the cars, d = 20.0 m