Given four vectors: 3 newtons 20 degrees south of west; 6 newtons 45 degrees north of west; 4 newtons 65 degrees east of south; and 8 newtons due north:

Q: 3. During volcanic eruption, chunks of solid rock can be blasted out of the volcano; these projectil...

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Q: A person whose mass is 70kg, represented by M, holds the 25kg mass as shown in the figure. The pulle...

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Q: 2. (a) The peak voltage of an AC supply is 300 V. What the rms voltage? (b) The rms value of current...

A: The RMS value of an alternating current is defined as the square root of the mean of the squares of ...

Q: A cheering squad is made up of four members: Ping of 75kg moving 3.0 m/s, North; Manny of mass 70kg ...

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Q: Calculate the total resistance of the circuit shown below. 24 2 48 Q

A: Given: Value of resistors R1=24 Ω, R2=48 Ω. Required : Total resistance of the circuit R. For two re...

Q: Near the surface of the planet, the Earth's magnetic field is about 0.50x 10-4 T. How much energy is...

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Q: For an RC circuit with reactance magnitude of 820 ohms  and resistance of 572 ohms, what is the phas...

A: Given data:  An RC circuit  Reactance (XC) = 820 ohms Resistance (R) = ohms Required:  The phase ang...

Q: A container 0.550kg of ice at -15.0*C.The masses of the container can be ignored. Heat is supplied t...

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Q: In one or twO sentences, describe the relationship between harmonics and Resonance Freauencu in a Pl...

A: The nth harmonics = nx the fundamental frequency The number of harmonics in a resonance is limited b...

Q: A glider strikes a 0.075-kg block so that its velocity changes by +35 m/s in 0.070 s. With what aver...

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Q: Draw the block diagram of the equation x2 = a1 dt

A: Given equation x2=a1dx1dt

Q: Agent Arlene devised the following method of measuring the muzzle velocity of a rifle (the figure be...

A: Let the speed of the bullet be u1 Given that, Mass of the bullet (m1)= 7.87× 10-³ kg Mass of wooden ...

Q: A 6kg hoop 3m in diameter rolls down from rest on a plane inclined 40 degrees. The height of the inc...

A: The 6 kg hoop is initially at rest on the top of the inclined plane, 2.5 m in height. Being at rest,...

Q: Part A The illumination lights in an operating room use a concave mirror to focus an image of a brig...

A: focal length (f) = 24 cm  image distance (i) = 120 cm   

Q: N(y) m. V, V. m. E(x)

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Q: What is the frequency of the 1st mode for the bottle?

A: we know , frequency f=1V   (where V=volume)----------------------(1)                         ANS:The...

Q: A 6kg hoop 3m in diameter rolls down from rest on a plane inclined 40 degrees. The height of the inc...

A: Given data: Mass m = 6 kg Diameter d = 3 m Height h = 2.5 m  

Q: Find the magnetic energy stored in the air gap between two very large magne area of 100 cm2. Assume ...

A: GivenArea of each magnetic pole piece=100 cm2Uniform Magnetic field, B=0.05 TGap, d=2 cm

Q: A diving board 3.00 m long is supported at a point 1.00 m from the end, and a diver weighing 500 N s...

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Q: A parallel-plate capacitor in which the plates are separated by a distance, d, contains a uniform el...

A: In parallel plate capacitor , there is a uniform electric field between the plates say E .

Q: A current-carrying wire is straight up and down, perpendicular to the floor. The current is running ...

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Q: use a 0.50-mmmm-diameter copper wire as the heating element, how long should the wire be if you want...

A: We know that the Formula of the resistance in terms of the resistivity is given as  R = ρLA where R ...

Q: A 2500. kg Toyota car traveled 20. Meter and then stopped to fill up the car with gasoline. Initial ...

A: Given: The mass of the car is 2500 kg. The initial speed of the car is 10 m/s. The displacement of t...

Q: Part A An object of unknown mass m is hung from a vertical spring of unknown spring constant k, and ...

A: The time period of a spring-mass system is given by T = 2πmk, where m = mass of the block k = spring...

Q: A 3.5-cm-tall object is 12.0 cm in front of a concave mirror that has a 25 cm focal length.

A: height of object = 3.5 cm object distance (d) = 12 cm focal length of concave mirror (f)= 25 cm   

Q: Calculate the mass of a car that drives at 24 m/s and has 3000 J of energy ?

A: Given data :      Velocity  =  V    Kinetic energy  =  K•E        To find :         Mass

Q: A ball is thrown so that it just clears a 25ft wall 100ft away. If it left the hand 5ft above the gr...

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Q: A stone of mass m = 1.45 kg is dropped from a height of h = 3.6 m into a basin of water. At a time o...

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Q: .0 x 10^3 dyne.dm/score to horsepower

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Q: . (a) The peak voltage of an AC supply is 300 V. What is the rms voltage? (b) The rms value of curre...

A: (a) The peak voltage of an AC supply is 300 V. What is the rms voltage? (b) The rms value of current...

Q: An airplane has a speed of 120 m/s and an angle of flight of 30 degrees above the horizontal. What i...

A: Given data:  Speed (v) = 120 m/s Angle of flight (θ) = 30°, above the horizontal  Required: The upwa...

Q: Note: Make sure your calculator is in radian mode for this problem, and that you switch it back afte...

A: The x-component of impulse is given by, I21,x=∫titf F21,x dt  

Q: The Moon’s craters are remnants of meteorite collisions. Suppose a fairly large asteroid that has a ...

A: The kinetic energy change is(T)=1/2(mv2) =0.5×4.95×1012×14.5×103 joules =35.8875×1015 joules

Q: In Figure (a) below, unpolarized light is sent into a system of three polarizing sheets. The angles ...

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Q: Describe ONE evolutionary consequence of using insecticides to kill pests rather than  ultrasonic so...

A: Insects spread disease and destroy millions of tons of crops each year. With global climate change a...

Q: . A woman stands on a weighing scale in a non-moving elevator. When the elevator started to move, th...

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Q: Find the current in a long straight wire that would produce a magnetic field twice the strength of t...

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Q: Show the complete solution to the following problem. At one atmospheric pressure and at a temperatur...

A: Given: at 0°C  , vo=33,145 cm/sfor each degree rise in temperatureincrease in speed = 60 cm/swe have...

Q: Part A (Figure 1) shows a meter stick held lengthwise along the optical axis of a converging mirror....

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Q: A bug from South America known as Rhodnius prolixus extracts the blood of animals. Suppose Rhodnius ...

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Q: A 9.0 V battery moves 3.5 × 10° C of charge. How much energy does the battery deliver? A 3.9x 10?J B...

A: Given,emf of the battery, V = 9.0 charge, q = 3.5×103 C

Q: Given the expression for the amplitude of a spring at any x(t) = 7.1 cos (5.3t ) What is the period ...

A: We know that the equation of motion of  the spring at any time is given as  x(t) = A cosωt ---------...

Q: In the figure, two circular arcs have radii a = 13.2 cm and b = 11.4 cm, subtend angle 0 = 71.0°, ca...

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Q: What is the magnitude of the total magnetic flux through the jar with the on? An empty cylindrical f...

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Q: Motion data was collected for 9 different objects and is shown in the table below. Identify which of...

A: Given Data

Q: What is the total resistance of the given circuit? 9 V R R, ŽR, U 06 45 2 180 2 3/315 Ohms 105 Ohms ...

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Q: Sound with froquency 1270 Hz loaves a room through a doorway with a width of 1.15 m. At what minimum...

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Q: Coherent red light (wavelength 650 nm) is shined on a Young's double slit apparatus. What slit size ...

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Q: The wiring in a house must be thick enough so it does not become so hot as to start a fire.  What di...

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Q: A 5.0-kg block moves in a straight line on a horizontal frictionless surface under the influence of ...

A: Given: The mass of the block m = 5 kg The initial speed of the particle u = 4 m/s The Force (F) and ...