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Two negative electric charges, each with a charge of 8.1 x 10-5 Coulombs are fixed at a distance of 1.0 meters from each other. Find the electric force of charge A on charge B..find the electric f
Do believe that we, as a country, should be taking more or less preventative measures against global warming?Explain why in 1 page or less.Specify whether your reasons are political, economic, scien
One specific federal funding organization for scientific research and education is the National Science Foundation . Find out what their yearly budget is, and visit their website to learn more about
Assume that the radius of the hydrogen nucleus is 1.4 · 10-15 meters. How much larger than the nucleus is the entire hydrogen atom? (Calculate the atomic radius for n = 1. Round answer to nea
Mileposts mark distance along a highway. A car traveled from milepost 15 to milepost 185. To calculate the average speed of the car, what additional information is necessary?
Angle of attack, AOA (In the simulation, it's called Angle): The angle in degrees between the chord and direction of flight, relative to the air. At higher values of AOA, the wing is taking a bigg
Professional baseball pitchers can deliver a pitch which can reach the blazing speed of 100 mph (miles per hour). A local team has drafted an up-and-coming left handed pitcher who can consistently t
A neutron star and a black hole are 2.400e+12 m from each other at a certain point in their orbit. The neutron star has a mass of 2.78×1030 kg and the black hole has a mass of 9.94×1030
An electric motor performs 2000 J of work while lifting a 50 kg mass. How far does it lift the mass?It it takes the motor 10 seconds to accomplish this action, what is its power?
A car is driving along a straight section of highway between Oklahoma City and Tulsa. At one point in time, the car is 50 miles from Tulsa. At a later point in time, it's 40 miles from Tulsa. What i
In your opinion, is the Earth warming? To what extent do you believe this warming is a result of human activity?Your response should be 3-4 sentences long, and should describe the evidence or reaso
A hydrogen atom is at rest in the n=3 state and absorbs a photon of wavelength 500 nm, ionizing the atom. Assume all the extra KE goes to the electron and not the proton. Is the electron relativist
An object having a mass of 8.0 g and a charge of 10.0 x 10-5 C is placed in a uniform electric field E where Ex = 2.00 x 103 N/C, Ey = -500 N/C, and Ez = 200 N/C. If the object is released from res
One atmospheric pressure corresponds to the height of 0.76 m Hg column in a barometer. If water is used , the height of water column should be about _m, because the density of Hg is __ times larger
A proton travel with a speed of 5.02*10^6m/s in a direction that makes an angle of 60 with the direction of the magnetic field of magnitude 0.180T(tesla) in the positive X axis direction. What is t
A ball of mass 0.203 kg has a velocity of 1.43 m/s right; a ball of mass 0.291 kg has a velocity of 0.396 m/s left. They meet in a head-on elastic collision. Find their velocities after the collisi
Tori has very poor physical fitness. she wants to begin to exercise,but she doesn't know where to start . write an exercise program for her that explains the three elements of an exercise program an
A car moving with a speed of 15 m/s is slowed to a speed of 5 m/s without changing its direction of motion covering a distance pf 10 m. If the car weighs 2000 kg and if the acceleration is consta
Two objects, one with mass will 80 g and the other with mass 20 g, are pushed by a spring in opposite directions. If the heavier mass moves away with a speed of 0.5 m/s, whith what speed the other
Calculate the wavelength of matter waves associated with a bullet of 20.0 grams fired at 100. meters per second.x 10 m.Calculate the wavelength of matter waves associated with an electron (mass = 9
A particle with mass 2.30 g and charge +10.0 C enters through a small hole in a metal plate with a speed of 8.50 m/s at an angle of 55° . The uniform field in the region above the plate has ma
A mass of 96 g is attached to a spring with a spring constant 260 N/m and is displaced .63 m from equilibrium. What is the potential energy once the spring is stretched?
At a concert you sit 12 m directly in front of one of the two speakers on the front of the stage. The other speaker is 8 m from the first. What frequencies in the human hearing range will sound sof
At a certain location, the Earth has a magnetic ?eld of 8.3 × 10-5 T pointing in the northward direction at 44? below the horizontal (in a north-south plane).
A mass of 0.30 kg is attached to a spring and is set into vibration with a period of 0.24s. What is the spring constant of the spring?