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An 8.00kg package in a mail-sorting room slides 2.00m down achute that is inclined at 53.0degrees below the horizontal. Thecoefficient of kinetic friction between the package and the chute'ssurface is 0.400.
Calculate the work done on the package by friction.
Calculate the work done on the package by gravity.
Calculate the work done on the package by the normalforce.
What is the net work done on the package?
A 200 resistor has a current of 1.5A running through it and is connected in series with a 300 resistor. what is the emf of the battery to which the resistors are connected?
An airplane is flying in a horizontal circle at a speed of 133.3 m/s. Banked for this turn, What is the radius of the circle in which the plane is flying
A black body at 7500K consists of an opening of diameter0.0500mm looking into an oven. Find the number of photons per second escaping the hole
The speed of a light wave in a certain transparent material is 0.669 times its speed in a vaccum. Which is 3.00 * 108 m/s. what is its wavelength in nanometers
A hovercraft of mass 69.0 kg can move on a horizontal surface, the x-y plane. A single unbalanced force acts on the hovercraft, How much work is done on the hovercraft by the force during this time
Waves on a 10 meter rope travel at 20 m/s. You shake the rope back and forth until you get a standing wave with a single antinode. find the wavelength and frequency of each standing wave
A 5* 10^2 kg hot air balloon takes off from rest at the surface of the earth. The non conservative wind and lift forces take the balloon up, doing +9.70*10^4J of work on the balloon in the process. At what height above the surface of earth does th..
An electron with a speed of 6.00*10^6 m/s collides with an atom The collision excites the atom from its ground state (0eV( to a state with an energy of 3.70 eV. What is the speed of the electron after the collision?
The radius of the earth's orbit around the sun (assumed to becircular) is 1.50 108 km,and the earth travels around this orbit in 365 days. What is the magnitude of the orbital velocity of the earth in m/s
Light of wavelength 580 nm passes through a slit of width 0.210 mm. How far is the screen from the slit
An airplane flying at a constant speed of 160 m/s pulls out ofa dive in a circular arc. What is the radius of the arc
A light rigid rod 1.00 in lngth rotates about an axisperpendicular to its length and through its center. What is the angular momentum of the system
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