Contoh Soal Dan Pembahasan Fisika Kelas Xi Semester 2

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Kumpulan soal fisika dan pembahasannya kelas xi semester 2 - Berikut ini adalah kumpulan soal fisika dan pembahasannya kelas xi semester 2 yang bisa Anda download secara gratis di website kami. Jan 13, 2018 - Momentum dan Tumbukan Fisikastudycenter.com- Contoh Soal dan Pembahasan Momentum dan tumbukan, Materi Fisika kelas 2 SMA.

2.1 What is the magnitude of a point charge that would create an electric field of 1.0 N/C at points 1.0 m away? [0.111 nC] Problem No. 2.2 What is the magnitude of a point charge whose electric field 50 cm away has the magnitude 2.0 N/C? [56 pC] Problem No. 2.3 Two equal and opposite charges of magnitude 2.0x10 C are held 15 cm apart.

What are the magnitude and direction of E at the point midway between the charges? [6.4x105 N/C] b).

What are the magnitude and direction of the force that would act on an electron placed there? [1.024x10-13 N] Problem No. 2.4 In figure below, locate the point at which the electric field due two charges is zero? [1.725 a] Problem No.

2.5 Two charges q1 = 2.1x10-8 C and q2 = - 4.0 q1 are placed 50 cm apart. Find the point along straight line passing through the two charges at which the electric field is zero. [0.5 m] Problem No.

2.6 Calculate the direction and magnitude of the electric field at point P in figure below. Download lagu ungu-ku ingin kau tahu. [q/o a2 ] Problem No.

2.7 Calculate the electric dipole moment of an electron and proton 4.30 nm apart. [6.88x10-28 Cm] Problem No. 2.8 An electron is released from rest in a uniform electric field of magnitude 2.00x10 N/C. Calculate the acceleration of the electron [3.517x1015 m/s2] Problem No. 2.9 In figure below, a semi-infinite nonconducting rod has uniform charge per unit length of .

Jawaban

Show that the electric field at point P makes an angle of 45o with the rod and that this result is independent of the distance R. 2.10 Humid air breakdown (its molecules become ionized) in an electric field of 3.0 x106 N/C. In that field, what is the magnitude of electrostatic force on a).

[- 4.8x10 N] b). An ion with single electron missing? [-4.8x10 N] a). What is the acceleration of an electron in a uniform electric field of 1.40x106 N/C?

[2.246x1017 m/s2 ] b). How long would it take for the electron, starting from rest, to attain one-tenth of speed of light? [0.122 ns] c).

How far would it travel in that time? [1.83 mm] Problem No. 11 Problem No. 2.11 An electron with a speed of 5.00x108 cm/s enters an electric field of magnitude 1.00x103 N/C, traveling along the field in the direction that retards its motion. How far will the electron travel in the field before stopping momentarily? [7.11 cm] b). How much time will have elapsed?

[2.84 ns] c). If, instead, the region of electric field is only 8 mm wide (too small for the electron to stop), what fraction of the electron initial kinetic energy will be lost in that region? [11.3%] Problem No. 2.12 In Millikan’s experiment, a drop of radius 1.64 µm and density 0.851g/cm3 is suspended in the lower chamber when a downward-pointing electric field of 1.92x105 N/C is applied. Find the charge on the drop in terms of e. [ 5e] Problem No. 2.13 An object having a mass of 10.0 g and a charge of +8.00x10-5 C is placed in an electric field E with Ex = 3.00x103 N/C, Ey= -600 N/C and Ez =0 a).

What are the magnitude and direction of the force on the object? [0.245 N, -11.3o ] b). If the object is released from rest at the origin, what will be its coordinates after 3.00 s? [108, -21.6] m Problem No. 2.14 At some instant the velocity components of an electron moving between two charge parallel plates are vx = 1.5x105 m/s and vy = 3.0x103 m/s. If the electric field between the plates is given by E=(120 N/C) j, a).