A vector A has components A, = -3.50 m and A, 6.50 m. Find the magnitude (in m) and the direction (in degrees counterclockwise from the +x-axis) of the vector. HINT magnitude diroction

Q: 13. (Ch 5) You are holding a book against a wall by pushing up at an angle with your hand. Your push...

A: Given: mass of book = m  angle of push = θ coefficient of static friction = μ

Q: Two trucks of equal mass collide at a 90° intersection. If the momentum of truck A is 9.50x104 kg km...

A: Given that:- pA=9.5×104 kg.km/h (East)pB=1.05×105 kg.km/h (North)m=mass of each truck

Q: A whale emits a frequency of 420 Hz in the ocean. An observer in a submarine moving toward the whale...

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Q: The 2.0 kg block in the figure slides down a frictionless curved ramp, starting from rest at a heigh...

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Q: The linear density of a string is 1.6 × 10-4 kg/m. A trans- verse wave on the string is described by...

A: The given data   The linear density of the string μ = 1.6×10-4 kg/m  and given wave equation is y = ...

Q: A small mailbag is released from a helicopter that is descending steadily at 1.67 m/s. (a) After 4.0...

A: there are three equatio  of motion  v = u + at  v2 - u2 = 2as  s = ut + 0.5 gt2  here u = initial ve...

Q: A bird is sitting on the top of a tree 10 m high. With what velocity should  a person, standing at a...

A: Given that:- g=9.8 m/s2θ=300x=25 my=10 m v=?   Equation of trajectory is given by:- y=xtanθ-gx22v2co...

Q: A charge of 1.0 x 106 µC is located inside a sphere, 1.25 cm from its center. What is the electric f...

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Q: 4. Which of the following properties of a cross product is FALSE? C, D, and E are vectors. I. C x D ...

A: 1. The Cross product of three vectors is    A×B =ab sinθ nhere,n is the unit vectorA,B are vecotors....

Q: A freezer sustains a cold environment of -32°C and exhausts its heat at 39°C. Assume a Carnot cycle....

A: The given data   The initial temperature T1 = -32°C = -32+273 = 241 K The final temperature T2 = 39°...

Q: Jake releses time 5 m/s, calculate arrow at the came relensed with Speed the velocily of relense and...

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Q: Problem 6: Consider a ball of mass m attached to a string of length L, which is being spun around in...

A: Given that:- Mass of the ball=m kg  Length of the string=L meter  

Q: A negative charge enters a uniform magnetic field as shown. What is the direction of the magnetic fo...

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Q: (a) How far did he travel? (b) What was his average speed? 12 75 (c) What was his displacement?73.87...

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Q: A train 350 m long is moving on a straight track with a speed of 80.1 km/h. The engineer applies the...

A: Given  Length of train, L = 350 m  Initial speed, Vi = 80.1 km /h  = 22.25 m/s Final speed, Vf = 18....

Q: A ball is launched from ground level with an initial upwards velocity of 20 m/s and an initial horiz...

A: Given : Initial upwards velocity = 20 m/s and an initial horizontal velocity = 30 m/s.   Hence, the ...

Q: A baseball player throws a ball horizontally. Which statement best describes the ball's motion after...

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Q: Sound travels at 1540 40 m/s in body tissue. If an ultrasound device sends out a frequenc of 16 MHz ...

A: The speed of sound in body tissue: v = 1540 m/s (in the question, it is mentioned "1540 40 m/s", it ...

Q: (II) Two billiard balls of equal mass move at right angles and meet at the origin of an xy coordinat...

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Q: At the height 80 m, an aeroplane is moving with 150 m/s. A bomb is dropped from it so as to hit a ta...

A: Given information: The height of the aeroplanen (h) = 80 m The velocity of the aeroplane (vx) = 150 ...

Q: 1. Raf rides a boat for a fishing trip at 6 kilometer south. After half hour of waiting, no fishes w...

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Q: Two identical particles of each mass M are located on the x-axis at x = + a and at x - a. Write down...

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Q: friction betwll Praw FBD) 3, The coefficient of stardie fhcdion betueen a Ho. o Kg picnc table and t...

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Q: Given data Charge=7 mC time=3 s Determine current

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Q: A car accelerates from rest at 7.55 m/s2 for 4.25 s. Determine the final velocity of the car.

A: Given: Car start from rest, so initial velocity u=0 Acceleration, a=7.55 m/s2 Time, t=4.25 s   To de...

Q: (a) Describe/Illustrate in detail: Ways how to convert/transform linear motion/ displacement (prisma...

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Q: 3. A fine (thin) ring with a radius 50 mm is being pulled from the surface of water. If the ring has...

A: In this question we have to find the force P which is required to pull the ring free from the surfac...

Q: Q2: Determine the magnitude and direction of the friction force which the inclined plane exerts on t...

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Q: Problem Find the electric potential and the electric field at a point P located on the axis of a uni...

A: Image_1

Q: What is the range of the shuttlecock launched with an initial speed of 7.3738 m/s at 53.8086-degree ...

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Q: Problem 5: Suppose the ski patrol lowers a rescue sled carrying an injured skiier, with a combined m...

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Q: ball is dropped from a cliff. The height of the cliff is 180 meters. At what speed does the ball hit...

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Q: v (m/s) 6. 26 v = 4t – 6 14 v = 3.5t t (s) 4 5 8

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Q: 10. The maximum wavelength for photoelectric emission in tungsten is 230 nm. What wavelength of ligh...

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Q: Problem 9 A 0.35 kg plastic cart and a 18 kg steel cart can both roll without friction on a horizont...

A: Given that, Mass of the plastic cart (mp)= 0.35 kg Mass of the steel cart (ms)= 18 kg Let F be the a...

Q: (0TT) Sketch within a cubic unit cell the plane If you move the origin indicate in your sketch its l...

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Q: The distance between two charges q1=+2 microCoulombs and q2=+6 microCoulombs is 15cm. Calculate the ...

A: first charge (q1) = 2μCsecond charge (q2) = 6μC distance between two charges (D) = 15 cm Let the poi...

Q: A truck goes around a curve, the radius of which is 1/2 mile. The truck will tip over if its normal ...

A: Given: Radius of the curve R = 0.5 mile. = 804.672 m. Upper limit of normal component of acceleratio...

Q: Under what condition is average velocity equal to the average of the object's initial and final velo...

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Q: A student of weight 641 N rides a steadily rotating Ferris wheel (the student sits upright). At the ...

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Q: A skater glides along a circular path of radius 4.90 m. (a) If he coasts around one fourth of the c...

A: radius of the circular path (r) = 4.90 m   

Q: 1) Write out the number 4.06 x 10 in full with a decimal point and correct number of zeros. A) 0.000...

A: The given number is 4.06×10-5   This can be written as    4.06×10-5 = 4.06105                      =...

Q: The length of the position vector r is 240mm. Determine the rectangular components of vector a and t...

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Q: The Galilean transformation as compared to the Lorentz transformation has no symmetry for the observ...

A: Galilean transformations and lorentz transformation are same at low speed

Q: Use Gauss's law to infer electric field due to uniformly distributed charges on long wires, spheres,...

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Q: What is the total current of the circuit? * 11.265 What is the current in the 20-ahm resistor? * 4.0...

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Q: When a certain quantity of helium gas contained inside and engine cylinder combusts, the expanding g...

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Q: where v'a - vB is the relative velocity of the two objects after the collision and vB (a) Show that ...

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Q: Three resistors are made out of three different materials and Material 1 0.00479 2 · m have differen...

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Q: Use the capacitances given below to find the equivalent capacitance. C = 180.µF, C2 = 140.uF, C3 160...

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Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.