Currert Current Which of the following statements is correct? A. The resistance of the narrow section is more than that of the wide section. B. The resistance per unit length of the narrow section is twice that of the wide section C. The resistivity of the narrow section is greater than that of the wide section D. The current in the narrow section is less than that in the wide section. [A]

Q: Can you please answer this question and show the steps

A: Just before the box starts to slide, the static friction equals the tangent of the angle at which…

Q: Can you please answer number 4 and show all of the steps

A: The equation for the centripetal acceleration is Here,

Q: In the figure the four particles form a square of edge length a = 6.30 cm and have charges q1 = 6.58…

A: Given data: The charges are, q1=-q4=6.58 nC -q2=q3=17.8 nC The length of edge of square is a=6.30…

Q: 3. Using the Newton's second law model for a vibrating spring with damping and no forcing, my" + by'…

A: Given: The mass attached to the spring is m = 10 kg The spring constant of the spring is k = 250…

Q: 4. A block of mass 0.5 kg, originally at rest, is attached to a horizontal cord and dragged along a…

A:

Q: Section 10.6 Motion in a Vertical Circle 10.31. A rock rests on the bottom of a bucket moving in a…

A:

Q: A very long wire carries a current i. What is the direction of the magnetic field at point P, a…

A:

Q: Given the following circuit, solve for each item in the table V1=30v, R1 = 50 02, R2 = 100 0, 30₁ =…

A:

Q: 22. The rate of growth of a fish population is modelled by 60000e-0.6t (1 + 5e-0.6t) 2¹ where t is…

A:

Q: FG) = BinCt) + sin(at) 14 is appbed to the Ryatem, Aoume egqual to twicó the velocuty, and find the…

A: Spring Constant, k = 10 lb/ft Mass of the object, m = 32lb = 32lb/32lb = 1 slug of mass…

Q: 10.15. On a rainy day, the coefficient of static friction between tires and the roadway is only 0.4.…

A:

Q: 2. Calculate the average speed V and the most probable avg speed V for Oxygen.

A:

Q: A pipe with a diameter of 0.50 m drains water from a large reservoir as shown in the schematic. The…

A: Conservation of mass in fluid flow gives  Av=constant Where A is Area at which the flow

Q: Hooke's law describes a certain light spring of unstretched length 34.2 cm. When one end is attached…

A:

Q: Problem 2 A 50-g mass on the end of a horizontal spring (k = 100 N/m) is moving at a speed of 2 m/s…

A: Given: The mass: m = 50 g = 0.05 kg; The spring constant: k = 100 N/m; The speed: v = 2 m/s at the…

Q: . Water at a pressure of 3.8 atm at street level flows in to an office building at a speed of 0.06…

A:

Q: 10. A 65 kg swimmer moving at 14 m/s comes to a stop in 2 m. Find the net force on the 3,200N)…

A: Initial velocity of swimmer U = 14 m/s  Final velocity of swimmer V = 0 m/s  displacement d = 2 m…

Q: You take a mercury barometer to Venus, where the acceleration due to gravity is 9.04 m/s2, and the…

A:

Q: 16. How much work was done by a student who grabbed his 20 N backpack, lifted it 0.75 meters to put…

A:

Q: 42. M V-HINT A 15.0-m length of hose is wound around a reel, which is initially at rest. The moment…

A:

Q: 13. (12pts) In the circuit below, find the current through and 53.20120 17,7337mA R₁ 3 ΚΩ V₂ 111 V…

A:

Q: 59. Through what minimum potential difference must an electron in an X-ray tube be accelerated so…

A:

Q: 6) XI X2 Figure 13 yı y2 (a) (b) Fig. 12 shows (a) a simple mercury barometer and (b) the same…

A:

Q: A runner traveling with an initial velocity of 0.12 m/s accelerates at a constant rate of 0.70 m/s²…

A: The acceleration of an object is calculated by using the formula a=vf-vi∆t , where vf is the final…

Q: Carbon 14 half life if 5700 years. A newly discovered fossilized organism is estimated to have…

A: Given that               The half life of C-14 is (t12 )= 5700year               The initial amount…

Estimate of calculation