A block with a mass m and charge q is placed in an electric field Upper E Overscript right-arrow EndScripts equals Upper A Baseline Number i Overscript ̂ EndScripts plus Upper B j Overscript ̂ EndScripts comma where A and B are constants. If the block is released from rest at the origin at time t = 0, what are its (a) x, (b) y, and (c) z coordinates at time t?
A block with a mass m and charge q is placed in an electric field Upper...
How to solve this problem ? : A big olive (m = 0.14 kg) lies at the origin of an xy coordinate system, and a big Brazil nut (M = 0.48 kg) lies at the point (0.79, 2.2) m. At t = 0, a force Upper F Overscript right-arrow EndScripts Subscript 0 Baseline equals left-parenthesis 2.4 i Overscript ̂ EndScripts plus 4.1 j Overscript ̂ EndScripts right-parenthesis N begins to act on the olive, and a force Upper F Overscript...
A 11 N horizontal force Upper F Overscript right-arrow EndScripts pushes a block weighing 4.7 N against a vertical wall (see the figure). The coefficient of static friction between the wall and the block is 0.71, and the coefficient of kinetic friction is 0.39. Assume that the block is not moving initially. (a) Will the block move? ("yes" or "no") (b) In unit-vector notation Upper F Subscript x Baseline i Overscript ̂ EndScripts plus Upper F Subscript y Baseline j...
Two 7.5 kg bodies, A and B, collide. The velocities before the collision are v Overscript right-arrow EndScripts Subscript Upper A Baseline equals left-parenthesis 40 i Overscript ̂ EndScripts plus 49 j Overscript ̂ EndScripts right-parenthesis m divided by s and v Overscript right-arrow EndScripts Subscript Upper B Baseline equals left-parenthesis 35 i Overscript ̂ EndScripts plus 11 j Overscript ̂ EndScripts right-parenthesis m divided by s. After the collision, v Overscript right-arrow EndScripts Subscript Upper A Superscript prime Baseline...
A free electron is placed between two large, parallel, nonconducting plates that are horizontal and 7.83 cm apart. One plate has a uniform positive charge; the other has an equal amount of uniform negative charge. The force on the electron due to the electric field Upper E Overscript right-arrow EndScripts between the plates balances the gravitational force on the electron. What are (a) the magnitude of the surface charge density on the plates and (b) the direction of Upper E...
A block with a mass of 7.75 g and a charge of +6.82 × 10-5 C is placed in an electric field with x component Ex = 2.63 × 103 N/C, y component Ey = -607 N/C, and z component Ez = 0. (a) What is the magnitude of the electrostatic force on the block and (b) what angle does that force make with the positive x direction? If the block is released from rest at the origin at time...
A block with a mass of 8.34 g and a charge of +6.82 × 10-5 C is placed in an electric field with x component Ex = 3.92 × 103 N/C, y component Ey = -756 N/C, and z component Ez = 0. (a) What is the magnitude of the electrostatic force on the block and (b) what angle does that force make with the positive x direction? If the block is released from rest at the origin at time...
A small block of mass m and charge Q is placed on an field is applied parallel to the 0 (a) Find an expression for the magnitude of the electric field that enables the block to remain at rest. (Use any variable or symbol stated above along with the following as necessary: g for the acceleration due gravity.) b) l m s. 469. magnitude 6 si #26.5, determine the magnitude and the direction of the electric field that enables the...
A small block of mass m and charge Q is placed on an insulated, frictionless, inclined plane of angle u as in Figure P15.21. An electric field is applied parallel to the incline. (a) Find an expression for the magnitude of the electric field that enables the block to remain at rest. (b) If m = 10.8 g, Q = -7.00 µC, and θ= 25.0°, determine the magnitude and direction of the electric field that enables the block to remain...
A small block of mass m AMT and charge Q is placed on an insulated, frictionless, inclined plane of angle θ as in Figure below. An electric field is applied parallel to the incline. a) Find an expression for the magnitude of the electric field that enables the block to remain at rest. b) If m = 5.40 g, Q = -7.00 µC, and θ = 25.0o, determine the magnitude and the direction of the electric field that enables the...
A block with a mass of 8.85 g and a charge of +1.31 × 10-5 C is placed in an electric field with x component Ex = 2.62 × 103 N/C, y component Ey =-673 N/C, and z component E,-0. (a) what is the magnitude of the electrostatic force on the block and (b) what angle does that force make with the positive x direction? If the block is released from rest at the origin at time t = 0,...