metal

Q: A cylindrical object (I =mr?) rolls down a ramp. %3D a Derive an expression for the linear accelerat...

A: (a) ∑ F= mamgsinθ-f = ma

Q: a) The voltage across a 10µF capacitance is ve = 150 sin( @t - 50°) volts and %3D Frequency equal to...

A: C = 10 * 10-6F Frequency (f) = 50 Hz

Q: My questionesn is in the picture.

A:

Q: A cylindrical object (I =mr?) rolls down a ramp. %3D a Derive an expression for the linear accelerat...

A: Torque = force x perpendicular distance  The second equation of motion is  s = u t + 0.5 at2 where, ...

Q: Constants An aluminum bar has the desired length when at 14 °C. Part A How much stress is required t...

A: Solution

Q: can you do a + b and cut 2 answers from my account ?

A: Length , L = 30 m T1 = -10 °C = 263 K T2 = 40 °C = 313 K Thermal expansion , α = 17 x 10-6 K-1 

Q: A 50 N force is applied to the system for 15 seconds that makes the system displaced for 150 cm from...

A: Given data: The applied force is, F= 50 N The time for which force is applied is, t= 15 sec The disp...

Q: A cylindrical object (I =mr) rolls down a ramp. %3D a Derive an expression for the linear accelerati...

A:

Q: The index of refraction for orange and red light in crown glass are respectively 1.514 and 1.512. Th...

A: Given data: For crown glass: Refractive index of orange light in crown glass, nOrange=1.514 Refracti...

Q: A constantan wire of length 12 m and having A) a cross sectional area 1.3x10-4 m2 is converted into ...

A: A) The torque on a current-carrying loop placed inside the magnetic field is given by: τ→=n( m⇀×B)⇀=...

Q: 1. A test charge of -5.0 x 10-7 C is placed between other charges so that it is 50 mm from a charge ...

A: A) The net force on the test charge is F→net=F→12+F→13=keq1q2x2i^-keq1q3x2i^=keq1x2q2-q3i^ F→net=8.9...

Q: What will happen to the current in this purely capacitive circuit as frequency increases? 5 V RMS 0....

A: We know that, in a purely capacitive circuit if frequency increases the current also increases. Expl...

Q: I Revi (Figure 1)In each case let w be the weight of the suspended crate full of priceless art objec...

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Q: A circuit has a resistance of 12 Q and capacitive reactance of 16 Q in series. If the applied voltag...

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Q: The process of transfer of heat in liquid and gas is called as

A: RADIATION in radiation energy (heat) is transfer in from of electromagnetic wave.  and it does not r...

Q: Thermal equilibrium is there if a. None of these b. Pressure remains constant O c. Temperature remai...

A: when two systems which are in physical contact with other but there is no net flow of thermal energy...

Q: i) In an AC Circuit , the peak value of current is 5 A and its frequency is 50 Hz . Estimate the tim...

A: This is a question regarding AC source, capacitive reactance, inductive reactance and Impedance. 

Q: Identify the unknown particle X in the following nuclear reaction equations. (Enter your answers in ...

A: In nuclear reaction mass number and and charge (charge ) both conserved

Q: Consider a uniformly charged, perfectly spherical bowling ball of radius 15cm centered at some origi...

A: Using Gauss law .

Q: 5. A sled is pulled along an ice-covered lake. The mass of the sled is 25 kg. The net force acting o...

A: Mass , M = 25 kg Force , F = 31 N Time , T = 5 sec To find = Speed after being pulled for 5 sec

Q: How many moles of water are there in 1.000 L at STP? Express your answer using four significant figu...

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Q: In pure inductive circuit, the power is O a. minimum b. maximum C. zero O d. infinite

A: In pure inductive circuit, phase angle will be: Phase angle = arctan (XL/R) Here R = 0, So  phase an...

Q: Constants 58.0 L of oxygen at 18.0 °C and an absolute pressure of 2.55 atm are compressed to 41.6 L ...

A: Answer :-  Given , initial volume of  gas(V1) = 58.0 L  Final volume of of gas ( V2) = 41.6 L  Initi...

Q: b) Find the total inductance (LAB) for the given circuit.

A: Total inductance will be 24.16H.

Q: 13° below zero on the Celsius scale is what Fahrenheit temperature? Express your answer using two si...

A: A) Temperature on celsius scale = - 13oC   

Q: A 28 kg potter's wheel is disc-shaped, has a radius of 35 cm, and is spinning freely. A 16 kg spheri...

A: When no external torque is applied, the angular momentum is conserved. The moment of inertia of the ...

Q: A charge q, = 5.00µC is at the origin, and a second charge q2 = -3.00µC is on the x-axis 0.800 m fro...

A: Given data: The charges are, q1= 5 μC=5×10-6 C q2= -3 μC=-3×10-6 C The position of the charges are, ...

Q: Physics Question

A: As per guidelines, the first question is answered. For the remaining question to be answered, post t...

Q: A speedboat increases its speed uniformly from 20 m/s to 30 m/s in a distance of 200 m Find (a) the ...

A:

Q: Radian/second (rad/s) is the unit of O a, angular acceleration O b. angular velocity O c.angular dis...

A: SI unit of Angular acceleration = rad/s^2 SI unit of Angular Velocity = rad/s  

Q: Q22 - A strong magnetic field is applied on a stationary electron. Then the electron   a. move...

A: given  electron is stationery mean velocity of electron v=0m/s strong magnetic field is applied equa...

Q: An air puck of mass 0.21 kg is tied to a string and allowed to revolve in a circle of radius 0.8 m o...

A: a)T=m2*g=1.2*9.8=11.76 N b)F=T=11.76 N  

Q: A bicycle traveling at 2 m / s in a circular path and 2 turns in all parts of the path, the radius o...

A: Given values:- Velocity of bicycle,(v)=2 m/sec -----(1) Number of turns,(N)=2 turns ----(2) Let us c...

Q: Calculate the clock-wise and anti-clock wise torques to check whether the sea-saw shown in Figure-3 ...

A: Force due to boy sit on left side of sea-saw= 200N Distance of boy sit left side=3 m Force due to bo...

Q: Substance A has a higher specific heat than substance B. With all other factors equal, which require...

A:

Q: An ideal gas with an initial pressure of 1.5 ×10° Pa and an initial volume of 8 m³ expands isotherma...

A: Initial pressure Pi= 1.5×10^5 Initial volume Vi= 8 meter cube Final volume Vf= 7.5 meter cube

Q: Physics Question

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Q: Q19 - The total impedance of a circuit decreases when an inductor is added in series to an RC circu...

A:

Q: A crate is dragged across an ice covered lake. The crate accelerates at 0.5/s^2 and is pulled by a f...

A:

Q: Suppose a particle of mass m is moving in a one-dimensional potential of a kind -20<x<2a- = (x)A- ot...

A: The Energy eigenvalue of a particle inside a potential well of side 'a' is given by: En =n2π2ħ22ma2 ...

Q: Calculate the work done in pushing a box tl ance of 50 m against the force of friction e

A: Given values:- Distance,(d)=50 m ----(1) Force of friction,(F)=250 N ----(2) Suppose (W) be the work...

Q: The work done in changing volume of a gas from 1.5 m' to 6.7 m' in an isobaric process (at constant ...

A: SOlution: Given that V1 = 1.5 m3 V2 = 6.7 m3 Q = 10.5x105 J    

Q: Pleas Eq seer correctly this question have been answer wrong twice. Please please answer both part

A: young's modulus of material y=stressstrainy=(150-15)MPa0.02-0.001y =1350.019y = 7105.26 MPa7105.26

Q: At locations A and B in the figure, find the total electric potential due to the two-point charges.

A:

Q: Q10- The process of transfer of heat in vacuum is called as a. Conduction b. Convection c. ...

A:

Q: A rocket on Earth (with gravity) is not accelerating. If I shine a light across the spaceship it wil...

A: If the rocket is not accelerating, it is in an inertial frame. According to the postulates of the Sp...

Q: A cannonball is fired with the velocity of 20m/s at angle of 90 degree. The mass of the ball is 10 k...

A: Given, initial velocity (vo) = 20 m/s Projectile angle(a)= 90° Mass(m)= 10kg

Q: 1) Light is incident from benzene on an interface with ice. If the angle ofincidence in the benzene ...

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Q: In an AC Circuit, the peak value of current is 5.5 A and its frequency is 150 Hz. Estimatethe time t...

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Q: A hot copper pot of mass 2.0 kg (including its copper lid) is at a temperature of 150OC. Youpour 0.1...

A: Specific heat capacity of copper wire is Cc=377 J/kg0C, Specific heat capacity of water is CW=4186 J...

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.