What is the use of x-rays in the medical field? O treatments diagnosis and treatments diagnosis

Q: A lever is used to lift a heavy load. When a 25 N force pushes one end of the lever down 1.8 m, the ...

A: a. Mechanical efficiency is defined by. L=(E*d)/(D) Given that E=25 N. d=1.8m D=0.3m Therefore L=(25...

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Q: Maps O Translate MODULE 4.2 Electr. INSTRUCTIONS: Show your complete solution to each problem on a s...

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Q: Hi there. I need some help with this question. A car with 56-cm -diameter tires accelerates uniform...

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Q: Part B The figure (Figure 1) shows some equipotentials in the T-y plane. What is the magnitude of th...

A: equipotentials are shown in the figure in a x-y plane   

Q: A 500-N object is to be given an acceleration of 0.5 m/s2. How large an unbalanced force must act up...

A: Determine the mass of the object.

Q: From the figure, the four particles form a square of edge length a = 3 cm and have charges q1 = 7 nC...

A: We have four charges of magnitude q1=7 nC, q2=-15 nC, q3=14 nC and q4=-16 nC at four corners of a sq...

Q: A machine mazx 16 g * 24 cmst then fosce of recoil is fires 11 bulleds/s, each of the sped, to each ...

A: Given: The rate of bullet is 11 bullets/s. The mass of each bullet is 16 g. The speed of the each bu...

Q: What work needs to be done to get a 1000kg car from 90km/h to 108 km/h?     A.) 12.5 kJ     B.) 54...

A: Given Mass of the car is m=1000 kg Initial speed of the car is v0=90  km/h=90km1 h×1000 m1 km×1h60 m...

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Q: A block whose mass 6 kg is released from rest from a height of 4. The quadrant portion is smooth exc...

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Q: An object travels along the vector d1 = 4m į + 5m j and then along the vector d2 = 2m į - 3m j. How ...

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Q: To what height should a box of be lifted. so that its potential may become 6340 Joules ? mass 1t0ka ...

A: Given data :                           Gravity  =  g                          Mass    =   m         ...

Q: A line charge of length 4m with charge 10nC gives off an electric field of 0.1175 N/C at some distan...

A: Length (L) = 4 m charge (Q) = 10 nC electric field (E) = 0.1175 NC  

Q: fors 11 bulleds/s, each of the speed, to each bullet x * 24 cmsI, then foxce of recoil is A machine ...

A: Given value--- fires of bullet = 11 bullet per second.  mass = 16 g. speed = 24 cm/s. We have to f...

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A: Force = rate of change of linear momentum is called force .  F= dp/dt Recoiling force is equal in ma...

Q: A point charge of −5μC is located at x = 4 m, y = −2 m. A second point charge of 12μC is located at ...

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Q: Helmholtz coils are frequently used in experiments because they create a uniform magnetic field abou...

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Q: 4. A certain amount of excess charge is transferred a conducting sphere with a diameter of 30 cm suc...

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Q: 1. Point charges q, and q2 of +6nC located at the origin and -8nC located at (30 cm, 0) Calculate th...

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Q: The electric potential for an infinite plane of charges is O Quadratic O Zero O Linear O o/(e_0 x)

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Q: Two solenoids are nested coaxially such that their magnetic fields point in opposite directions. Tre...

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Q: Create a total displacement versus time graph. DO NOT calculate any slope. What do you notice about ...

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Q: Two identical point charges q = 6.00μC are placed at opposite corners of a square with length 3.00 c...

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Q: A machine gun fors 11 bulleds/s, each of , the peed, o each bullet x * 24 cmsI, then fosce of recoil...

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Q: Charges q1, 92 and q3 are arranged in the x-axis. Charge q3 = 14 nC and is at the origin. Charge q2 ...

A: Given value--- Charge q 3 = 14nC and is at the origin. Charge q 2= 3.8nC and is at x = 9 cm. Charge...

Q: 5. Find the relative permittivity ɛr of the dielectric material present in a parallel-plate capacito...

A: Q.5GivenA = 0.12 m2d = 80μmV = 12 VU = 1μJ

Q: Compute for the y-component of 21.2248-unit vector directed 214.7817 degrees with respect to the pos...

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Q: Rectilinear Periodic Projectile Circular Oscillatory Vibratory Revolution of Venus around the Sun Mo...

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Q: Three charged particles of q, = 30.0 nC, q, = -30.0 nc, and 93 = 15.0 nC are placed on the y-axis, a...

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Q: What is the acceleration of the object . If 70 N force applied on a 20 kg object

A: Given that                   The mass of the object is (m) = 20Kg                   Force (F) = 70N

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Q: A piece of metal with a length of 5mm, a cross-section area of 0.5mm and the specific resistance of ...

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Q: Consider a positive charge q located at (-d, 0), and a negative charge -g located at (0, d). What is...

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Q: In isolated system, the total amount of energy is . * constant O high O low zero O 100 % O O O O

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Q: Two parallel plates AB are insulated by vacuum with a distance of 5 cm between them. An accelerating...

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Q: Point charges q1 and q2 of +6nC located at the origin and -8nC located at (30 cm, 0) Calculate the e...

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Q: To what height should a box of mass 1fok be lifted. s0 that its potential enepe may become 6 340 Jou...

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Q: 4 THE RINGS Op SATURN ARE ABOUT 7300ko FROM THE CENTER Of Tb PLANET, CALCOLOTE PERIOO OF ORBIT,

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Q: A force of 500N is used to stretch a spring with a 0.5kg mass attached to it by 0.35m. a) What is th...

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Q: Put Newton's 1st Law of Motion into your own words.

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Q: A force is given by the vector F = ( 4 i + 23 j) N and moves from the point (3i + 9j) m to the point...

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Q: 1. Calculate the electric force between two charges-3.79 x 10 1C and 5.67 x 10 - 10 C placed 3.5 x 1...

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The Bohr model

Students often get confused between Rutherford’s model and Bohr model of an atom. They interpret the postulates of both these models to be the same, which is incorrect. Rutherford’s model differs from Bohr’s model in the following ways: