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A rope applies a force T = 500N on a 30kg mass up a 28 degree incline, it travels 14m along the incline. The coefficient of friction among the block and the plane is 0.33.
What is the acceleration of the block?
If the force applied with tension is removed after the block has traveled 14m, how much farther will the block travel?
a sound source of 500 hz with an acoustic power of 110 of a watt how do you find the intensity 12 a m from the source
A disk-shaped merry-go-round of radius 2.63 m and mass 155 kg rotates freely with an angular speed of 0.744 rev/s. find the initial and final kinetic energies for this system
a series rlc circuit consists of a 809 w resistor a 0.176 h inductor and a 55.5 mf capacitor. it is attached to a 120
a small current loop of area a 0.0008 m2 and moment of inertia i 6.9e-07kgm2 carries a currentnbsp i 0.0039a with
Suppose unpolarized light of intensity 150 W/m^2 falls on the polarizer at an angle 30. What is the light intensity reaching the photo cell
You are watching an object that is moving in SHM. How much farther from this point will the object move before it stops momentarily and then starts to move back to the left
How much Power does it take to accelerate the 70,000 lb rail car from rest to 10mph in 20 feet with 1ft dia. wheels.
You are designing a delivery ramp for crates containing exercise equipment. The crates of weight 1470N will move with speed 2.2m/s at the top of a ramp that slopes downward at an angle 25.0degrees. The ramp will exert a 621N force of kinetic friction..
A stamp collector uses a lens with 7.5-cm focal length as a simple magnifier. The virtual image is produced at the normal near point (25 cm). What is the expected angular magnification
An object of mass 0.550 kg is lifted from the f loor to aheight of 3.50 m at a constant speed. How much work is done by the Earth on the object
Calculate the scale height for water vapor in the Earth's atmosphere, Use this information to state whether telescopes atop mount kea would be better for infrared astronomy than one's at sea level
With brakes fully applied, a 1550 kg car deccelerates from a speed of 78.0 km/hr. What is the change in the kinetic energy of the car
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