Which is true?

Q: (a) Calculate the speed of a proton that is accelerated from rest through an electric potential…

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Q: 25. Calculate the average speed of a 4.0 x 102-newton weight being lifted vertically by a 2.00 x…

A: Given: The weight of the object is 4x102 N. The required by motor is 2x103 W.

Q: 1. The disk is rotating about its central axis like a merry-go-round. The rotational position 0(t of…

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Q: A large piece of wood is at rest on a horizontal floor. The coefficient of kinetic friction between…

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Q: Two charged spheres made of different non-conducting materials are suspended near each other using…

A: in diagram both objects move away from each other. Hence they must repel each other.

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: The diagrams below show different objects of equal masses that are acted on by one or more forces.…

A: different cases for forces acting on an object are given.  There are two forces acting on an object…

Q: Drando 230 Print Reading for Industry Review Activity 12-1 For each surface texture symbols given…

A: For the US customary system, Using the method given, S. No. Maximum Roughness           Average…

Q: 51. A force of 0.2 newton is needed to compress a spring a distance of 0.02 meter. The potential…

A: Given: The applied force is 0.2 N. Then compression in the spring is 0.02 m.

Q: IE .. A car on a circular track accelerates from rest. (a) The car experiences (1) only angular…

A: a) Angular acceleration to increase its speed and centripetal acceleration to keep it in circle so ,…

Q: 4. True/False: curl(divF)) is not a meaningful expression. (Justify your answer.)

A: In question 4, we have to justify curl(divF) expression.

Q: A small mailbag is released from a helicopter that is descending steadily at 3.00 m/s. After 3.00 s,…

A: (a) The initial velocity of the mailbag will be the same as the helicopter. Therefore, from…

Q: . A massless spring of equilibrium length b and spring constant k connects two particles of masses…

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Q: 39. A wave on a very long rope takes 2.0 s to travel 10 m of the rope. If the wavelength of the wave…

A: Part (39): Given: The wavelength of the wave is 2.5 m. The distance traveled by the wave is 10 m in…

Q: 3) How much energy does a 100-W light bulb use in 8.0 hours?

A: we use the concept of                                       1000W = 1 unit…

Q: Propagate to find the percent error in a + b. a = 8.3 ± 1.2 b = 11.7 t 1.6 %3D Enter a number such…

A: Solution: Here we are given that   a = 8.3±1.2  andb = 11.7 ± 1.6 now here let the relation be : x +…

Q: 20. . Show that 1.00 mol of ideal gas under STP occupies final 20. *. a volume of 0.0224 m³ = 22.4…

A: Given, Number of moles of ideal gas, n = 1.00 mol Under Standard temperature pressure condition,…

Q: The engine of a model rocket accelerates the rocket vertically upward for 2.0 s as follows: At t =…

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Q: You've taken your neighbor's young child to the carnival to ride the rides. She wants to ride The…

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Q: A 2.0-kilogram cart traveling north at 4.0 meters per second collides head on with a 1.0-kilogram…

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Q: 31. IE. A dog's bark has a sound intensity level of 40 dB. (a) If two of the same dogs were barking,…

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Q: 3. Eric Clapton plucks a C on a guitar string, which causes a fundamental frequency of 261 Hz. The…

A: Hello. Since you have posted multiple questions and not specified which question needs to be solved,…

Q: Consider a closed triangular box resting within a horizontal electric field of magnitude E = 8.86 x…

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Q: ww 5) The current through the 20-Q resistor in Fig-19-81 are both open or both closed. Use this clue…

A: The resistance of the resistors are given as, R1=20 Ω, R2=R Ω, R3=50 Ω, and R4=10 Ω. The potential…

Q: Exercise 2.4.6: Suppose you wish to measure the friction a mass of 0.1 kg experiences as it slides…

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Q: The average coefficient of volume expansion for carbon tetrachloride is 5.81 x 10 (°C)1. If a 56.5…

A: Given,   Coefficient of volume expansion(β) = 5.81×10-4C0-1   Vi = 56.5 gal   ∆T = 240C

Q: 008 47. . A dropped rubber ball hits the floor with a speed of 8.0 m/s and rebounds to a height of…

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Q: The path of a projectile fired at an angle of 30.° above the horizontal is best described as (1)…

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Q: A parallel plate capacitor with circular faces of diameter 2.3 cm separated with an air gap of 3 mm…

A: Diameter of circular plate is D = 2.3 cm = 0.023 m gap between the two plate sis d = 3 mm = 3 x 10-3…

Q: 7.4 Angular Acceleration • A merry-go-round accelerating uniformly from rest achieves its operating…

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Q: 47. string is 425 Hz, what is the frequency of the second harmonic?

A: Fifth harmonic frequency = 5f = 425 Hz Second harmonic frequency = ?

Q: 34 An aluminum pie pan is attached to a string and suspended from a hook, as shown in the diagram…

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Q: Question 4.3a: A 70.0-kg box is pulled by a rope making an angle of 0 = 15.5° with the horizontal.…

A: *** Since the given two questions are not connected to each other so according to the bartleby…

Q: Electric charge is distributed over the triangular region D shown below so that the charge density…

A: Total charge over a region is given by the double integral of charge density over the region that…

Q: D2-WBT53: FIVE RESISTORS CIRCUIT CHART-CIRCUIT A circuit contains five resistors and a battery. The…

A: The potential across R1 , R2 , and R3 is equal, thus they are connected in parallel to each other.…

Q: In an engine, a piston oscillates so that its position at time t is given by h(t) = 5 cos(2t + 7/6)…

A: The average velocity of the object is given by Where S = displacement of the object, t = total time…

Q: A small mailbag is released from a helicopter that is descending steadily at 2.50 m/s. After 5.00 s,…

A: