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Imagine two 1.5 bags of protons, one at the earth's north pole and the other at the south pole.
A. Calculate the gravitational attraction that each bag exerts on the other.
B. Calculate the the electrical repulsion that each bag exerts on the other.
C. Is the gravitational force in part A large enough for you to feel if you were holding one of the bags?
D. Is the electrical force in part B large enough for you to feel if you were holding one of the bags?
Green light at 532 nm lights a diffraction grating with 800 lines per cm. Diffraction pattern is on screen 7.5m away. Calculate distance between the diffraction peaks on the screen
A bat flying in a cave emits the sound pulse and receives its echo in 3.5 s. How far away is the cave wall.
A 17g particle is moving to the left at 24m/s. How much net work must be done on the particle to cause it to move to the right at 40 m/s.
At a soft drink bottling plant, a horizontal section of pipe carrying citric acid in liquid form goes from a cross-sectional area of 8.00 cm2, determine the liquid flow speed and the liquid pressure
A parallel-plate capacitor is charged to an electric potential of 337 V by moving 3.88E+16 electrons from one plate to the other
A magnetic field near the ceiling points up and is decreasing. Looking up at the ceiling, does non-Coulomb electric field curl clockwise or counter-clockwise.
Two particles are fixed to an x axis: particle 1 of charge q1 = +2.1 10-8 C at x = 20 cm and particle 2 of charge q2 = -4.00q1 at x = 70 cm. At what coordinate on the axis is the net electric field produced by particles equal to zero.
An object has a kinetic energy of 279 J and a momentum of magnitude 24.3 kg·m/s. Find the speed and the mass of the object
A force of F=9.0i+8.0jN is applied to an object about a fixed axis aligned with the z direction. If the force applied at the point (6.00 m, 9.00 m), illustrate what is the magnitude and direction of the torque?
The temperature inside a house is 25 degree C while the temperature outside is 10 degree C. Approximately how much energy is radiated per second
Joseph is standing 0.80 meters in front of a big spherical mirror (concave mirror), and sees his image upright and magnified 3.0x bigger than he is. Find the radius of curvature of the mirror
consider a negative charge located between two charged plates of a capacitor. which plate is the plate of high electric potential
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