Two objects attract each other
The two objects attract each other having a gravitational force of magnitude 9.2*10^-9 N when separated by 19.8cm. When the total mass of the object is around 5.09 kg, determine the mass of each?
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A wooden block having mass 20 kg is positioned on a wooden floor. A force of 400 N is exerted parallel to the floor and the coefficient of friction among the wooden surface is 0.6. Will the block move? If so, find the acceleration.
i) A motor spins up the fly-wheel having a constant torque of 50 Nm. Determine how long does it take the flywheel to arrive at top speed? ii) Determine how much energy is stored in the fly-wheel?
The container firm is designing the open-top rectangular box, with the square base, which will hold 108 in^3/ Let x = the length of the side of base. State surface area as the function of x.
The rod is pivoted about a frictionless axle via its center, and initially it suspends straight down and is at rest. Determine the cube's velocity--both speed and direction--after the collision?
While it is joined to the battery, the space among the plates is filled with the material of dielectric constant 3. After the dielectric is added, the magnitude of charge on the plates and the latest capacitance are?
A sound wave traveling in the air at 65 degree C consists of a frequency of 845 Hz. Determine i) the wave speed and ii) the wavelength.
A penny rides on the top of a piston as it experiences vertical simple harmonic motion having amplitude of 4.0 cm. When the frequency is low, the penny rides up and down without intricacy. When the frequency is steadily raised, there comes a point
A variable electric voltage in the circuit is provided by the equation below, where t is time (in s). If voltage is on for 7 s, when is V = 0?
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