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A charge experiences a 0.50- Nforce in the positive direction A . If this charge is replaced with a charge, find the magnitude of the force in this case Express your answer using two significant figures. B Find the direction of the force in this case. Find the direction of the force in this case. in the positive direction? in the negative direction?
The speed of a sound in a container of hydrogen is 201K is 1220m/s. what would be the speed of sound if the temperature were raised to 405K? suppose that hydrogen behaves like an ideal gas.
A 238 kg cast-iron car engine contains water as a coolant. Suppose the engine's tempera- ture is 33C when it is shut off and the air temperature is 8C. What mass of water is used to cool the engine
A singly charged ion of unknown mass moves in a circle of radius 13.0 cm in a magnetic field of 1.1 T. The ion was accelerated through a potential difference of 8.0 kV before it entered the magnetic field. What is the mass of the ion? in kg
An airplane has a speed of 285 km/h relative to the air. There is awind blowing at 95 km/h at 30.0o north of east relativeto Earth. In which direction should the plane head to land at anairport due north of it present location? What is the plane's sp..
a copper piece of mass 10g is suspended by a vertical spring. The spring elongates 1 cm over its natural length to keep the piece in equilibrium. Find the elongation of the spring
The electric potential on the surface of a conductor (in static equilibrium) is 5V. find electric potential in the interior of the conductor
An ocean liner leaves New York City and travels 43° north of east for 189 km. How far east and how far north has it gone? In other words, what are the magnitudes of the components of the ship's displacement vector in the directions.
question1jims dog sparky runs 45.0 northeast to a tree then 70.0 west to a second tree and at last 25.0 south to a
What is the total mass of the Earth's atmosphere? (The radius of the Earth is 6.37 106 m, and atmospheric pressure at the surface is 1.013 105 N/m2.)
a girl uses a jump rope made of flexible wire. she holds the ends of the rope in extended hands, What is the amplitude of oscillation of this alternating emf
How many 185 W lightbulbs can you use in a 191 V circuit without tripping a 15 A circuit breaker? (The bulbs are connected in parallel, which means that the potential difference across each lightbulb is 131 V.)
The number of protons in the known universe is about 10^80, and the radius of a proton is about 10^-15m. Estimate the volume of a sphere containing all of these protons if they were placed in contact with each other
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