B 15. 25 KN 30

Q: Spiderman is sliding down from rest through his web with a slope of 40 degree. Solve the coefficient…

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Q: Two magnets are placed like below, what is the resultant magnetic field at point O, if the…

A: The resultant magnetic field at O is the vector sum of the fields of two magnets as shown,

Q: A glass window has the shape of a trapezoid with height 4m, width at the top of 5m, and width at the…

A: Height of trapezoid = 4 m Width of top side, s1 = 5 m Width of bottom side, s2 = 8 m Water depth = 3…

Q: The height y (in feet) of a ball thrown by a child is 12 1 x+4x +5 y = - where x is the horizontal…

A: The height y (in feet) of a ball thrown by a child is y=-112x2+4x+5where x is the horizontal…

Q: A clay target is shot from a gun with an initial speed u = 55.6 m/s at an angle 0 = 46.4° above the…

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Q: . An ideal gas is under an initial pressure 2.45 x 104 Pa and occupies a volume of 0.20 m³. The slow…

A: work done is isobaric process =Pvf-vi

Q: X-rays of wavelength 0.0620 nm are scattered from a crystal with a grazing angle of 11.1°. Assume m…

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Q: A penny sits at the bottom of a pool of water (n = 1.33) at a depth of 3.0 m. If an observer 1.8 m…

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Q: The diagram below shows two parallel wires with the top wire carrying a steady current of 2.00 A and…

A: Magnetic field due to a current carrying wire at a distance d is B=μoi2πd

Q: 3) Since we are treating light as a particle, it is appropriate to consider a pool ball bouncing off…

A: From the labels along the right traingles below we see that θ=ϕ

Q: A bike starting from rest acquires a speed of 40 m/s in 20 seconds. Then, the bike travels with this…

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Q: What is the current read by the ammeter in the circuit below? Let R1 = 1 kiloohm, R2 = 2 kiloohm, R3…

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Q: Your relative from abroad sent your family a balikbayan box. Since you know that the laws of motion…

A: Force can be defined as a push or pull acting on an object or energy as a result of physical action…

Q: In the figure below, ma = 1.50 kg and mg = 0.50 kg and the table surface is frictionless. If the…

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Q: A curling stone travelling at 5.0 m/s collides with a stationary stone of the same mass. Following…

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Q: Which of the following is true both times? i. Velocity - Constant ; ii. Velocity - Constant : iii.…

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Q: You measure an object distance of 0.3 m and an image distance of 0.15 m. Solve for the focal length…

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Q: An infinite line of charge with charge density 1 = 1.9 µC/cm is aligned with the y-axis as shown. y…

A: Note: You have posted q question with more than three subparts. as per our policy, if nothing is…

Q: A square loop is in the x-y plane, with its top and bottom parallel with the x-axis, and its sides…

A: F = i[ L × B] F = force on a current carrying conductor in an external magnetic field.  L = length…

Q: What keeps up a satellite on its orbit? a. Gravitational Force of Attraction b. High Tangential…

A: Correct option (a) Gravitational Force of Attraction. Reason - When a satellite is in circular…

Q: 5.0 m 3.0 m

A: Given data as per question  sign weight = 400N beam weight = 600N

Q: A particle is moving in a straight line according to the position function s(1) = r - 612 +9t +5,…

A: We have st=t3-6t2+9t+5vt=ddtst=3t2-12t+9at=6t-12

Q: Briefly explain as long as the questions are answered. In free fall motion, the only force acting on…

A: In free fall motion, the only force acting on the object is gravity. Suppose you throw a ball…

Q: 30 m 40 m 30 m

A: GivenLength of rod, L=100 mMass of beam, m=210 kgm1=50 kgm3=300 kg

Q: If an object is emitting sound and is moving through the air at the same time, which effect best…

A: If an Object is emitting sound and is moving through the air at the same time then Doppler Effect…

Q: A 12 kg bowling ball is rolling down the lane at 5 m/s. What is the ball's kinetic energy?   a. 44…

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Q: A uniform electric field of magnitude 295 V/m is directed in the negative y direction as shown in…

A: Answer:-  Given  Electric field (E) = 295 V/m  Electric potential difference (VB - VA) = ?  We know…

Q: The diagram below illustrates the phenomenon of "missing orders" in the interference pattern made by…

A: Interference and diffraction effects operate simultaneously and generally produce minima at…

Q: Suppose that you are working in the physics lab and program a computer to exert a certain amount of…

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Q: A crate of mass 60 kg is pushed along a floor with a force of 30 N for a distance of 14 m.Calculate…

A: Given: mass (m) = 60kg             Force applied (F) = 30N             Displacement (d) =  14 m To…

Q: A spring is attached at one end to support B and at the other end to collar A ,as represented in the…

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Q: Common Properties of Light Light strikes a plane mirror as shown. If the incident ray makes an angle…

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Q: Part 2) An organ pipe of length L = 4.6 m is open at both ends. It is driven to oscillate with a…

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Q: A string can have a "free" end if that end is attached to a ring that can slide without friction on…

A: Given  Length of string is ' L ' At fixed end node will be formed . At Free end antinode will be…

Q: Two 5 ohms resistors are connected in series; this combination is parallel with 10 ohms resistor and…

A: given data as per question R1 =  5ohm R2  =   5ohm R3  =   10ohm R4    =  15ohm R5    =   30ohm V…

Q: through the action of a single cable. The elevator has a weight of 2000 N. When the elevator is…

A: Given:-  An elevator’s motion is through the action of a single cable. The elevator has a weight of…

Q: A crate of mass 60 kg is pushed along a floor with a force of 30 N for a distance of 14 m.Calculate…

A: Given data:  Mass (m) = 60 kg Force (F) = 30 N Distance (d) = 14 m Required: Work done (W)

Q: How much ice at 0 0C is needed to lower the temperature of 100 g of water at 25 0C to 5 0C

A: Mass of water = 100 g Initial temperature of water, Tw =25 oC Initial temperature of ice, Tice = 0oC…

Q: You measure an object distance of 0.3 m and an image distance of 0.15. Will the image be larger or…

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Q: A loop of copper wire is placed in a magnetic field B with its plane at right angles to the field.…

A: According to Lenz's law, the induced emf generates a current, which creates a magnetic field that…

Q: A toy aeroplane of mass m = 1,80 kg is attached to a string of length e = 33.0 m and flys in uniform…

A: Mass of aeroplane, m=1.80 kg Speed, v=30.7 km/hr = 8.53 m/s Length of string, l=33 m

Q: A flat, circular coil of 120 turns has a radius of 18 cm and carries a current of 3.0 A. What is the…

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Q: Light & Optics Part A: A flashlight held by a man 2m above ground creates an angle of reflection…

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Q: QUESTION 6 Consider a cube with edge length L immersed in a uniform electric field E along the…

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Q: What is the Celsius temperature of the hot reservoir of a Carnot engine that is 32% efficient and…

A: Given  Efficiency of Carnot engine , E = 32% = 0.32  Temperature of cold reservoir , Tc = 20°C…

Q: A 1.0-cm-tall object is placed 4.0 cm to the left of a converging lens with a focal length f1 = 5.0…

A: Given data as per question height of object = 1cm f1  =   5cm f2   =  -8cm

Q: A vector has x and y components of ( -14.3 , 11.6 ). What is the vector's magnitude and direction?…

A: A vector A has x and y components Ax and Ay respectively. Then the vector's magnitude is A =(Ax2+…

Q: A piece of 0.0332 kg mercury metal reaches its final temperature at 453.536oF with the addition of…

A: Heat capacity is the energy required to raise the temperature of given material by 10C. It is…

Q: A(n) microwave photon has a wavelength of 9.20 cm. Find the momentum, the frequency, and the energy…

A: Given: The wavelegth of the photon is 9.2 cm.

Q: Identify the line with the smallest energy in the Balmer series. What is the energy of the emitted…

A: We use quantum theory of light to solve the problem

Scalars and Vectors

Scalars and Vectors are the classification of physical quantities that are used to denote various terms in physics.