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A 10-kg body is force against a horizontal elastic spring compressing it an amount of 0.5 meter. When the body was released,it moves on a horizontal distance of 3 meters before coming torest. The force constant of the spring is 50 N/m.Q. What is the coefficient of friction between the block and the table?
The temperature of a monatomic ideal gas with a mass per mole of 0.00750 kg/mol is 298 K. What is the mass of the gas
At 20.0°C, a mainly silicon resistor has a resistance of 275 ?, and a tungsten resistor has a resistance of 752 ?. At what temperature will their resistances be equal
The nucleus of an atom consists of protons and neutrons (no electrons). A nucleus of a carbon-12 isotope contains six protons and six neutrons.
A 73.1-kN car is travelling at 59.9 mph when the driver decides to exit the freeway by going up a ramp. What is the magnitude of the average drag force exerted on the car
An electric dipole is formed from two charges, , spaced 1.50cm apart. The dipole is at the origin, oriented along they-axis. What is the electric field strength at the point
What is the magnitude of the induced electric field 0.2070cm from the axis of the solenoid? Give your reply in Volts/meter in scientific notation to three significant digits.
Capacitors C1 = 5.0 µF and C2 = 2.0µF are charged as a parallel combination across a250 V battery. Calculate the resulting charge on each capacitor
A magnetic field is oriented at an angle of 43 degrees to the normal of a rectangular area 4.7cm by 6.9cm . If the magnetic flux through this surface has a magnitude of 4.8×10^?5T*m^2 , what is the strength of the magnetic field?
If the ropes supporting the rings are attached to ceiling directly above, what is the tension in each rope.
A particle with a mass of 3.00 10-20 kg is oscillating with simple harmonic motion with a period of 3.50 10-5 s and a maximum speed of 8.00 103 m/s. Calculate the angular frequency of the particle
An electric heater plugged into a 115-V AC outlet uses an average electric power of 1200 W. What are the rms current and the maximum instantaneous current through the heater
You combine two thin lenses by placing them in contact so that their axes coincide, forming what is called a compound lens. The focal lengths of the lenses are 24.1 cm and –53.9 cm, respectively. Find the focal length of this compound lens?__________..
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