what is physics and its advnatages

Q: The current in the 8.00-0 resistor in the drawing is 0.654 A. Find the current in (a) the 20.0-02…

A: Given, The current in 8.00 ohm resistor is 0.654 A. By Ohm's law V=RI where, V is the voltage I is…

Q: The quantity of charge through a conductor is modeled as Q = (3.00 mc/s4)t4 - (4.00 mc/s)t + 7.00…

A: Given value--- Q = (3 mC/s4) t4 - (4 mC/s) t - 7 mC . We have to find--- what is the current at t…

Q: 8. A projectile is fired from the ground, reaches a maximum height of 57.1 m and lands a distance of…

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Q: The tank shown in the following figure is being filled by Pipes 1 and 2. The water level is to…

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Q: What makes a force attractive or repulsive? Support your answer with some examples.

A: attraction force and repulsive force both are comes when there is some kind of charge or have some…

Q: A spherical object of radius r moving slowly through the air is known to experience a retarding…

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Q: Find the gradient of the function f(x,y) = 6y-7x at the point (8,10). Then sketch the gradient and…

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Q: A 50 kg physics student is trapped in the middle of a frozen pond with nothing but their 10 kg…

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Q: Two highways intersect as shown in the figure. At the instant shown, a police car Pis distance dp =…

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Q: What is the weight (in Newtons) of a 19 kg object

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Q: 1. Consider a light ray that transitions from a material with a higher index of refraction to a…

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Q: Given vector A =   and vector B = , what is A dot B?

A: Given            A = <10, 20, 18>          B = <16, -17, -24>

Q: Required information. Consider the circuit in the diagram. Let V=15.6 V. 12.00 15.00 ww After the…

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Q: A block having a mass of m = 19.5 kg is suspended via two cables as shown in the figure. The angles…

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Q: What units would the expected value of "k" use? Why?

A: The 'k' in the given expression is a constant of proportionality known as the spring constant. The…

Q: A particle of mass m moves in the XY-plane, and its position vector is given by = a cos wtî + b sin…

A: Given: Particle  is moving in x - y plane.

Q: A resistor with a 15.0 V potential difference across its ends emits thermal energy at a rate of 327…

A: Let the value of resistance be R ohm . Than power dissipated by the resisitor R with potential…

Q: In the region shown in the image, there is a uniform electric field of magnitude 26.1 N/C which…

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Q: In the circuit of the figure below, the switch S has been open for a long time. It is then suddenly…

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Q: A 90x oil-immersion objective is marked NA 1.2. It uses oil that has an index of refraction of 1.50.…

A: Given data: Numerical aperture, NA = 1.2 Refractive index, n = 1.5 Length of instrument tube, l = 16…

Q: A metal has a coefficient of linear expansion of 1.8 × 10 (Cº)-¹. Suppose a pipe made of this metal…

A: GIVEN          coff. of linear expansion = α = 1.8×10-5C0-1           Length of metal = L = 5.1 m…

Q: The current in the 8.00-2 resistor in the drawing is 0.513 A. Find the current in (a) the 20.0-2…

A: GIVEN           current in the 8.00Ω resistor=0.513 A

Q: rocket-powered sled moves along a track, eventually reaching a top speed of 173 m/s to the east. It…

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Q: 13. An object is dropped from the top of the Willis Tower (formerly called the Sears Tower) in…

A: Newton's equations of motion can be used to solve constant acceleration problems. When an object is…

Q: 2. You want to use a +12 cm focal length lens as a x6 magnifier. How high above the object should…

A: 2) Write the expression for the magnification and susbtitute the corresponding values.…

Q: At what distance from the center of Earth is the center of mass of the Earth-Moon system? Suppose…

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Q: Equipotential curves are shown in the figure below. A proton's speed as it passes point A is 80…

A: Given: Speed at point A vA=80 km/s=80×103m/s, Potential at point A VA=V1=60V, Potential at point B…

Q: When an electron moves 0.10 m along the direction of an electric field with a strength of 3.0 N/C,…

A: Required :  The correct option

Q: While looking at a glass its width appears 2.4 mm and the real width appears as 3.0cm. What is the…

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Q: A 22-mH inductor, an 8.2-2 resistor, and a 6.3-V battery are connected in series as in the figure…

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Q: The equipotential contours in a region of space that contains an electric field are shown in the…

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Q: What is the electrostatic force on the particle at the lower-right-hand corner of the square shown…

A: The force of attraction between two charges is given by Coulomb's law. Like charges repel and unlike…

Q: 4. Use the diagram below to answer the following questions. Note: All orange resistors have the same…

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Q: Entropy is a measurement of the degree of disorder in a system and entropy increases when complex…

A: Entropy : the measure of Degree of Disorderness of a system  is called entropy

Q: musical instrument produces a frequency of 450 Hz when it vibrates in the fifth harmonic. The…

A: We know that , f = nf0 (f = frequency n = harmonic f0=fundamental frequency)

Q: Find the potential difference between point a and point b for the situation shown below. Here &₁ =…

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Q: The dielectric to be used in a parallel-plate capacitor has a dielectric constant of 4.00 and a…

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Q: Neutron stars, such as the one at the center of the Crab Nebula, have about the same mass as our sun…

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Q: Two point charges with values 3.4 uC and 6.6 uC are separated by 0.2 m. What is the electrical…

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Q: Lili throws a ball to her friend Eric. The ball leaves Lili's hand a distance 2.00 meters above the…

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Q: A point charge q= +42.0 microcoulombs moves from A to B seperated by a distance d=0.191 m in the…

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Q: A soccer ball is kicked from the ground with an initial speed of 19.6 m/s at an upward angle of…

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Q: A block of mass 53.1 kg rests on a slope having an angle of elevation of 24.3. If pushing downhill…

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Q: 1. A ladder of length b rests against a vertical wall (see figure). The base of the ladder is pulled…

A: Given data- Length of the ladder is b Speed of the base is v0.

Q: You have discovered an old paper on graph theory that discusses the viscosity of a graph (which for…

A: (a) and (f) are equivalent ways of stating the claim made in the theorem. They both express the idea…

Q: Two ropes apply a force to a boat. The first is 400 N in the positive x direction, and the second is…

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Q: Consider the following circuit of three resistors (R1, R2, and R3), with batteries that have e1 & =…

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Q: Match each variable to the unit associated with it. P W 17 IMA a. b. C. d. Joules no units % watts

A: Work per unit time is called power Unit = watts Work done = force.displacement Unit of force = joule…

Q: A 64.5-2 resistor is connected in parallel with a 155.0-2 resistor. This parallel group is connected…

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Q: The figure to the right shows a gas contained in a vertical piston-cylinder assembly. A vertical…

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