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Research suggests that the electric fields in some thunderstorm clouds can be on the order of 10 kN/C. Compute the magnitude of the electric force acting on a particle with two excess electrons in the presence of a 10.0-kN/C field.
An object weighs 277 N in the air. When tied to a string, connected to a balance, and immersed in water, it weighs 221 N. When it is immersed in oil, it weighs 257 N.
A typical wall outlet voltage is 120 volts in the United States. calculate the number of turns on the secondary coil of the adapter transformer
a cello string vibrates in its fundamental mode with a frequency of 267 vibrations per second. the vibrating segment is
A playground merry-go-round of radius R = 2.20 m has a moment of inertia I = 235 kg · m2, What is the new angular speed of the merry-go-round
A mass on a string of unknown length oscillates as a pendulum with a period of 6 s. What is the period in the following situations, determine The mass is doubled
A human-sized version of the popular "hamster wheel" is shaped like a cylindrical shell and has a radius of 2.25 m. A person running on the wheel applies a horizontal force of 148 N to the bottom of the wheel. What torque does he supply
question when nine people whose average mass is 88 kg sit down in a car they find that the car drops 1.42 cm lower on
If an object is placed 15 cm in front of a concave mirror with aradius of curvature of 20 cm, what are the image characteristics
A standard 100 (120 ) lightbulb contains a 7.80 -long tungsten filament. The high-temperature resistivity of tungsten is. what is the resistance of a household
A coil lies flat on a level table top in a region where the magnetic field vector points straight up. The magnetic field suddenly grows stronger. When viewed from above, what is the direction of the induced current in this coil as the field increases..
Some asteroid named "Briggie" has been discovered revolving around the Sun on a circular orbit with a period of 3.90 years. What is the radius of Briggie's orbit
Estimate the amount of energy that is wasted each day in Europe due to an additional inefficiency of 5% (on top of the thermodynamic efficiency) from cars that are not lubricated properly. how far Europeans drive each day
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