Question: (refer to the photo below) Keep plate separation plate and area plate constant. Now, slowly increase potential. Observe the changes in following quantities: a. Charge (Q) on capacitor b. Capacitance (C) of capacitor c. Potential (V) across capacitor d. Electric Field (E) between plates e. Direction of motion of electrons through battery

Q: Two balls, A and B, collided together. Ball A has a mass of 0.6 lbs and an initial velocity of 2.25 ...

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Q: A student of weight 641 N rides a steadily rotating Ferris wheel (the student sits upright). At the ...

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Q: A new temperature scale is being developed in a certain laboratory. On this new scale the freezing p...

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Q: The siren of a ambulance emits a frequency of 1700 Hz. A stationary observer detects a frequency of ...

A: Given that:- f=1700 Hzf'=1825 Hzv=343 m/svs=? Since, observed frequency is more than the actual freq...

Q: A Small metal sphere of charge –2.0 x 104 C sits on the roof of a 5.0-kg cart as shown. The sphere m...

A: In this question we have to find the speed when the sphere is 2m from the wall charge.Please give po...

Q: A motorist travels 160 km at 80 km/h and 160 km at 100 km/h. What is the average speed of the motori...

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Q: SET B : A 4.5 TONS OF RECTANGULAR BLOCK OF ICE HAS THE FOLLOWING DIMENSIONS: 6.5 ft in length; 3.25 ...

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Q: Directions: Anytime a force vector is directed at an angle to the horizontal, the trigonometric func...

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Q: Given data Charge=7 mC time=3 s Determine current

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Q: The kinetic energy of a 4.0 kg object moving at 3.0 m/s is: 1. 12 J *2. 18 J 3. 36 J 4. 48 J

A: Given: Mass = m = 4 kg Velocity = v = 3 m/s We have to find kinetic energy

Q: Block A in the figure below has mass ma = 3.5 kg and is sliding down the ramp. Block B has mass mg =...

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Q: 1.2-cm-wide diffraction grating has 1000 slits. It is illuminated by light of wavelength 500 nm. Wha...

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Q: 1. Compute for W1 to pull he block up 2. Compute for W1 to keep the block in position 3. If the surf...

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Q: What is the magnitude of the resultant of the following vectors? Vector A = 90 m, 35° N of W Vector ...

A: Given value--- Vector A = 90 m, 35° N of W Vector B = 45 m, 40° S of E We have to find--- What is...

Q: 1 kg of coffee, originally at 95°C, is placed into an insulating cup. You wish to cool the coffee do...

A: Given,mc = 1 kgTc = 95 °CTf  =80 °CTi = -5 °C Ccoffee = 4186 Jkg.KCice = 2100 Jkg.KLice = 334000 Jkg

Q: The time constant of an RC circuit is 3.7 seconds.  How much time is required for the capacitor (whi...

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Q: linear spring with a spring constant of k, which compresses from position x; to position Xf. m Part ...

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Q: A positive charge enters a uniform magnetic field as shown. What is the direction of the magnetic fo...

A: The direction of the magnetic force can be find using the right hand thumb rule. Where the thumb ind...

Q: The density of brass is 8.7 ax 10° kg/m. What is the mass of a 3.2 x 10- m3 sample of brass ? O 3.68...

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Q: If the velocity versus time graph of an object is a horizontal line, the object is (A A) moving with...

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Q: Draw the free body diagram for this figure and show the forces along y-axis and x-axis. 30° Ts 40° T...

A: The below free body diagram shows the all forces acting on the 2 kg body.

Q: The figure shows the interference pattern on a screen 1.0 m behind an 820 line/mm diffraction gratin...

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Q: Why does the SI Measurement System use “kilogram” instead of “gram” as the base unit of mass?

A: Here, we have to answer , why is kilogram used instead of gram as the base unit of mass. Let's see h...

Q: A 0.718 kg toy car is powered by four AA batteries (6.00 V total) connected directly to a small DC m...

A: Given that:- Mass of toy car=m=0.718kg

Q: A speaker produces a beat frequency of 6 Hz with a 336 Hz tuning fork and a beat frequency of 8 Hz w...

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Q: 2. A vector has an x-component of -25.0 units and a y-component of 40.0 units. Find the magnitude an...

A: There are two different questions. According to guideline l solve only first one. 

Q: Which of the following is false?   a. Molecules will move in 6 possible direction. Thus, it is accep...

A: Correct option is 'a'   In liquids, particles are quite close together and move with a random motion...

Q: A mass is sliding on a frictionless surface with a speed v. It runs into a linear spring with a spri...

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Q: There is a particle with mass m = 2 kg attached to a smooth wire that is positioned horizontally so ...

A: Force along the horizontal constraint Fx=Fcosθ(t)=Fcos0.2t+0.3

Q: Assuming that the field of view is flat, what is the resultant vector (yellow line) of an observer p...

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Q: A force F, of magnitude 5.10 units acts on an object at the origin in a direction 0 = 50.0° above th...

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Q: Assuming that the field of view is flat, what is the resultant vector (yellow line) of an observer p...

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Q: Electric charge is uniformly distributed inside a nonconducting sphere of radius 0.30 m. The electri...

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Q: 5. How would the current divide in a parallel branch of a circuit containing two resistorsD and R, i...

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Q: A vector A has components A, = -3.50 m and A, 6.50 m. Find the magnitude (in m) and the direction (i...

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Q: A hydrogen atom is 0.53 Å in radius. Use uncertainty principle to estimate the minimum energy an ele...

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Q: I) Do you believe that all the observers of the Earth see the same stars that you have observed from...

A: Collection of stars is a Constellation, three dimensionally that are distributed- the stars are all ...

Q: Does Hubble’s Law have anything to say about the motion of stars relative to other stars in the same...

A: Hubble’s Law can be applied to all the galaxies that are present in a milky way. It is only applicab...

Q: Carry out the following arithmetic operations. (Enter your answers to the correct number of signific...

A: We have to find the sum, product (a)  578 is answer (b) 2.4 (c) 56.206  

Q: 13. (Ch 5) You are holding a book against a wall by pushing up at an angle with your hand. Your push...

A: Given: mass of book = m  angle of push = θ coefficient of static friction = μ

Q: friction betwll Praw FBD) 3, The coefficient of stardie fhcdion betueen a Ho. o Kg picnc table and t...

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Q: The kinetic energy of a 4.0 kg object moving at 3.0 m/s is: 1. 12 J 2. 18 J

A: Given ,           mass of object ( m) = 4 kg          velocity (v) =  3 m/s

Q: 2. Two charges are arranged in the x-axis as shown on the illustration. The first charge 91 = +25 nC...

A: Given value--- q1 = +25 nC. q2 = -13 nC. We have to find--- magnitude and direction of the net el...

Q: A train 350 m long is moving on a straight track with a speed of 80.1 km/h. The engineer applies the...

A: Given  Length of train, L = 350 m  Initial speed, Vi = 80.1 km /h  = 22.25 m/s Final speed, Vf = 18....

Q: Please help! Required information: A cheetah can accelerate from rest to 52.9 m/s in 2.00 s. Assume ...

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Q: Define contrast and how is it measured through refractive index

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Q: A current-carrying wire is in a B-field and experiences a magnetic force (Fg>0). The current directi...

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Q: Three forces act on a moving object. One force has a magnitude of 80.7 N and is directed due north. ...

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Q: If a car takes a banked curve at less than the ideal speed, friction is needed to keep it from slidi...

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Q: A car accelerates from rest at 7.55 m/s2 for 4.25 s. Determine the final velocity of the car.

A: Given: The initial velocity of the object is 0 m/s. The acceleration of the object is 7.55 m/s2. The...

Electric Charges and Fields

One of the fundamental properties is the electromagnetic property. Charge cannot be destroyed by any process and this contributes formally to the law of charge conservation.