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Q: A pacemaker has an RC circuit that control the time of voltage giving out.  A suitable time constant...

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Q: The acceleration due to gravity in the surface of jupiter is 254 percent tines that on earth . an ob...

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Q: What is meant by temperature coefficient of resistance?

A: To define: The temperature coefficient for resistance.

Q: In the S1 data table, the error in frequency (f) is given as 0.3%. For the frequency of 120.00 Hz, w...

A: The answer is below

Q: horizontal. A tall building is 40 m from the launch site. Neglect air resistance and use g= 10 m/s'....

A: Here, we calculate the given as follow;

Q: A hair dryer uses 120 V and generates 1875 W.  The resistance in the hair dryer is _____ Ohms.

A: Given: Power (P) = 1875 WVoltage (V) = 120 V

Q: 12. A stone is dropped into a deep well and is heard to hit the water 4.41 s after being dropped. De...

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Q: Why do you think blacksmiths must have such hot fires to forge steel? Because metals are brittle and...

A:   Steel is mainly made up of Iron and Carbon, and little percentage of other elements to make differ...

Q: 1. Given: Vector D, with horizontal and vertical components: 20 in and 30 in, respectively. Vector D...

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Q: A gold wire carries 22 A of current with a drift velocity of 4.3 × 10-3 m/s. Assume there is one fre...

A: Since you have asked multiple questions, we will answer you the first question. Kindly repost the qu...

Q: 1) A WEIGHTIS DROPPED FROM A TOWER 640fH hign, In how many seconds and With what tveļoaty will.it' h...

A: Part (1): Given:The height of the tower is 640 ft. The initial velocity of the object is 0 ft/s.

Q: The m = 420 gg mass in (Figure) is pushed across the 2.0-m-long cart by a 3.0 N force, starting at t...

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Q: Three equal charges of +3C are arranged in a straight line in the sequence of Q1, Q2 and Q3. The dis...

A: Given data- Three equal charges Q1=Q2=Q3= +3C Distance between charge 1 and 2 is =3/4 meters Distanc...

Q: This question is similar to the question above but read and calculate carefully. The situation has c...

A: Given:  Mass of cart = 45 kg Mass of Bonita = 52kg Pulling force (F) = 283 Newtons

Q: 1. Calculate the magnitude and direction of the electric field at point P which is 65 cm to the righ...

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Q: The relation a = -k/x is defined as the particle's acceleration. It is determined through experiment...

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Q: 1. Which of the following statements describes motion?  A. It is the ability to do work. B. It is th...

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Q: What helps prevent electric shock? Group of answer choices a)winter clothes b)two-prong plug c)wet ...

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Q: -800 Dimensions in mm F1 600 F2 F3 900 e-560-t-480- 480––| What is the x component of F1=774 N?

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Q: 4.3 (a) A canoeist (person) of mass m, sits at rest at the back end of a canoe. The canoe has a leng...

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Q: What is the final temperature of a substance that has a mass of 30 g, an initial temperature of 200 ...

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Q: Which of the following proportionality equations describe/s the velocity of a pendulum if the bob (m...

A: At maximum height velocity of simple pendulum is 0m/s.

Q: Vt = 120V R6 22 RI Z 102 R4 R2 102 122 R5 R3 ww

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Q: a (m/sec?) n = 0 8 m/s n= 1 4 m/s t (sec) 2 4

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Q: The distance between the centers of the earth and the moon is 3.85 × 108 m. The moon has a mass whic...

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Q: 1. Charging by conduction negative Before negative During Aegative After nevtral electrons move nega...

A: In the first figure the ebonite rod has negative charge and the electroscope is electrically neutral...

Q: A flywheel in the shape of a thin ring has a mass of 30 kg and a diameter of 0.96 m. A torque of 13 ...

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Q: A block of mass m is attached at the end of a spring of force constant 100N/m it vibrates in SHM wit...

A: Given data: force constant k = 100 N/m frequency f=10/π Hz  

Q: Three equal charges of +2C are arranged in a straight line in the sequence of Q1, Q2 and Q3. The dis...

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Q: 2114196 μm to ft

A: Given data:  Length (l) = 2114196 μm Required: Length in ft

Q: Consider a ball whose position in 2 dimensions is described by the equation #(1) = (4"j + 11) t + (3...

A: Since you have posted a question with multiple subparts, we will solve the first three only as per B...

Q: We compress the spring in the above system by 0.5 meters. Assume that the spring constant, k = 1,000...

A: (a) Express the relation for the initial potential energy stored in the spring. PEi=12kx2=12×1000 N/...

Q: xplain why an inverted image is seen under a compound microscope.

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Q: The highest atmospheric temperature ever recorded on earth was 57.8 C°. How will you express this te...

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Q: Explain why Semiconductors are Negative Temperature Coefficient materials?

A: The answer is below

Q: A laboratory technician drops a 0.085 kg sample of some unknown solid, at a temperature of 100.0°C, ...

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Q: A spring (k = 75 N/m) has an equilibrium length of 1.00 meter. The spring is compressed to a length ...

A: at highest point the spring energy will be converted into potential energy hence 12k∆x2=mghh=k2mg∆x2...

Q: A water hose is used to fill a rectangular tank of width H and height twice as its width. The hose j...

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Q: You are at the controls of a particle accelerator, sending a beam of 1.50 x 107 m/s protons (mass m)...

A: Given, Vp1=1.50×10^7m/s Vp2=1.20×10^7m/s

Q: A solid ball is rotated by applying a force of 4.9 N tangentially to it. The ball has a radius of 14...

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Q: help walk me through this question? A vendor at the local art fair ties her tent to the concrete-fi...

A: We know that we have given a concrete filled coffee can show in the figure in the coffee can is conn...

Q: On a sunny day, a person's eye has a diameter of 0.00220 m. Two objects are 48.4 m from the eye. Usi...

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Q: A converging lens has a focal length of 15 cm. Suppose an object is placed 40 cm in front of the len...

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Q: 7. A piece of material with a square cross-section measuring 1 mm on each side has a length of 1 m. ...

A: Length (L) = 1 m Side of square cross section = 1mm 

Q: A rectangular object weighs 400 N. It displaces a volume of water that weighs 300 N. a. Draw the fig...

A: In this question we have to draw a figure and calculate the buoyant force. Please give positive feed...

Q: Your physics book is at rest on a table as shown, there’s a weight force and a normal force acting o...

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Q: If it is 2 PM right now, what time was it 150 hours ago?

A: Current time = 2 PM To find: Time before 150 hrs=?

Q: 5. Rocket-powered sleds are used to test the human response to acceleration. If a rocket-powered sle...

A: Given data:   Initial velocity (Vi) = 0 m/s Final velocity (Vf) = 448 m/s Time (t) = 2.83 s Required...

Q: A labourer weighing 600 N is to carry 5 sacks of rice from ground floor to the second floor of the s...

A: Given  Weight of labour, W = 600 N  No of sack, N = 5  Mass of each sack ,M = 50 kg  Distance betwee...

Q: What is the y component of F3=469 N?

A: