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A -49nC charge is distributed uniformly along the x-axis from x= -1.2m to x= 4m. Consider a point at y= 1.9m on the y-axis.
A) What is the x-component of the electric field at the point?
B) What is the y-component of the electric field at the point?
C) What is the total magnitude of the electric field at the point?
mass-spring system can oscillate with simple harmonic motion because a compressed or stretched spring has which kind of energy.
A gymnast with mass m1 = 49 kg is on the balance beam that sits on (but is not attached to) two supports. The beam has a mass m2 = 126 kg and length L = 5 m. Each support is 1/3 of the way from each end. Initially the gymnast stands at the left en..
how far is this point horizontally from the end of the ramp.
Just by the impact, the clay has speed v0 = 9 m/s, and the disk is rotating clockwise with angular speed w0 = 0.4 rad/s. Just following the impact, what is an angular speed of the combined system of wheel plus clay.
A science-fair radio uses a homemade capacitor made of two 45 cm by 45 cm sheets of aluminum foil separated by a 0.30-mm-thick sheet of paper, What is its capacitance
A simple pendulum consists of a bob of mass 1.8kg attached to a string of length of 2.5m. The pendulum is held at an angle of 30 degrees from the vertical by the light horizontal string attached to a wall.
A car (m = 1610 kg) is parked on a road that rises 17° above the horizontal. What are the magnitudes of (a) the normal force and (b) the static frictional force that the ground exerts on the tires?
The coefficient of kinetic friction is 0.50. A horizontal force of magnitude 87 N begins to pull directly on the block. In unit-vector notation, what are the resulting accelerations of (a) block and (b) slab.
Two objects attract each other gravitationally with a force of 2.5×10-10 while they are 0.60 apart. Their total mass is 5.0. Find out their individual masses.
What mass (in grams) of steam at 100°C must be mixed with 377 g of ice at its melting point, in a thermally insulated container, to produce liquid water at 58.0°C? The specific heat of water is 4186 J/kg·K. The latent heat of fusion is 333 kJ/kg, ..
Two negative, equally charged drops of water, 0.80 mm apart, exert an electrostatic force of 78.5 x 10-9 N on each other. Determine the net charge on each drop.
A sinusoidal transverse wave traveling in the positive direction of an x axis has an amplitude of 1.0 cm, a wavelength of 22 cm, find the speed of the wave
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