The sound 30m from a jet airplane is 140 dB. Estimate the loudness at 300m (ignore any reflections from the ground). A 120 dB B 130 dB C 1.4 dB D 133 dB E 14 dB

Q: The vectors A and B are given by: A= 5 i - 3 j, and B=4i- 5 j. Find the direction of: C = A+ B (Mark…

A: The two vectors are , A = 5i - 3j , B = 4i - 5j To find = Direction of C = A + B

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A: Lines parallel to the vertical direction are called vertical lines. Vertical lines are normal to…

Q: 1. A skier leaves the end of a ramp with a velocity of 25.0 m/s 30.0° above the horizontal off a…

A: velocity of skier v = 25m/s and the angle θ = 30° The height of the ramp d = 95m

Q: The horizontal and vertical components of velocity vector ?⃗ are given as follows: Ax = 10.5 m/s and…

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Q: Q3: Given that z= 5+i 12, find Vz.

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Q: 3. A man walks 95 km East then 55 km North. Calculate his resultant displacement and direction.

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Q: Below figure shows, two vectors P= 50 m and Q = 80 m are acting on a point as shown below. Write…

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Q: Children playing in a playground on the flat roof of a city school lose their ball to the parking…

A: height of playground (h') = 5.30 m height of vertical wall (h) = 6.80 m Launch angle (θ) =…

Q: What is the resultant magnitude when adding the two vectors below 23 N 23 46 23 /2 529 N EZ

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Q: Using the standard cartesian coordinate system, which of the following vectors have a NEGATIVE…

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Q: The following are statements that describe Electric Potential EXCEPT: A potential energy per unit…

A: 3) electric potential = V =Uq 4) potential  energy = U =K q1q2r

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Q: A car slows down with an acceleration that has a magnitude of 3.3 m/s². While doing so, it travels…

A: We’ll answer the first question since the exact one wasn’t specified. Please submit a new question…

Q: Vector 425 km/h S of E velocity x-component y-component

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Q: A body is launched straight upwards with an initial velocity of 1400 ft/s. what is its velocity at…

A: given      initial velocity ( u ) =1400 ft /s      distance it moved = 30000 ft       assuming no…

Q: An object has an initial velocity of 16 m/s in the horizontal direction and 12 m/s in the vertical…

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Q: Determine the (f_y) of Hypotenuse aright triangle when (F=100 lb, X=3, Y=4) .A 79lb .B 80lb .C 80 .D…

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Q: Which of the following shows the correct resultant of A and B using parallelogram method? A) B) A R…

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Q: A 600 N freshman was shot out of a cannon at an upward angle. He landed 2.5 s later in a net at the…

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Q: A soccer ball (mass = 0.40 kg) is kicked from the ground and given an initial velocity of 21 m/s at…

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Q: The magnitude of the resultant of the vectors shown in figure is 5 N 7N

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Q: A particle's position as a function of time is given by F= (6.08m + 1.01프2)i+(-5.52프t+0.722 +1.01e)…

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Q: Find the x- and y-components of the vectors, C where C-A-B. Notice that we are subtracting the…

A: The magnitude of the vectors could be added algebraically if they are parallel to each other.…

Q: Hence show that the wave equation for the magnetic field in free space is V²H+k²H = 0 where k = w√…

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Q: A volcano erupted and spit a rock in the atmosphere at an angle of 35 degrees with the horizontal…

A: In this question we have to find the angle of the rock before it hits the ground. Please give…

Q: F = 550N 160 mm 240 mm 440 mm y 380 540 mm mm

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Q: 1A = 6 cm B = 5 cm 60 30° 30° C=4 cm D= 2 cm In the figure above (a) Find the x and y components of…

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Q: Is the acceleration of a projectile equal to zero when the projectile reaches the top of its…

A: Let us consider air resistance is negligible, acceleration of the projectile is equal to the…

Q: 6. For the vectors shown below, determine A+B-C. B10 mis C- 15 m/s 30 60 A-50mis

A: Given : A = 5 m/s towards positive x-axis B = 10 m/s at an angle of 60° with the positive x-axis C =…

Q: A cannon at the edge of a 20-m-high cliff shoots a cannonball with an initial speed of 50 m/s at an…

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Q: Find the acceleration ??

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Q: What is the magnitude of the sum of the two vectors A and B, when A 26 N at 30° and B = 43N at %3D…

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Q: Determine the magnitude of the vector V and the angle e which vector V makes with positive x-axis?…

A: Calculate the angle of V1. θ1=tan-134=36.87 Write the expression for the unit vector notation of…

Q: Refer to the image at the right. True or False? Ả + B = 0

A: Vector A and Vector B have equal magnitude and are anti-parallel vectors. Thus, their addition will…

Q: 12. A rescue airplane is rising at an angle of 30° above the horizontal with a speed of 300 m/s. It…

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Q: 6. For the vectors shown below, determine A +B - C. B- 10 mis C= 15 mis 30 60 A-5.0 mis

A: Given : A = 5 m/s towards positive x-axis B = 10 m/s at an angle of 60° with the positive x-axis C =…

Q: 3. Show that d de z P n p ² n n dt 7.2 n du d³ n dt 1.3

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Q: please help me with this physics

A: In this question the given quanteties are                Range off projectile is   R=189m…

Q: A= 2i + i. B=i- 4i +k. and C=i+k.

A: If we need to measure direction of given vector A= Axi + Ayj above x axis  direction theta =…