# JAY Z

Newest questions and responses by JAY Z
1. ## Calculus II (Math)

integral of 5e^(-0.7x)

2. ## physics

An aluminum wire has resistance of per meter and carries a current If the power dissipated is find the electric field within the wire

3. ## physics

A aluminum wire has a diameter and uniform electric field of imposed along its entire length

4. ## physics

A wire with circular cross-section of radius 1mm carries a current of The speed of the carriers inside the wire is What is the current density in the wire? the charge density in the wire and how long it takes for an Avogadro’s number of charges to emerge

5. ## physics

A 2 μC charge is placed at × = 1 m while a second 2 μC Charge is placed at x=-1. Find (a) the electric field at y = 0.5 m, and (b) the electric force a -3 μC charge placed at y=0.5 m.

6. ## Calculus

A fence 8 feet tall runs parallel to a tall building at a distance of 6 feet from the building. What is the length of the shortest ladder that will reach from the ground over the fence to the wall of the building?

7. ## Calculus

Find the point P on the graph of the function y=\sqrt{x} closest to the point (2,0)

8. ## Calculus

A Norman window has the shape of a semicircle atop a rectangle so that the diameter of the semicircle is equal to the width of the rectangle. What is the area of the largest possible Norman window with a perimeter of 33 feet?

9. ## Calculus

A fence is to be built to enclose a rectangular area of 310 square feet. The fence along three sides is to be made of material that costs 4 dollars per foot, and the material for the fourth side costs 12 dollars per foot. Find the dimensions of the

10. ## Calculus

Find the point on the line -4x+7y+3=0 which is closest to the point(-5,-5)

11. ## Physics

A 1900 kg Oldsmobile traveling south on Abbott Road at 13.6 m/s is unable to stop on the ice covered intersection for a red light at Saginaw Street. The car collides with a 3854 kg truck hauling animal feed east on Saginaw at 9.8 m/s. The two vehicles

A snowboarder of mass 87.1 kg (including all of the gear and clothing), starting with a downhill speed of 6.1 m/s, slides down a slope at an angle $\theta$ of 36.7° with the horizontal. The coefficient of kinetic friction is 0.106. What is the net work