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An electrically charged bullet of mass 0.010 kg leaves the barrel of a gun traveling parallel to the ground and perpendicular to the Earth's magnetic field at 1.400e+3 m/s. Intheory, what charge could the bullet carry in order to remain at aconstant height? Assume that the Earth is flat, and that the magnetic field (0.500 gauss) is horizontal and points left if you are looking in the direction of the bullet's motion.
A car traveling at 25 m/s ( about 55 mph) crashes into a road barrier and comes to a stop in 0.2 sec. What is the average force in Newtons felt by a 75 Kg person in a set belt
A body of mass 12kg is moving with a velocity of 1m/s.Calculate the force required to stop it in 10s. how far will it travel before coming to rest
Some species use echolocation to determine the position and velocity of objects and prey. What is the sound frequency of the echo the bat hears
if a ball is horizontally projected from a height y of 0.83m above ground. how long does it take to hit the ground if
A 120-V(RMS) space heater has two power settings: 750 W and 1500 W. What is the resistance of the lower power setting
If the heat necessary to warm 545 g of water from a temperature of T1 = 25.0 °C to T2 = 81.0 °C, what would be the speed of water
An aluminum cup contains 225 g of water at 27°C. A 450 g sample of silver at a initial temperature of 85°C is placed in the water. Of 45 g copper stirrer is used to stir the mixture until it reaches its final equilibrium temperature of 32°C. What is ..
You and your friend are practicing pass plays with a football. You throw the ball at 35 degrees above thehorizontal at 19 m/s.
In the series RLC circuit which consists of a 150-ohm resistor, a 1.27x10^-6 F capacitor, and a 0.035 H inductor, 60.0Hz power supply. What is the total impedance
A particle with positive charge q = 3.20e10-18 C moves with a velocity = (4i+ 4j -k ) m/s through a region where both a uniform magnetic field and a uniform electric field exist. Calculate the total force on the moving particle
while driving in your car with a constant speed of 15.0 ms you encounter a bump in the road that has a circular
Two cars start from rest at a red stop light. When the light turns green, both cars accelerate forward. What is the acceleration of the yellow car
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