Which of these is an example of increasing the elastic potential energy of a system?

Q: If a barchall ie thriawn at Hom/ and 0.60 k what force x itx ditrectin its maek to chunge neceas

A: you need a force in opposite direction of velocity.

Q: How far away from a fixed point charge of +1.2 x10-10C does the electric field E drops to 0.10% of t...

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Q: Steve drives home from his other friend's house near Seattle a distance of 103 msiles On the way hom...

A: Average speed is the mean value of the speed of a body over a period of time.  Here, we calculate th...

Q: Two objects (m1=11.0 kg and m2=3.00 kg) are separated by 40.0 cm. A third object (m3=1.00 kg) is pla...

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Q: A police car is traveling north on a straight road at a constant 20.0 m/s. An SUV traveling north at...

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Q: 1. Identify the standard SI unit for electric field? a. Newton-meters b. squared Coulombs c. Newt...

A: Answer: c) Newtons per Coulombs

Q: Light of wavelength falls on a metal having work function hc Photoelectric effect will take place on...

A: Write the Einstein equation of the photoelectric effect.

Q: An object is thrown vertically upward from a point 32 ft above the ground with an intial velocity of...

A: In this question we have to find the velocity of the object when it hits the ground.Please give posi...

Q: Consider eight charges at the corners of a cube with side length a, and its axes parallel to the Car...

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Q: - 16. A body rolls down an inclined plane. If its kinetic energy of rotation is 40% of its kinetic e...

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Q: The correct graph verifying Hooke's law is Load Load (a) (b) Load Load (c) (d) Extension Extension E...

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Q: Which is NOT used measuring distance? A. measuring wheel B. meter stick C. tape measure D. stopwatch

A: Given For measuring the distance Instruments available are measuring wheel,  meter stick , tape meas...

Q: A circular loop with diameter 6 cm has 150 turns and carries a current of 5 A. What is the magnetic ...

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Q: An 8 µF air capacitor is fully charged across a 150 V battery. Then, the same capacitor is put a die...

A: capacitance = C = 8μF Voltage = V = 150 V Dielectric constant = K = 4.5

Q: In R-L series circuit, the time constant is the time needed for the current to reach a. 25% of the m...

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Q: Three forces act on a point: 3 N at E, 4 N at N°, and 5 N at 30° at S of W. What is the net force, d...

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Q: Which of the following examples violates (breaks) the Law of Conservation of Energy? Question 8 opti...

A: According to law of conservation of energy , it can neither be credited nor be destroyed but can be ...

Q: A 0.521 g sample of steam at 106.6 °C is condensed into a container with 5.35 g of water at 17.0 °C....

A: According to principle of calorimetry Heat given by hot body = heat taken by cold body 

Q: a) Calculate the resistance between a and b in the circuit of Figure 1. 30 60 40 20 50 a. b 10 70

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Q: A soccer ball is kicked with an initial horizontal velocity of 18 m/s and an initial vertical veloci...

A: Given : Ux = 18 m/s Uy = 13 m/s

Q: Vbattery VR Iwire Resistance of Wire in Ohms (2) Resistance of Voltage across (V) Resistor Vwire = V...

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Q: Calculate the vector cross product a x b when a = 3i + j - 2k and b = 4i - j* O 2i - 8j + 7k O 4j + ...

A: According to question we need to find--- a × b  ? 

Q: The magnitude of the force of gravity between two identical objects is given by F,. If the mass of e...

A: Given data:  Force of gravity between two objects = F0 Original masses of the objects m1 = m2 = m Ne...

Q: A point in space has an electric potential of 150 V and this point is 0.04 meter from an electric ch...

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Q: An aluminum "12 gauge" wire has a diameter d of 0.205 centimeters. The resistivity ρ of aluminum is ...

A: Given diameter d of 0.205 cm and resistivity ρ of aluminum is 2.75×10−8 ohm-meters, changes with tim...

Q: An allergy medicine is usually stored in a cabinet at room temperature where its molecules moved aro...

A: In solid, molecules are moving but their motion is vibrational motion. They don't change their posit...

Q: 4 Consider an inclined plane with two balls suspended as shown bekow. The pulley has negligile mas a...

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Q: Part A A = -2.00î + 6.003 and B= 5.00å – 3.003. Express your answer in degrees. ANSWER: Part B A = 2...

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Q: 7:31 ail LTE 4 Safari A student whirls a stopper tied to the end of a string in a horizontal circle ...

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Q: How does the value of the electrostatic force vary with the distance between them? Explain.   How ...

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Q: 2 Two blocks 1 and 2 are connected by a rope over a pulley as shown. The pulley is very light (massl...

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Q: Activity 1- Determining Charge Determine the charge on the object and explain why it has this charge...

A: The charge of one electron  is e≈-1.6×10-19 C The charge of one proton is p≈1.6×10-19 C  

Q: Mr. Mangan sees another bad guy whose mass is 150 kg and runs at him with a velocity of 15 m/s. The ...

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Q: How much time elapses until the bowling pin returns tothe juggler's hand? A juggler throws a bowling...

A: Initial speed u=7.5 m/s To find: Time elapses for the bowling pin to return to the juggler's hand t=...

Q: A 0.35 kg block is being pulled across a flat, level surface by a horizontal string. When the tensio...

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Q: a man who walks 25.0meters East, 75.0meters North, and 10.0meters, 350Northwest. What is the percent...

A: Presents the solution to a problem that is similar to this one. Find the percent difference resultan...

Q: A proton is moved in the direction opposite to an external E-field. Choose the statement that best d...

A: Since, the proton is moving against the direction of Electric field, so the work is done by the prot...

Q: In a RLC circuit connected in series, the phase angle between the voltages, V of the inductor, L and...

A: In an RLC circuit, the voltage across the inductor (V­L) leads the current by 90 degrees and the vol...

Q: 7750 S140 Simplify the circuit of Figure 2 and find the current flowing out from the voltage source....

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Q: A Physics teacher, Susan, drove to her high school which is located15km East from her house. After s...

A: Here the option (d) is correct. i.e The magnitude of the displacement vector O from her house to the...

Q: Inside a good conductor in equilibrium, such as aluminum with only small current flowing, there is a...

A: Electric potential is the work done per unit charge moving in the field 

Q: Define Simple Harmonic motion. Give some examples of motions that are approximately simple harmonic....

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Q: A flat sheet of paper is cut into an equilatera hexagon that is oriented so that the normal to the s...

A: We have givenAngle between normal to sheet and electric field (θ)=60°Magnitude of electric field (E)...

Q: Compute the x- and y-components of the vectors A, B, Č, and in. B (15.0 m) For related problemsolvin...

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Q: How did velocity (v) and velocity squared (v2) relate to the height from which the ball was released...

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Q: Light of wavelength falls on a metal having work hc Photoelectric effect will take place only if fun...

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

A: Calculate the magnitude of the electric force, F1, on q3=-4.00 μC by q1=2.00 μC. F1=kq1q3r12=8.987×1...

Q: 21 Calculate mass contained in a light of wavelength 4 x 10-7 m which hits an electron at rest the e...

A: Since you have asked multiple questions, we will solve the first question for you. If you want any s...

Q: A 5.0 kg cannonball dropped from a cliff hit the ground at a velocity of 70 m/s.  What was the heigh...

A: Given: velocity (U) = 70 m/s. 

Q: A person rides a Ferris wheel that turns with constant angular velocity. Her weight is 503.0 N. At t...

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