Find the length and direction (when defined) of u xv and v xu. u = 5i - 2j - 6k, v = 6i – 6k The length of uxvis

Q: A jet airplane is 70.0m long as measured in the jet airplanes's reference frame. If it m races by us…

A: Given: The length (L0) of the jet airplane is 70 m. The speed (v) of the jet airplane is 245 m/s.…

Q: motorboat is crossing a river that flows eastward at a speed of 5 kph. If the boat needs to maintain…

A: Given:- The speed of the river in the east direction is v→r= 5i^ km/h The speed of the boat in the…

Q: The position of a particle in space at time tis: r(t) = (sec(t)) * i + (tan t) * j + 4/3 tk. Write…

A: Given: The position of the particle is  rt=secti+tantj+43tk…

Q: Determine the components of the reactions at D and E if the frame is loaded by a clockwise couple of…

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Q: An object moving with a speed of 6.25 m/s, is decelerated at a rate given By dv dt= −2.5√v where v…

A: Given value--- An object moving with a speed of 6.25 m/s, is decelerated at a rate given By dv dt=…

Q: The force F= 450 lb acts on the frame. Resolve this Iorce into components acting along members AB…

A: “Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Is there any point on the trajectory where v and a are parallel to each other? If so, where? Essay…

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Q: The sidewalk is 50.0 m long and is moving at 1.25m/s. How long will it take a passenger walking at…

A: Given data: Length of sidewalk is, d=50.0 m. Speed during side walk is, v1=1.25 m/s. Speed of…

Q: Let Á=6i-8j, B=-8i+3j , and the variables a and b. Ć=26i+19j . If aÃ+bB+C=0 , calculate

A: Given:- A→=6i^-8j^B→=-8i^+3j^C→=26i^+19j^ aA→+bB→+C→=0 Find:- value of a and b

Q: a = (2, -4, 4), b = (4, 0, 3) and c = a × b, what is the magnitude of c?

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Q: Under what condition is | A - B | = A + B?

A: Condition A-B=A+B A-B=A2+B2-2ABcosθwhen θ=180°A-B=A2+B2-2ABcos180°          =A2+B2+2AB…

Q: A projectile is fired vertically from point A with an initial speed of 205 ft/sec. Relative to an…

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Q: At time t sec, the positions of twoparticles on a coordinate line are s1 = 3t3 - 12t2 + 18t + 5 mand…

A: Given: s1=3t3-12t2+18t+5s2=-t3+9t2-12t The particles have same velocity, thus, ds1dt=ds2dt

Q: An example of a frame of reference would be O A moving airplane All of answer are correct O A person…

A: The frame of reference is a reference frame that may be a moving airplane, a person, and the Earth.

Q: v 0.0000V R÷150.00mA ww 250 PR2 C v 3.7500V R150.00mA www 7592 PR4 S 0 3 PR3 v 15.000V 8150.00mA ww…

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Q: An athlete crosses a 25-m-wide river by swimmingperpendicular to the water current at a speed of 0.5…

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Q: Derive Equations 1 and 2

A: Consider a diagram below. Here, VS is the source voltage, VMA and VAB­ are the potential drop…

Q: Can a particle be in equilibrium in a non-inertial frame?

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Q: given by 4v. How long will take the ball to reach the ground? what will be its velocity at that…

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Q: Two cars are moving towards an intersection. One car is 180180 meters north of the intersection and…

A: Given,  y0=180180 m dydt=-1313 m Is (Going towards) x0=6060 m dydt=1010m/s (Going a way) t=55 sec…

Q: Suppose that a person is 20.00 y older than their sibling. The person wants to travel outward from…

A: We have to use concept of time dilation here.

Q: A man standing still at a train station watches two boys throwing a baseball in a moving train. The…

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Q: Use: F = 615 N 30 Resolve F into components along the u and v axes and determine the magnitudes of…

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Q: Show that a particle, located at the origin at t = 1 and moving along the x-axis with velocity v(t)…

A: v=t-1/2drdt=t-1/2∫0rdr=∫1Tt-1/2 dtr=2T-1if T>>1, we can ignore 1r =2Tfor a sufficiently great…

Q: Two rockets of rest length 3m are the approaching the carth from opposite direction at velocities 15…

A: Given data, Rest length of each rocket = 3 m Velocity of each rocket = 1.5x108 m/s

Q: A particle has a kinetic energy 20 tumes its rest energy Find the speed of the particle in terms of…

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Q: A tank gelative to the station It fized hosizontal porjectile ewith initial Velocity 350km/b aind…

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Q: A person riding in a subway train drops a ball from rest straightdownward, relative to the interior…

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Q: Playing jackstone as a kid, you discovered that there is a certain time before the rubber ball falls…

A: The initial velocity, u=5.39 m/s   Height, h=51.96 cm=51.96×10-2 m

Q: A proton is accelerated in a linear accelerator. If the accelerator is 0.80km long, how long does it…

A: Given data:  Displacement (Δx) = 0.80 km = 800 m Initial velocity (v) = 0 m/s Final velocity (v0) =…

Q: Make g the subject in Ep=mxgxh

A: Given equation : Ep = m × g × h to make g as subject:

Q: Find Xb b/2 ト ノナ

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Q: Find the minimum speed of a particle with trajectory c(t) = (t³ – 3t, t² + 1) for t > 0. Hint: it is…

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Q: particle experiences? 1.59 Check your evaluation of the cross product as this is a likely source of…

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Q: Ship A and Ship B leave the port at the same time. Ship A sails on the course of S59°W at 3.9 knots…

A: Given that:Velocity of ship A: v=3.9 knots in 59° West of south  (1 knot= 1 nmi/h)dB=12.1 nmi…

Q: Can the displacement vector for a particle moving in twodimensions be longer than the length of path…

A: Displacement vector is the straight line distance between the starting point and ending point of the…

Q: Car A is due north of Car B. In the Earth frame, Car A is moving south and Car B is moving East.…

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Q: The force F= 450 lb acts on the frame. Resolve this Iorce into components acting along members AB…

A: SOlution: gievn that F = 450 lb find teh force along AB and AC

Q: given by 4v. How long will take the ball to reach the ground? What will be its velocity at that…

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Q: Question 2: Determine the horizontal and vertical components of reaction which the pins exert on…

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Q: % Difference between largest and smallest velocities = L0243-4137 Ca0293+o4137 1A BI A+B x100%= 100%

A: To find percent difference between largest and smallest velocity.

Q: an airplane flies between two points on the ground that a re 500km apart. the destination is…

A: Let the north point towards positive y-axis and the east point towards positive X-axis.

Q: Do the complete derivation for Equation when the source and receiver are receding with relative…

A: Given :   complete derivation for Equation when the source and receiver are receding with relative…