A car engine supplies a power of 300,000 W while traveling at constant speed of 28 m/s. Find the force exerted by the engine

Q: A wave on a string is reflected from a fixed end. The reflected wave: O is 180- out of phase with…

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Q: The angular position of a point on the rim of a rotating wheel is given by θ = 4t – 3t² + t³, where…

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Q: A nearsighted person has a far point of 71 cm. Determine the power of the contact lens they need.…

A: Write the given data. f=-71 cm

Q: The same current-carrying wire is placed in the same magnetic field B in 4 different orientations…

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Q: (E) = 3NA Find dE/dT ? hWE hWE eKBT - 1

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Q: 40. Light strikes a plane mirror at an angle of 30° from the surface of the mirror. The angle of…

A: Givena)angle of light ray from surface of mirror =30∘b)a point source and concave mirrorc)concave…

Q: Determine the speed of a certain molecule whose mass is 6.13 × 10^−26 kg. The kinetic energy of that…

A: Write the given values with the suitable variables. m=6.13×10-26 kgK=6.13×10-21 J Here, m is the…

Q: 46. For an upright object placed at s<lf of a diverging lens, it produces only Virtual, inverted and…

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Q: PHYSICS (Please write the complete solutions legibly. UPVOTE will be given) Three point charges…

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Q: A force given by F(x) = 0.5 x³2 N acts on a 2 kg mass moving on a ess surface. The mass moves from x…

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Q: Determine the potential energy of the 250-g book if it fall from the roof of a building with a…

A: Given data: Mass (m) = 250 g = 0.250 kg Height (h) = 25 m Required: The potential energy

Q: 1. A 3 nC charge travels at a speed of 0.9 x 10^6 m/s in a circle of radius 5.3 x10 pm. Determine…

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Q: Juno is a construction worker. He has found a scrap piece of construction aluminum foil. The sheet…

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Q: 6. A toy spring launcher is used to launch a 10.5 g object into the air. The spring of the launcher…

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Q: Yujin is playing on a violin string with a length 32 cm and linear density 1.5 g/cm, that resonates…

A: For an organ pipe closed at one end,  First overtone frequency ,f1 = 3v/4L v is velocity of sound =…

Q: A series circuit is connected to a 9-V battery and three light bulbs. The current through bulb 1 is…

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Q: A spacecraft with length 100 meters passes an observer on earth. The observer measures the passing…

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Q: Find the terminal speed of the spherical bacterium in meters per second, ignoring the buoyant force…

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Q: A mass m = 5 kg slides along the track shown. If u = 4 m/s at point A, 2, how much work must and v=…

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Q: Thunderstruck: A lightning bolt strikes nearby - just 20.7 m away. A recording device regis…

A: GivenFirst lightning bolt strikes at distance, d1=20.7 mIntensity of sound of first lightning bolt,…

Q: "20 mH coil contain energy of 1J, what is the current in the coil?"

A: Inductance of coil (L) = 20 mH  Energy stored (E) = 1 J

Q: You wake up one morning to find yourself in a strange room with opaque walls, and no visible doors…

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Q: The drawing shows a circuit containing three resistors and three batteries. Which of the following…

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Q: Please write neatly and make it readable. Do not type. At a depth of 10.9 km, the Challenger Deep…

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Q: Underwater, you can just barely lift a 75.0 kg rock (density 3.20 g/cm3 ). How massive a rock could…

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Q: 4. As shown in class prove how starting from the assumption of a constant force acting on a…

A: Let a body move with velocity 'vo' at t=0, when it had an initial movement of 'xo' from a point O.…

Q: Determine the gravitational force F which the titanium sphere exerts on the copper sphere. The value…

A: Newton's Law of Gravitation: The force due to gravitation between two different bodies is…

Q: How many turns has a thoroughly flat circular coil of wire, which has a diameter of 6 cm that…

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Q: Find the Force value Work done=1000 J Displacement=24.88 m

A: Given data : Work done=W Displacement=d   Required : Force

Q: A nearsighted person has a far point of 66 cm. Determine the power of the contact lens they need.…

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Q: A power source is providing a constant voltage, V, to the circuit shown below. 5.092 W 1092 7.092 If…

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Q: A car is moving on a straight road 18 m/s. It is acceleration at 20 m/s². What will be it's velocity…

A: Given data :                       Acceleration    =    a                       Initial velocity   =…

Q: Find the Speed of train Distance=1000 Km Time=10 hr

A: Given data:  Distance (d) = 1000 km Time (t) = 10 hr Required: The speed (v)

Q: Find the volume of silver piece.

A: Given data;  Water level rises from;   Volume 50  ml to 62 ml  Find the volume of silver piece ?

Q: Mary is doing an experiment of electrostatic force. She uses a balloon of static energy to pick up…

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Q: Compute the momentum Mass=22.66 kg Velocity=0.99 m/s

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Q: A soccer ball is kicked from the ground with an initial speed of 18.9 m/s at an upward angle of…

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Q: Point A in the figure shown, a spring (spring constant k = 1,000 N/m) is compressed 50.0 cm by a…

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Q: 2. 1. Add the two waves by using the principle of superposition. O O Interference pattern created by…

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Q: Julissa and Miriam are performing Young's double slit experiment. First, they use a source of light…

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Q: A pumpkin is shot straight up with an initial speed of 6.0 m/s. What is the maximum height it can…

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Q: Find the energy possessed by an object of mass 10 kg when it is at a height of 6 m above the ground.…

A: Given data :                  Height of the object     =     h                  Mass of the object…

Q: the density of the lead in kg m-³.

A: Given data; Mass of a lead is=115 g Water level rises from ;   V1=20 ml    V2=30 mlFind density of…

Q: Find the kinetic energy Mass=0.8 kg Velocity=3.3 m/s

A: Given data : Mass=m Velocity=V   Required : Kinetic energy

Q: An object of mass = 2 kg is pulled by a constant force F = 4 N for a horizontal distance of 2 m.…

A: Given data : Mass=m Force=F Angle with horizontal=θ   Find : Work done

Q: Suppose you conducted an experiment on an ohmic material. When subjected to a potential difference…

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Q: Question 13 Ten grams of ice at -20 °C is to be changed to steam at 130 °C. The specific heat of…

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Q: 2. (a) What is the width of a single slit that produces its first minimum at 50.0⁰ for 550-nm light?…

A: for part a: angle=50o ; wavelength=550 nm ; first order minima for part b: angle = 52o ; and first…

Q: 43. For a concave mirror to form a virtual and upright image, an object must be placed at a distance…

A: Given 43. image formed by a concave mirror We have to choose the correct option from given options…

Q: The actual or basic data collected in an x-ray crystallography experiments is _______. a. 3D…

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