If r = sint i+ cost j+tk, find dr d?7 (a) dt (b) dı?

Q: Is the formula dimensionally correct?  X= xi + vt2 + 1/2 at

A: Physical quantity depends on three base dimension- Mass [M], Length[L], and Time[T] Given expression…

Q: Suppose that f(t) = Qoa' = Qo(1 + r)' with f(5) = 72.8 and f(8) = 176.4. Find the following: (а) а…

A: f(t) = Q0at = Q0 (1 + r)t f(5) = 72.8f(8) = 176.4

Q: MN Lbs 47 degrees 28 degrees FN Lbs The resultant force is and the angle of direction from the…

A: Given Forces are given as MN=29 Lbs and FN=78 Lbs Angle of MN with positive x axis is θ1=47° Angel…

Q: A horse starts at x; = 2.3 m and finishes at xf = -8 m. The correct %3D %3D answer for the…

A: Kinematics

Q: m3 m2

A: Given m1 = 1 kgm2 = 2 kgm3 = 3.5 kg Force acting on block of mass 3.5 kg F = 34 N

Q: Calculate Fgy.* Fe gx (e = 20° F, gy F, = -4500 N 0 = 20° %3D

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Q: Is the formula dimensionally correct a =Ft/m

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Q: F = 250 1lb 30° 45° F, = 375 lb

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Q:  Find derivative of functions:

A: Given function is in the following format, y = f(x) / g(x) Derivative of y can be written as…

Q: asses ot use rounded intermediate values in your m2

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Q: Express F as a vector in terms of the unit vectors i, j, and k. Determine the angle between F and…

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Q: Which of the following equations are dimensionally correct?(a) v f=vi +ax(b) y=(2m)cos(kx), where…

A: To determine: Which of the following equations are dimensionally correct?(a) v f=vi +ax(b)…

Q: s is a distance with unit [L], t is a time with unit [T], and θ is an angle in radians.  Find the…

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Q: Qe Find the angle IF Ā =2i - 10j - 1ik , and À xB , CẦXB) Ã between the m B = 2 Á +2j+ k

A: as per our guidelines we are supposed to answer only one question. Kindly repost other question as…

Q: maximum error percentagee

A: This question is based on calculation of error .   As i can see  , values in  the options are…

Q: Is the formula dimensionally correct? x = x1+vt^2+1/2 at

A: The given formula is x = x1 + vt2 + 1/2 at The dimension of the velocity is given as, Similarly,…

Q: Is 53.99% acceptable I'm %error?

A: An error is acceptable or not depends on the type of experiment you are performing. It also depends…

Q: If P = r cos t and r sin t − 2ter = 0, find dP/dt

A: The given values are, P=rcostrsint-2ter=0rsint=2ter

Q: A surveyor measures the distance across a straight river by the following method: Starting directly…

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Q: Draw the a-t and vi graphs. s (m) 2 s = -21 +2 t (s)

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Q: Determine the resultant 10 lb 40° 650

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Q: Class Report Sheet dition & Resolution of Graphical R = Analytical F1x = degrees Fiy: %3D

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Q: fy キメ 1400 fz 70g

A: Basic vectors law of addition can be used to prove the required result as shown in next step.

Q: Which formula is equivalent to D = mD V V = m V O V = Dnm D V

A: Given formula -  D=mV     .....(1) Where,  D=Density  m=Mass V=Volume

Q: A=2i+5j+3k and B=-i+2j+3k Find : a) A.B b) A x B c) angle between A and B

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Q: Given z = xe−y, x = cosh t, y = cos t, find dz/dt.

A: To find: To find dzdtusing the given values of x, y and z

Q: If vox=12.73, voy=12.73, tup=1.30, ttotal=2.60, range=33.09, height =8.27 Find the  percentage…

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Q: Is the formula dimensionally correct? vf =(v1 + v2)/2

A: The unit of the velocity is m/s, therefore the dimensional formula of the velocity is [LT-1]. Here…

Q: A surveyor measures the distance across a straight river by the following method: Starting directly…

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Q: 50 rad/sec? to a) rev/min?, b) deg/hr2 , c) rev/sec?

A: To convert ω = 50 rad/sec2 to a) rev/min2 b) deg/hr2 c) rev/sec2

Q: 2D -2 D +2 2D

A: As the current distribution given in the figure.

Q: Which of the following equations are dimensionally correct?(a) νf = νi + ax (b) y = (2 m) cos (kx),…

A: (a) Consider equation provide in part (a). The left-hand side of the expression is: The dimension…

Q: • Which of the following equations are dimensionally correct? (a) Vf=v₁ + ax (b) y = (2 m) cos(kx),…

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Q: at angle 80 = 32 to the horizontal, fr

A: Given that:h=3.40 km=3.40×103 md=10.0 km = 10.0×103 mθo=32°Let the initial velocity is v and time of…

Q: b. v = 25 [N15°E] S N 15% = 25 m/s E

A: Given data: The velocity, v=25 m/s Direction, θ=150 NE Our question is to find the components of…

Q: Q1 : Check the correctness of the following formulae by dimensional analysis. F = mv² /r

A: Given:centripetal force.F=mv2rNow ,Using dimensional analysis.where,The mass =m=MThe…

Q: For f = p? cos 20, find V x (Vf).

A:

Q: Using component method, determine the resultants: A. 1.96 N at 359 degrees. B. 1.96 N at 170…

A: The given data are: F1=1.96 Nθ1=359°F2=1.96 Nθ2=170°F3=4.9 Nθ3=269°

Q: 1 atm = 1.013 x 105 Pa ? %3D true

A: 1 atm is the normal atmospheric pressure which in SI unit can be given as  1 atm=101325Pa =1.013×105…

Q: 4. A cockroach crawls 4.5 mm South, 3 mm E 40° N and then 4.8 mm to the West. Compute the…

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Q: UAM - Horizontal Dimension V = Vi + aAt Ad = 1/½ (V;+V;) At V2 = Vi? + 2aAd Ad = Vi At + 1, aAt“

A: Here, we have a picture. On the picture, some formulas are given. We have to derive the fourth…

Q: A Vector Bb is 1 inch long and has a direction – sense of 45 deg. Vectore Cc is 1  ½ inch long and…

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Q: = 9c = negative and qb= qd = positive = qd = negative and qc = qb= positive Answer Bank qa=qc =…

A: Please post the remaining questions separately!

Q: If s=t, 'f' has the dimensions of: (A) ML'T'] (B) (M'L'T] (C) (M°L'T] (D) (ML"T)

A: Given relation--- S = 1/3 ft3 . We have to find--- dimensions of f ?