34.  Two positive charges q1 and q1 are separated by a distance r. The charges repel each other with a force F. If the distance between the charges is decreased four times, what is the new force acting on each charge? Group of answer choices ¼ F 4F 2F 16F

Q: How much electron volt can be use to move 2 nC charge on 2V battery? ) 250 GeV 205 GeV | ) 502 GeV 5...

A: Q = 20 nC = 20*10-9 C  V = 2 V

Q: loop is placed in a region where the magnetic field is changing. At t = 0 s the magnetic field is 1 ...

A: A loop is placed in a region where the magnetic field is changing. At t = 0 s the magnetic field is ...

Q: 11. Find e (in degrees). (0.35m, 0.49m) Knee Ankle (0.1m, 0.15m)

A: GivenCoordinates of Ankle (x1,y1) = (0.1 m, 0.15 m)Coordinates of Knee (x2,y2) = (0.35 m, 0.49 m)

Q: The electric field between two parallel plates connected to a 100V battery is 2500N/C. How far apart...

A: Given value--- Electric field = 2500 N/C. potential = 100 V. We have to find--- separation betwee...

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A: Given value--- potential difference = 355 V. We have to find--- Calculate the speed of a proton a...

Q: Beats are produced by two different loudspeakers operating at 454 Hz and 563 Hz. Calculate the the b...

A: Given data:  Two loudspeaker operating at different frequencies f1 = 454 Hz and f2 = 563 Hz Required...

Q: What equation will solve the given problem below? A 3.0x105 kg car is 4.5x10-2 m away from a truck a...

A: Since Gravitational force, F = Gm1m2/r2

Q: An incompressible fluid is flowing through a pipe with a constriction. The pipe is on an incline wit...

A: Given : Angle of inclined pipe = 30.0o Length of inclined pipe=10.0 m Velocity of the fluid in the n...

Q: Mars has a mass 0.642 x 1024 kg and a radius of 1700. kg. On average, it is 228 x 106 km from the Su...

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Q: (1) What is a definition of electric current? Label the variables. (2) Suppose that 1016 electrons p...

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Q: Explain why it is thermodynamically incorrect to say that the refrigerator door must be kept close...

A: In a closed fridge, the heat is removed from the fridge and rejected to the room which increases the...

Q: The electric field between two parallel plates connected to a 100V battery is 2500N/C. How far apart...

A: GivenLotage of battery ,V=100 VElectric field between two parrallel plates ,E=2500 N/C

Q: A radioactive sample has a mass of 999 grams. How much remains after 2 half-lives?

A: If the amount of a radioactive sample is N0 initially, then after 1st half live of the sample, it be...

Q: 1. Samuel kicks a soccer ball across a grassy field and it eventually comes to a stop. If Newton's l...

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Q: The coefficient of kinetic friction under block A is 0.30 and under block B is 0.20. Find the accele...

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Q: Yong had stopped his cart which has a mass of 500 kg  just before a 30degree hill covered in ice. He...

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Q: An object is placed 11.6 cm in front of the cornea. (The cornea is thin ans has approximately parall...

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Q: Calculate the work for the expansion of 3 moles of B,H; at 40°C from 2.74 L to 3.89 L using van der ...

A: We know that  We have given a general equation of the van der Waals is given as  P+anv2vn-b= RT  We ...

Q: What is the linear acceleration of the falling 2 kg mass in the figure? It is attached to a 6kg soli...

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Q: i þraw a graph of į versus r and comment on the graph and also Draw a graph of sin į versus sin r. W...

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Q: 6. Consider the system shown in Figure 1.6. The rope and pulley have negligible mass, and the pulley...

A:

Q: What is the electric flux on the surface of a sphere with a 1.5m radius containing a charge of 102.3...

A: Given: The radius of the sphere is 1.5 m The charge enclosed by the surface is 102.3 mC.

Q: A fully charged capacitor with a voltage of 120 V is discharged through a resistor. (a) What is the...

A: Initial Voltage, Vm=120 VoltsTime, t=5RC

Q: Which object is located at one foci of the elliptical orbit of Mars

A: Which object is located at one foci of the elliptical orbit of Mars

Q: 4. A vertical wire 5 cm long and 0.0089 cm² cross-sectional area has Y = 200 GPa. A 2.5kg object is ...

A: Write the expression for the stress. Here, F is the force and A is the area. Write the expression f...

Q: Aparticle with a mass of 1,81 g and a charge of -2,50 nC. The particle moves with a velocity of 4,00...

A: Determine the force on the particle.

Q: What is the kinetic energy (in J) of the block when it is moving at 4.00 m/s?  ______J   Next, let's...

A: Here, Let the initial velocity vi = 4m/s to the right mass of block, m = 5kg Force, F = 11N Distance...

Q: What is the x-component of a vector with a magnitude of 73 cm, 41° South of eas

A: Given: The magnitude of the vector is 73 cm. The direction of the vector is 41o South of East. The d...

Q: The brakes applied to a car produce an acceleration of 6 m s² in the opposite direction to the motio...

A: Given data : Final velocity V=0 m/s Acceleration a=6 m×s-2 Time (t)=2 s   To find : Distance travell...

Q: 3. In the circuit below the emf of the battery (in volt (A) 200 (B) 275 (C) 149 (D) 400 (E) 325 (F) ...

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Q: If a hollow sphere of radius R is charged with one unit of static electricity, then the field intens...

A: Sketching the graph of electric field (E) for three different intervals of the values of x:

Q: What is the weight of a 85.0 kg person standing on the surface of the Earth? What would the weight o...

A: Mass of the person is M = 85 kg 

Q: Mass m - 2 is arttached to a rope 0.35m long and is released when the rope is horizon tal its path m...

A:

Q: 21. A student wishes to determine the spring constant of a spring in a mass-spring oscillating syste...

A: Restoring force on a spring F = kx Where k = spring constant x = extension produced

Q: An object of height 5.50 cm is placed 30.0 cm to the left of a converging lens with a focal length o...

A:

Q: If a circuit has a resistance of 20 ohms and a current of 18 A, what is the voltage ?

A: The answer is below

Q: A laser beam of diameter d1 = 1.3 mm is directed along the optical axis of a thin lens of focal leng...

A: Given:   d1=1.3 mmf1=+5.1 cm =+51mmd2=3.9mm

Q: The Earth completes one eastward rotation every 23.935 h = 86,164 s (close to 24 h). For this proble...

A: Time taken to complete one rotation t=24 h=86164 s, radius of the earth at the equator r=6.384*106m ...

Q: Let's return to our ball-Earth example, only now let's examine a case where a ball is rising in the ...

A: Near the Earth's surface, the gravitational potential energy of a system consisting of the earth and...

Q: 2. Two point charges, qı=q2=15nC, are located on the x-axis and is 10 meters apart. Assuming that qi...

A:

Q: Given the vectors A = 2.00i + 6.00j and B = 3.00i 2.00j, (a) draw the vector sum C = A + B and the v...

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Q: Since the initial potential energy and final kinetic energy are zero, our equation now becomes EP,f ...

A:

Q: What is the relation of the coefficient of static friction to the angle of inclination?

A: According to question we need to find relation of the coefficient of static friction to the angle of...

Q: Consider a wave on a string with constant tension. If the frequency of the wave is doubled, by what ...

A:

Q: What happens to the capacitance if the material placed between the capacitor has a high dielectric c...

A: Write the expression for the capacitance. Here, k is the dielectric constant, A is the area, and d ...

Q: 20. A 0.9 kg block is attached to an unstretched spring with a spring constant of 10 N/m. The block ...

A: Given data-                      block mass (m) = 0.9 Kg                   Spring constant (K) = 10 ...

Q: 12. What is the electrostatic force experienced by a small charge (q = 6.0 μC) inside a uniform elec...

A: Given small charge = q = 6.0 μC Strength of uniform electric field = E = 2.9 N/C We have to calculat...

Q: 18. In Coulomb’s Law, it was stated that the electrostatic force has an inverse square relationship ...

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Q: The electric potential energy of two point charges approaches zero as the two point charges move far...

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Q: 3. Find the work required to pump water over the top of a cylindrical barrel if the barrel is 3 feet...

A: Write the equation for work as below. W=mgh Here, W is work, m is mass, g is acceleration due to gra...