F OT F g d Two balls have the same mass of 1.043 kg and identical charges of 22.33 μC. They hang from the ceiling on strings of identical length as shown in the figure. If the angle with respect to the vertical of the strings is 27.25°, what is the length of the strings?
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- A total charge of 4.69 C is distributed on two metal spheres. When the spheres are 10.00 cm apart, they each feel a repulsive force of 4.1*10^11 N. How much charge is on the sphere which has the lower amount of charge?A particle having a positive charge of 1.4 10-6 C experiences an upward force of 3 N when placed at a certain location in space. What is the magnitude and direction of the electric field at that point? magnitude= direction = What would be different about your answer if the particle possessed a negative charge of 1.4 10-6 C? The direction would be rotated 90°.The magnitude would be increased. The magnitude would be decreased.The direction would be reversed.Two charged spheres each have charges of 700 nC and masses of 0.04 kg. They are suspended from two very light strings at an angle of 0 = 8°. Find the distance between the spheres.
- Two particles A and B are released from rest, having equal charges of -5x10-6 C and initially separated by a distance of 0.025m. What is the magnitude of the electric force between the two particles?An electron has a charge of -1.6 x 1019 C. The electron is near a particle with a charge of -0.07 C and experiences a force of 0.094 N. How far is the electron from the particle?Two small spheres have the same mass and volume. One sphere has a charge of 4.00 micro Coulombs, and the other sphere has a charge of -1.00 micro Coulombs. If these two spheres are brought into brief contact with each other and then separated to a distance of 2.00 x 10^-1 metres, what is the electric force between them at this distance?
- A magnitude field of (0.004k) tesla exerts a force of (4î+31) × 10¯ 1ºN on a particle having charge of 1 × 10 °C and moving in x - y plane. The velocity of particle isA stationary block has a charge of +6.0 x 10^-4 C. A 0.80-kg cart with a charge of +4.0 x 10^ -4 C is initially at rest and separated by 4.0 m from the block. Calculate the cart’s speed after it is released and moves along a frictionless surface to a distance of 10.0 m from the block.Two point charges each with 0.15 CC of charge are 5.0×10−2 mm apart. Knowing that k is 9×10^9N⋅m^2/C (the proportionality constant for Coulomb's law), find the force between the charges. Express your answer to two significant figures and include the appropriate units.
- A small plastic sphere with a charge of -6.0 nC is near another small plastic sphere with a charge of -15 nC . If the spheres repel one another with a force of magnitude 8.3×10−4 N , what is the distance between the spheres?Two charges of opposite sign and equal magnitude Q = 0.82 C are held 2.0 m apart as shown in the figure. Determine the magnitude of the electric field at the point PAn object has an excess charge of -1.6 x 10 1 C. How many excess electrons does it have?