Certain neutron stars (extremely dense stars) are believed to be rotating at about 1.1 rev/s. If such a star has a radius of 17 km, what must be its minimum mass so that material on its surface remains in place during the rapid rotation? Number IN i Units

Q: The maximum running speed (S) in km/hr and the corresponding body mass (m) in kg were determined for…

A: Unit of speed is km/hr Unit of mass is kg The relation between speed and mass is  S=5.7m2Unit of…

Q: Prof. Chini's research group uses short bursts of laser light to measure the motion of electrons…

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Q: But where do you derive the equation E=(K|q|)/r?  My book says E=(K|q|)/r^2.

A: According to general equation of electric field ,  E = kQr2

Q: Write down an expression for the acceleration of a satellite of mass m in a circular orbit of radius…

A: Solution:-Step 1:

Q: Express the following in terms of C, P, V, T and derivatives of these variables. (a) (aS/ƏT)G,N (b)…

A: According to the first law of thermodynamic : dU=mCVdT By Ideal gas law: PV=mRT   Entropy charge for…

Q: A metallic wire with resistance 8 0 , cross-sectional area 8.2×10-7 m², and conductivity o= 5.81×107…

A: Given, resistance R = 8 Ω             area A = 8.2 × 10-7 m2             conductivity σ = 5.81 × 107…

Q: A car travels at a steady 30.3 m/s around a horizontal curve of radius 111 m. What is the minimum…

A: Given: The speed of the car is 30.3 m/s. The radius of curvature is 111 m.

Q: For this problem, time is given by the variable t, position by s, area by A, and volume by V.…

A: (a) The position of an object is increasing at a rate, dsdt=30 m/s (b) The area of an object is,…

Q: The path r(t) = (t) + (21²-5) j describes motion on the parabola y = 2x2-5. Find the particle's…

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Q: Fg=750 ク ニ fC =430 Tawtant で)=拍+ Fc へ Fhally, H= ズメ こ %3D M = ニ 7 !!

A: This problem could be solved by vector laws

Q: your knowledge of acceleration, mass and force to explain how Student 1 could have slid the board…

A: Given:- Student 1 applied a force of 10 N to a wooden board in order to slide it across the table to…

Q: It is your responsibility to determine the three fundamental quantities.

A: solution   the three fundamental quantities are length, Mass, and Time.    and units of length,…

Q: Form the dot product of A=23N 37° and B = 14N -35°

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Q: Derive the relation between unit vectors of Cylindrical and Cartesian Coordinates? (Mathematical…

A: A general system of coordinates uses a set of parameters to define a vector. let x,y, and z are the…

Q: A vector→AA→has a magnitude of 44.0 m and points in a direction 20.0° below the positive x-axis. A…

A: The vector A is in the fourth quadrant since it is 20o below positive x axis. In the fourth…

Q: example of a space where there is not always a geodesic (i.e. a shortest path) between two points.

A: A metric space is said to be a geodesic space if every pair of points can be joined by a path of the…

Q: Consider the following 2D vector given in component form v = (5.8,7.2). At what angle is this vector…

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Q: why did you add instead of subtract in the cosine law?    follow up question to:  Kristopher…

A: In the given solution, the absolute angle 1250 is considered when we calculated the relative…

Q: What are the equations in Step 1 and Step 2? The original equations.

A: Given, A 23.0cm screwdriver is used to pry open a can of a paint.

Q: A = 10.0 R 35° 14 A B = 7.0 100 B B=-110° C = 8.0 Y = 30° tu 711 F = 20.0 P=110°

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Q: Let À = 3.92i + 4.41j and B = -3.02i + -2.43j. What is the angle between À and B measured in…

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Q: Consider the two vectors C⃗→ and D⃗→ defined as follows: C⃗=(2.35,−4.27) and D⃗=(−1.30,−2.21)…

A: C→ = (2.35,-4.27)D→ = (-1.30,-2.21)

Q: Let vectors: A=(1,0,−3) B=(−2,5,1) and C=(3,1,1).   Calculate A×(B×C) Calculate A⋅(B×C)…

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Q: The vector -5.2 A→ has a magnitude of 37 mm and points in the positive x direction. Find the x…

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Q: of hent/eOdffa07-fec9-4680-9977-aaad312b2 8. My Exit Ticket Enter the correct answer in the space…

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Q: Vector A = in spherical coordinate system at P(-23, -16, -2).   What is the magnitude of vector A…

A: To find the magnitude of vector A in the "z" direction in the rectangular coordinate system at P, we…

Q: A treasure map directs you to start at a palm tree and walk due north for 15.0 m. You are then to…

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Q: y Exit Ticket Enter the correet answer in the space provided. Three vectors begin at the origin…

A: A vector B is represented by the coordinates(x, y) can be written as, B→ = xi^ + yj^, where i and j…

Q: Is there any simpler solution to this? Without having to calculate so many variables?

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Q: A position-time graph for a particle moving along the x axis is shown in the figure below. x (m) 12…

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