How much work is required to stretch a spring from x-4.5 cm to x-8.2 cm given a spring constant of 150 N/m? (The spring is at its natural length where x-0)

Q: A chandelier hanging from a vertical rope. The forces acting on the Chandelier are_. *   a. normal a...

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Q: Problem 3: Water leaves a fireman's hose (held near the ground) with an initial velocity m/s at an a...

A: Motion of projectile can be divided into x component and y component. 

Q: 8 A 25kg child sits on a rope swing. The rope has a length of L = 3m. The swing is moved so that it ...

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Q: If you toss a ball upward with a certain initial speed, it falls freely and reaches a maximum height...

A: Given A ball is tossed vertically upward and it reaches the maximum height h at a time t after leavi...

Q: Three charged particles are located at the corners of an equilateral triangle as shown in the figure...

A: Given:

Q: 1 Solve for the unknown(s). You may assume t; = 0. a. ř; = 2.45mi řf = 4.18mi v; = 1.04mi ā = 0.510i...

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Q: Thunderstorms can have an electric field of up to 3.4 x 105 N/C. What is the magnitude of the electr...

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Q: during rubbing, a body obtained a negative charge. if during the process, electrons transferred from...

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Q: f) a child being swung around in a horizontal circle by a well-meaning adult:

A: A child is being swung around in a horizontal circle by a well-meaning adult.

Q: The car moves in a straight line such that for a short time its velocity is defined by v = (2t^3 + 3...

A: Given value---  v = (2t^3 + 3 t) m/s. We have to find--- a. What is its position in meters when t...

Q: thrown at 180 m/s2 cnd its d ei busxeball messs ix 0.60 kg to what force ix neceysery g its diradion...

A: Given data :            Acceleration = a             Mass = m      To find :             Force 

Q: (5 blanks) What is the maximum possible efficiency (in Percent) of a steam engine working between a ...

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Q: The coefficient of performance of a refrigerator is 2.6, and the compressor is using power 450 W. Wi...

A: Given value--- The coefficient of performance= 2.6 . power = 450 W.  We have to find--- With what...

Q: In a student laboratory exercise, the wavelength of a 44,300 Hz ultrasound wave is measured to be 0....

A: Given the wavelength and frequency of a longitudinal wave, it is required to find the temperature of...

Q: A simple planar pendulum is suspended from the roof of a railroad car that is being forced to oscill...

A: AS WE KNOW THAT THE DEGREE OF FREEDOM(DOM) IS THE MIMNIMUM NUMBER OF INDEPENDENT CO-ORDINATE REQUIRE...

Q: You enter the carnival ride called "The Rotor". The circular room is spinning and you and other ride...

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Q: Solar radiation (irradiance) was measured on a horizontal surface, GH = 564 W/m2. What would the irr...

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Q: 1. A gas is kept in cylinder that can be compressed by pushing down on a piston. You add 2500 J of h...

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Q: What is the RMS speed of CO2 gas at a temperature of 270 с? a. 268 m/s b. 412 m/s С. 305 m/s d. 505 ...

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Q: Select True or False: The solubility of gases in water always decreases with increasing temperature....

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Q: OLner tIan 2 DE Problem 1: Two objects are sliding towards each other. Object A is traveling at 3m/s...

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Q: Suppose the tension in both of the cables is measured to be 50 N and that the angle that each cable ...

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Q: The angle between the two short sides is 90°. The two short sides of the triangle have length a. Inv...

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Q: A block is sliding along a horizontal surface with 100 J of kinetic energy. The kinetic frictional f...

A: Given: kinetic energy k = 100 Jblocks stops in t =  5 s

Q: Sample Problem 1.5 The diagram shows a force F = 250 N is applied to a chord which is atteached to t...

A: Given,F = 250 N coordinate of the points, A-2,-5,6 B4,3,-1

Q: 6) The figure shows a block of mass 1.00 kg is on a frictionless 37.0° incline that is subject to a ...

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Q: How electrically neutral bodies become charged by the following methods? a. Rubbing/Friction b. Indu...

A: This question is based on Electrostatics topic. A body is charged via transfer of electrons. If the ...

Q: This question refers to the situation in Figure 2, above. The mass of block A is 3.3 kg. The mass of...

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Q: As shown in the figure below, a 2.25 kg block is released from rest on a ramp of height h. rough pat...

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Q: 7 The long straight wires in Fig. 31-3 both carry a current of 12 A, in the directions shown. Find B...

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Q: The International Space Station orbits Earth at an altitude of 4.03×105 m with a speed of 7.68×103 m...

A: Given-Altitude h=4.03×105mRadius of earth=6.37×106mspeed=7.68×103m/smass of astronaut=74.4kg

Q: When a certain force is applied to an object with a mass of 2 kg, its acceleration is 10.0 m/s2. Whe...

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Q: The Ferminals What je The isltnge of a 88 ohms ressetor that hase 0.0 260 A of cu8Tent Flowing 9co08...

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Q: Neurons in our bodies carry weak currents that produce detectable magnetic fields. A technique calle...

A: Magnetic field (B) = 1.0×10-15 T distance (d) = 4 cm = 0.04 m   

Q: How much work must be done (in electron Volts) to move a stationary electron -11 located 5.29 x 10- ...

A: Given : k = 8.99 x 109 N-m²/c² and e = 1.60 x 10-19

Q: If Seneca decides to walk across town to a store that is 85 kilometers away and she has only 30 minu...

A: Given data :             Distance = d              Time  = t       To find  :               Speed 

Q: Two Iron wires with the same cross-sectional area are found in a box. The first has a resistance of ...

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Q: 2. Walking by the Bard tennis courts you'll frequently find a ball that's been hit outside the fence...

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Q: Question 1. Show that the difference in decibel levels 3, and 32 of a sound source related to the ra...

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Q: Problem 4: A soccer ball is kicked from ground level across a level soccer field with initial veloci...

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Q: Please see attached imaged. Thank you

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Q: Part A In 1780, in what is now referred to as "Brady's Leap," Captain Sam Brady of the U.S. Continen...

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Q: Problem 5: A student standing on a cliff throws a stone from a vertical height of d = 8.0 m above th...

A:  Vo=19m/s  Angle =24°  d=8m We have to find the  stone had been thrown front the cliff too with the ...

Q: The position of a point during the interval of time from t=0 to t=6 sec is given by s= -0.5t³ + 6t² ...

A: GivenS=-0.5t3+6t2+4tfrom t=0secto,t=6 secRate of change of distance with respect to time is called v...

Q: What is the direction of magnetic force acting on the segment #1 of the current carrying wire loop s...

A: Magnetic force on a current carrying conductor is given by F = iL×B F =iLB sinθ, where i = current i...

Q: Point charges q1 and q2 of 1.00 x 10-19 C, respectively, are placed 0.600 x 10-12 m apart. Thus d = ...

A: a) Draw the schematic diagram of the electric field. Calculate the net electric field at point a.

Q: A 50-kg block is pushed a distance of 5.0 m across a floor by a horizontal force FP whose magnitude...

A: Given that:- Mass of block=m=50kg

Q: . Two blocks of masses m, =4 kg and m, =2 kg are connected to the ends of a string which passes over...

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Q: 1) Mars going around the sun:

A: Mars going around the sun  the force that is required to move the mass around the sun in a circular ...

Q: Find the number of electrons that must be added to a spherical conductor of radius 10cm to produce ...

A: Given that:- Radius of spherical conductor=r=10cm