Question

Help with physics please

Coulomb constant is 9 × 109 N·m2/C2 3, 135° 4. 90° 5.315° < θ < 360° 6.225° 7.0。 8. 45 <90° θ< 180° Answer in units of N θ<135° 021 (part 1 of 2) 10.0 points Consider a square with side a. Four charges +9, +9-g, and +q are placed at the corners A, B, C, and D, respectively θ < 270° θ<45° 023 10.0 points Two identical small charged spheres hang in equilibrium with equal masses as shown in the figure. The length of the strings are equal and the angle (shown in the figure) with the vertical is identical What is the magnitude of the electric field at D due to the charges at A, B, and C? 1.1 = 5 kg 2 a2 7 kq 0.02 kg 0.02 kg 3 kq Find the magnitude of the charge on each sphere. The acceleration of gravity is 9.8 m/s2 and the value of Coulomb's constant is 8.98755 × 109 N·㎡/C2. Answer in units of C. 5 kq 024 10.0 points 3 kq A balloon rubbed against denim gains a charge of-6.0 ,C. 0 What is the electric force between the balloon and the denim when the two are separated by a distance of 5.0 em? (As- sume that the charges are located at a point.) The value of the Coulomb constant is 8.98755 x 109 N·㎡/C2 10. E9g 022 (part 2 of 2) 10.0 points The polar angle of the corresponding electric Iclude direction of the force. fiekd vector at D is within the range Answer in units of N 1.270° θ < 315° 025 10.0 points An object with a net charge of 29 pC is placed in a uniform electric field of 646 N/C, directed 2.180° θ<225°

Answer 1

a. 45 a2 k2 2a2- V도 at 242 Posihve 1 353SS3 0,6464 466 0-tan' C-2, 0938): ニー2-0938 -64-47