A disk of radius R=7.52 cmR=7.52 cm is centered at the origin and lies in the y-zy-z plane. The disk has a surface charge density σ=5.88×10−6 C/m2.σ=5.88×10−6 C/m2. Evaluate the electric field E(x)E(x) produced by this disk along the x-x- axis at point P=(1.19 cm,0.00 cm).P=(1.19 cm,0.00 cm). The Coulomb force constant k=1/(4π0)=8.99×109 N·m2/C2.

Groups of organs that work together to complete a process in the body are called: a. cells b. tissues c. nerves d. systems

Question 7 [2 marks] in the circuit below, the electromotive force generated by the battery is e = 6.0 v, and the resistances are r1 = r4 = 1.0 q, r2 = r3 =2.0 q. r. the power delivered by the battery to the circuit is closest to a. 6 w в. 12 w с. 15 w d. 18 w e. 20 w final exam autumn 2014 page 5 of 9 68037 physical modelling faculty of science [2 mark] question 8 with reference to question 7, the current through resistor r2 is closest to a. 1 a в. 2 а c. 3 a d. 4 a e. 6 a

Astudent pushes on a 20.0 kg box with a force of 50 n at an angle of 30° below the horizontal. the box accelerates at a rate of 0.5 m/s2 across a horizontal floor. what is the value of the normal force on the box? 200 n 243 n 156 n 225 n