How much heat is required to melt 7.9 kg of gold that is initially at 55°F? Format Check (include units with answer)

Q: A double-slit system with individual slit widths of 0.0250 mm and a slit separation of 0.150 mm is…

A: Given: Individual slit width: Slit separation: Wavelength of light:

Q: Using the following values: North and West are negative and east and south are positive. Lola walks…

A:

Q: could you simplifiy the original amswer

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Q: In the figure here, a block of ice slides down a frictionless ramp at angle 8-53.0° while an ice…

A: Here is the explaination in the given image

Q: Two metal cubes, one copper and one aluminum, with 4.8 cm long edges, are arranged in parallel as…

A:

Q: Forensic Scientists use a "ballistic pendulum" to determine the speed of bullets as they leave the…

A:

Q: How can you tell if a coin is biased

A: For an unbiased coin, it has probability one half when it comes up head and probability one half…

Q: A mass spectrometer is being used to separate common oxygen-16 from the much rarer oxygen-18, taken…

A: In this question we are given that a mass spectrometer is being used to separate common oxygen-16…

Q: Assume the average value of the vertical component of Earth's magnetic field is 48 µT (downward) in…

A: Given, magnetic field B = 48 μT = 48 × 10-6 T area A = 3.10 × 105 km2 = 3.10 × 105 × (103 m)2…

Q: X N α В y If the magnitude of a force is P = 11 lb and direction angles are 3 = 104° and y = 34°,…

A:

Q: Electrosurgical units (ESUS) supply high-frequency electricity from resonant RLC circuits to cut,…

A: Given information: Inductance(L)=1.45mu.H Capacitance(C)=49.0nF Resonance frequency(f)=1.23MHz

Q: In the figure, first-order reflection from the reflection planes shown occurs when an x-ray beam of…

A:

Q: Isn't it 16 at the bottom?

A: Yes, it will be 16 in the denominator.

Q: The cart shown below moves across the tabletop as the block falls. The acceleration of the cart is…

A:

Q: In a two-slit interference pattern, what is the ratio of slit separation to slit wid bright fringes…

A: Given values:- Number of bright fringes,(n)=11 ----(1) Also, we know the central diffraction…

Q: mass of 2.90×10-2 kg. It is attached to a massless cord passing through a hole in the surface…

A: Mass of the block, The initial radius of the circular path is The final radius of the circular path…

Q: A skier is pulled by a tow rope up a frictionless ski slope that makes an angle of 20° with the…

A: Given: Skier moves with constant velocity. Distance moved up the ramp = 6.7 m Speed 1 = 0.99 m/s…

Q: A. A block of mass M rests on an inclined plane with a smooth surface forming a angle of 37 with the…

A: m = 4.5 kg h = 2 m t = 1.5 s Let the tension in the string = T Unknown mass = M Angle of incline =…

Q: Continuing with the previous question... Imagine four narrow-band detectors are available to…

A: Introduction: Narrowband implies that the channel under consideration is sufficiently narrow that…

Q: A laser is shining through narrow, equally spaced slits onto a screen, forming bright and dark…

A: To determine: the effect of increase of number of slits on the shape of bright fringes.

Q: 16: A book of mass 0.55kg is lifted from the floor to a height of 3.5m at a constant velocity. ow…

A: m=0.55 kg    h=3.5 m    upward    Potential energy = negative work done by gravitational force

Q: A 392 N wheel comes off a moving truck and rolls without slipping along a highway. At the bottom of…

A: Answer:- Given Weight of the wheel (w) = Mg = 392 NMass of the wheel (M) =( 392 N)/( 9.8 m/s2) = 40…

Q: The above inductor consists of two solenoids (radius b, n tums/meter, and radius a, 2n turns/meter)…

A: Concept used: Self inductance is given by ratio of magnetic flux to current through inductor.

Q: 5. A cannon fires a projectile perfectly horizontal with initial speed of vi = 40m/s. The cannon…

A: Given:- The cannon fires a projectile perfectly horizontal with initial speed vi = 40 m/s  The…

Q: Find the magnetic field (positive magnitude only, no direction) at point P. I = 0.450 A O %3D 0.150…

A: A current carrying conductor produces a magnetic field around it, given by the formula B=μoI2πrI is…

Q: Continuing with the problem above.A light source that is randomly polarized (e.g. the Sun) will be…

A: From Bruster's law we know  In order to the refelected ray to be  polarised it shhould follow : μ =…