1)What are the 2 principles in Physics taht are very important in the study of any science that deals with mass and energy? 2) Why are these 2 principles so important?

Q: A 65.0-kg file cabinet of is sliding down a rough ramp for a distance of 5.00 m as shown. The…

A: Mass of cabinet, m = 65 kg Friction force, f = 75 N Distance traveled, d = 5 m

Q: Two 3.90 kg balls are attached to the ends of a thin rod of length 29.0 cm and negligible mass. The…

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Q: y 4 m y = 4 16 -8 m Consider the area in . 9:49 am ✔

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Q: Unpolarized light of intensity 20 W /cm/ is incident on two polarizing filters. The axis of the…

A: Given the intensity of the unpolarized light beam Io=20W/cm2  first it passes with the polarizer…

Q: 5. A 19 kg curling stone is sliding along the ice at 4.6 m/s [E 10° S] when an errant hockey puck…

A: The mass of the stone is ms=19 kg The initial velocity of the stone is vi,s=4.6 m/s E 10° S The mass…

Q: is given that W=(1)/(2)m(v^(2)-u^(2)). (a) Find W when m=3,u=4 and v=10. (b) Express u in terms of…

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Q: A 2.0-m-long, 1.0-mm-diameter wire is suspended from the ceiling. Hanging a 4.5 kg mass from the…

A: The length of the wire is 2.0 m. The diameter of the wire is 1.0 mm. The mass of the hanging object…

Q: A beam of light is emitted from a source that is submerged in a fluid with an index of refraction of…

A: Given refractive index of fluid = 4.27 refractive index of air =1 we have to calculate the minimum…

Q: 8. Calculate the speed of sound in a string that has a tension of 100 N and a linear mass density of…

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Q: Discussion Question 1. use Snell's Law to calculate the index of refraction of the acrylic…

A: The index of refraction (n) of a material can be calculated using Snell's law, which relates the…

Q: The volume charge density of a spherically charged cloud changes with the distance to the cloud…

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Q: Consider the system shown in the figure below with m1 = 23.0 kg, m2 = 10.6 kg, R = 0.150 m, and the…

A: Let, T1=Tension in the cord on m1 side       T2=Tension in the cord on m2 side   Sum of torque about…

Q: The refractive index of a certain glass is 1.66 For what incident angle is light reflected from the…

A: (i) Using Brewster law, the expression for find incident angle if the glass is immersed in air…

Q: Hello, part D was incorrect, and where does the six come from?? I confused on reading the graph

A: Write the expression for the time period and substitute the corresponding values. T=1fT=150 HzT=0.02…

Q: TEXT ANSWER Calculate the total resistance of the circuit shown below. Show your work. 42 Q2 55 Ω…

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Q: Which of the graphs shows that a runner started 10 yards further ahead of the other? Explain your…

A: the graphs which  shows that one of runners started 10 yard further ahead of theother

Q: Let q₁ q₂ = 5 μC distributed as shown in the figure. Calculate the electric field = in the point (5;…

A: Two 5uC charges placed on y-axis at (0,4) and (0,-4) respectively. Required Electric field at (5,0)

Q: 10. If the temperature of a monoatomic ideal gas is raised from 90 °F to 138 °F, by how much will…

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Q: Q/ answer by true or false: 1. The polarization in dielectric material can generate accumulation of…

A: THE ANSWER OF THE FIRST QUESTION IS YES Explanation Yes, the polarization of a dielectric material…

Q: (Figure 1) shows a a geosynchronous satellite, which is a satellite that goes around the Earth once…

A: Time period, T=24 h The universal gravitational constant, G=6.67×10-11 N•m2/kg2 The mass of earth,…

Q: The batteries shown in the circuit in the figure have 10.0 V 30.0 Ω negligibly small internal…

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Q: Consider each of the electric- and magnetic-field orientations given next. In each case, what is the…

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Q: Q77. Consider the RC circuit depicted below, which contains R1 = 100 km2, R2 = 200 kn, R3 = 300 kn,…

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Q: A mirror creates an image that has a magnification of 1.6 choose all statements that must be true

A: As the magnification is positive and greater than one so the mirror must be a concave mirror.

Q: A block of mass M = 6.10 kg, at rest on a horizontal frictionless table, is attached to a rigid…

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Q: Part A The figure below shows the time variation of the current through an electrical heater when it…

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Q: A hydraulic lift lifts a car using a piston of radius 0.220 m. The input piston has a radius of…

A: We can use Pascal's principle to solve this problem, which states that pressure applied to an…

Q: thin uniform rod (mass 3.0kg, length 4.0 m) rotates freely about a horizontal axis A that is…

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Q: Find the escape velocity ve for an object of mass m that is initially at a distance R from the…

A: Write the expression for the kinetic energy. KE=12mve2   Write the expression for the binding…

Q: Problem A You have a 3 mol pure sample of an unknown material. After 3.7 h, you discover that 20%…

A: We can use the equation for radioactive decay: N(t) = N0 e^(-λt) where,N(t) is the amount of…

Q: Remote Spectroscopy. Spectrometers mounted on aircraft and satellites have been used to obtain…

A: Remote spectroscopy refers to the use of spectroscopic techniques to study objects or substances…

Q: You are flying at 0.97 c with respect to Kara. At the exact instant you pass Kara, she fires a very…

A: The speed of the observer with respect to Kara is 0.97c, where c is the speed of light in vacuum.…

Q: - The equation = A sin(kx-ot + 2 is the same as

A: The expression A sin(kx-wt+pi/2) can be simplified using trigonometric identities. We know that…

Q: Plane polarized light of intensity lo is passed through two polarizers, the transmission axis of the…

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Q: 8. A rigid tank contains 70.5 g of chlorine gas (Cl₂) at a temperature of 79 °C and an absolute…

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Q: proportional to the test charge. 2.-The infinitesimal patch of area is always perpendicular to the…

A: False. The electric field magnitude is directly proportional to the test charge.

Q: A ball was thrown horizontally from a height of 32m.What initial speed is needed for the ball to…

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Q: An object is 17 cm in front of a diverging lens that has a focal length of -8.1 cm. How far in front…

A: We have a diverging lens whose focal length is (f)=-8.1 cm  Let size of object is ho   Sign…

Q: Find the gauge and absolute pressures in the balloon and peanut jar shown in the figure below,…

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Q: In the figure, a horizontal scaffold, of length 2.29 m and uniform mass 58.5 kg, is suspended from a…

A: A horizontal scaffold, of length L= 2.29 m  Uniform mass of scaffold: m=58.5 kg Total mass of the…

Q: Light of wavelength 633 nm is incident on a pair of identical stits of width 0.2 mm and…

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Q: Review Conceptual Example 7 before solving this problem. Suppose unpolarized light of intensity 176…

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Q: A projectile of mass m is fired at an angle 8 giving it an initial speed of vo. The projectile…

A: Mass = m Acceleration due to gravity = g Angle = θ Initial speed = vo Maximum height = H

Q: Write equations for both the electric and magnetic fields for an electromagnetic wave in the red…

A: The wavelength of the red part of the visible spectrum is 714 nm. The peak value of the electric…

Q: 10. An object is launched from the edge a cliff before falling into the water below. At a particular…

A: Let launch speed be initial speed = "v" Final speed = v/2 (According to question this is the speed…

Q: An oscillator consists of a block of mass 0.724 kg connected to a spring. When set into oscillation…

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Q: g) A wire has a diameter of 5 mm, original length is 20m. Applying a force of 40 N causes the wire…

A: The diameter of the wire is d=5 mm=5×10-3 m. The length of the wire is l=20 m. The applied force is…

Q: Two 3.90 kg balls are attached to the ends of a thin rod of length 29.0 cm and negligible mass. The…

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Q: Q10: A He-Ne laser emits a wavelength of 6 x 10-5 cm. If the diameter of the emergent beam is 1 cm,…

A: The angular divergence of a laser beam refers to the rate at which the beam diverges or spreads out…