A metallic plate, 15 cm by 50 cm in size, is heated from 20°C to 220°C. If the plate is made of steel (? = 11 x 10-6/°C), what is its change in area?

Q: In the figure below, the switches S, and S, are closed simultaneously at t = 0 and a current starts…

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Q: 2. A playground is on the flat roof of a city school, 6.00 m above the street below. The vertical…

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Q: Use the data of this table to find the point between Neptune and the Sun at which an object can be…

A: We have mass Sun M1=1.991*1030kg, mass of Neptune M2=1.03*1026kg and distance between the Sun and…

Q: B A coin sits on a rotating turntable as shown in the figure. At the time shown in the figure, which…

A: We need to say what the direction of friction will be on the coin on turntable.

Q: A string on the violin has a length of 19.80 cm and a mass of 0.0752 g. The fundamental frequency of…

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Q: 13. A very big truck collides with a small sports car. which experiences the greater acceleration?…

A: given:- a very big truck collides with a small sports car .

Q: Mickey, a daredevil mouse of mass 0.0189 kg, is attempting to become the world's first "mouse…

A: Given: In this question, the given details are, Mickey, a daredevil mouse of mass 0.0189 kg, is…

Q: 1. A spring mass system is placed on smooth horizontal table. From equilibrium position the mass is…

A: Given tAB=2secM=200g=0.2 KgU=total energy=0.9 J

Q: A 9.00 pF capacitor is connected in series with a 6.00 pF capacitor and a 850 V potential difference…

A: Given:-  The two capacitance are as  C1= 9 pF C2= 6 pF   The capacitance is in the series and the…

Q: 18. The necessary conditions for the equilibrium of an object is a) ΣF=0 and Στ0 b) ΣΤ= 0 and Σ Ιω-0…

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Q: What is the focal length (in cm) of a magnifying glass that produces a magnification of 3.85 when…

A: Given: Magnification, m = 3.85Object distance, u = 4.75 cm Need to find focal length, f

Q: As 3 4 2.

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Q: Find the total capacitance (in µF) of this combination of series and parallel capacitors shown…

A: Given Here capacitance of the three capacitors are given as C1=15 μF, C2=8.5 μF and C3=0.80 μF   We…

Q: Consider a sound wave moving through the air modeled with the equation s(x, t) = 3.00 nm cos(55.00…

A: Given:      Sx,t=3nmcos55m-1x-14×103s-1tHere wave number k=55 m-1       And…

Q: find the inertia tensor about the origin, and find the principal moments of inertia and the…

A: The tetrahedron bounded by x + y + z = 1 and the coordinate ­planes. To compute the moment of…

Q: The magnitude of the magnetic field 47 cm from a long, thin, straight wire is 6.8 µT. What is the…

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Q: 1. Point charges of 5.00 µC (micro coulombs) and -3.00 µC are placed 0.250 m apart. Where can a…

A: Q1 = 5 × 10-⁶ C Q2 = - 3×10-⁶ C  d = 0.250 m

Q: 17. An FM radio station broadcasts at 96.7 x 10° Hz. What is the wavelength of the radio wave used…

A: Given data : Frequency, f=96.7×106 Hz Standard data: c=3×108 ms-1