What must be the radius (in cm) of a disk of mass 17 kg, so that it has the same rotational inertia as a solid sphere of mass 4 g and radius 3 m? Give your answer in whole numbers

Q: A 4500-kg spaceship is in a circular orbit 190 km above the surface of Earth. It needs to be moved…

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Q: An electric iron of resistance 3 ohms takes a current of 4 A.Find the heat developed in 2 seconds.

A: Introduction :   In this question we are provided it value of current, resistance and time . With…

Q: Q7. You push a 100-kg file cabinet up on a ramp with a force of 500 N, your push force is parallel…

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Q: Given two particles with Q = 2.90-μC charges as shown in the figure below and a particle with charge…

A: Note: As per the guidelines, we can only answer three subparts of a question. Sorry for the…

Q: 8. An object of mass 0.54 kg is attached to a horizontal spring, with spring constant 40.0 4.10 cm…

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Q: A car with bad shock absorbers bounces up and down with a period of 0.5 s after hitting a bump. The…

A: Hi, you have submitted multiple questions and it is not specified in which problem you need help.…

Q: q P -2q Two charges +q and -2q are placed on opposite corners of a square with side length 19 cm.…

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Q: 30° 2 m m 1. FREE BODY DIAGRAM (F= ma) 2. What is the Tangential Acceleration? (at) 3. What is the…

A: Given:-  The length of the string is L = 2 m  The Tension of a string is 2.5 times the weight of the…

Q: original length of 5cm. The string is bulled by a 70 N force. If the final ength of the spring is…

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Q: An electron that has a velocity with x component 1.7 x 106 m/s and y component 3.7 x 106 m/s moves…

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Q: (a) A cosmic-ray proton in interstellar space has an energy of 21.0 MeV and executes a circular…

A: a) Charge of a proton q = 1.6*10-19c Given, energy E = 21.0MeV = 20.1*106eV                        E…

Q: An aluminum wire having a cross-sectional area equal to 2.00 x 10-6 m² carries a current of 7.00 A.…

A: No no n no

Q: The given table shows initial lengths, as well as changes in temperatures and lenghts of 3 metal…

A: When the temperature of the rod of length L whose coefficient of thermal expansion is α , is changed…

Q: Calculate load can be applied at other end ?

A: Given.  Load of lever,= 200 cmEffort= 20 kgfEffort at arm= 50 cm Calculate the laod can be applied…

Q: Draw a diagram to show the reflection

A: Given, Reflection of a light ray incident normally on a plane mirror,  Explain with figure.

Q: In the figure particle 1 (of charge +9.48 mC), particle 2 (of charge +9.48 mC), and particle 3 (of…

A: Solution:-

Q: Consider the figure below. (Let R₁ = 2.70 2, and R₂ = 2.50 2.) 24.0 V 12.0 V R₁ W 4.00 23 Is www…

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Q: A trolley, while going down an inclined plane, has an acceleration of 2 cm/s2. What will be its…

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Q: Two wires have the same resistance and diameter. If the wires are made of platinum and copper with…

A: Let the resistance of each wire = R Let the diameter of each wire = d The resistivity of platinum =…

Q: Initial Velocity 0 km/hr 0 m/s 25 km/hr Final Velocity 24 km/hr 35 m/s 1200 km/hr Time 3 s 5 s 2 min…

A: Acceleration is calculated as  Acceleration , a = (Final velocity - Initial velocity )/Time  When…

Q: The value of work done is 514 J and displacement is 76 m. Determine the force applied.

A: Introduction :  In this question we are provided it value of displacement and work done . With these…

Q: Which of the following is not the unit of energy .A kg m .B kcal .C Watt .D Watt hours

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Q: In air-standard diesel cycle shown in the figure, Consider N mol of an ideal monatomic gas, QL is…

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Q: In the figure R₁ = 5.52 0, R₂ = 16.6 Q, and the ideal battery has emf ε = 12.9 V. (a) What is the…

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Q: = 20 A block of mass m = 10 kg sits on a frictionless ramp that has inclination angle degrees. A…

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Q: The average high temperature for March in Moose Jaw , Saskatchewan is -1 degrees Celsius. Find the…

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Q: 12. A vertically mounted spring (k = 750 N/m) is compressed by 30.0 cm relative to its unstrained…

A: Spring constant = 750N/m Initially compression in spring =30cm Given mass =0.24kg Height =10.76m

Q: The figure shows an electric dipole. What is the magnitude of the dipole's electric field at point…

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Q: The lower half of a 10-m high cylindrical container is filled with water and the upper half with oil…

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Q: 3. If the viscosity of water is 0.75 cP and density of liquid copper is 8,960 kg/m^3 how much water…

A: For non-turbulent, non-pulsatile fluid flow through a uniform straight pipe, the volume flow rate…

Q: Question 3: A charge +q is placed at one of the vertices of a cube. To find the flux through one of…

A: in this question we determine flux simple equation.

Q: Suppose vectors u and v lie in the xy-plane (the 2- component of each vector is zero). Now suppose…

A: Required  direction of u x v

Q: If a Ferrari with an initial velocity of 10 m/s, accelerates at race of 50 m/s² for 3 seconds, what…

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Q: x QUESTION 5 The graph shows the x-component of Fx of a force acting on a particle moving along…

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

Q: A car accelerates from 25 km/hr to 55 km/hr in 30 seconds, what is the acceleration?

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

Q: One long wire carries current 40.0 A to the left along the x axis. A second long wire carries…

A: in this question we use simple magnetic field equation  at different positions as given.

Q: THUMBS-UP WILL BE GIVEN! WRITE THE COMPLETE SOLUTIONS (2 DECIMAL PLACES with units) CALCULUS-BASED…

A: We have two point charges of magnitude q1=-6 nC and q2=4 nC placed at the origin and r=0.80 m…

Q: The weight of a body of mass 8 kg on moon is 30 N. If a boy of mass 20 kg goes from earth to the…

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Q: An iron block weighs 5N and has a volume of 200 cm3. What is the density of the block in kg/m3

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Q: A 0.35 kg block rests on a frictionless horizontal countertop, where it is attached to a massless…

A: Given:-  The mass of the block is m = 0.35 kg  The spring constant is k = 22.0 N/m   The block is…

Q: A square loop of each side as 'a' and a circular loop with the diameter of length 'a' lie in the…

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Q: A bar has a linearly increasing density, so the density at one end is five times the density at the…

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Q: Consider the current-carrying wire shown in the figure. The current creates a magnetic field at the…

A: magnetic field at center only due to circular arc B = μ0I/2R(θ/360°) B =  μ0I/2R(30/360°)

Q: An electromotive force E(t) = {120 (120, 0SIS 20 1 > 20 is applied to an L-R series circuit in which…

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

Q: A cyclist travels a distance of 2 km in the first hour, 0.6 km in the second hour and 0.2 km in the…

A: Note: Dear student, cyclist can travel 0.2 km in third hour rather than second hour. I think there's…

Q: What will be the potential energy 4kg mass kept at height of 3.2 m. Take g = 10 m/s²

A: Given mass(m)=4 kg Height (h)=3.2 m Required Potential energy

Q: If a baseball is thrown at 170 m/s² and it's mass is 0.80 kg. What force is necessary to change its…

A: Introduction :  In this question we are provided it value of acceleration and  mass . With these…

Q: Find out the Resultant Moment of two forces shown in Fig. (2) about point O. Fj - 300 N 50 cm SON 50…

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Q: What is the acceleration produced by a force of 680 N exerted on an object of mass 70 kg.

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Q: A steel wire with mass 26.7 g and length 1.62 m is strung on a bass so that the distance from the…

A: Note: As per the guidelines, we can only answer three subparts of a question. Sorry for the…