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Problem: A skateboarder, with an initial speed of 4.2m/s, rolls virtually friction free down a straight incline of length 15m in 3.3 s.
Part A: At what angle is the incline oriented above the horizontal?
I need help to find at what angle the incline is oriented above the horizontal.
A sled traveling at a speed of 5.0 m/s slows to a stop 4.0 m fromthe point where its passenger rolled off. What is the magnitude of the horizontal net force that slows the 110 N sled?
A1.84 m diameter vat of liquid is 3.38 m deep. The pressure at thebottom of the vat is 2.07 atm. What is the mass of the liquid in the vat
A parallel-plate capacitor with area 0.400 m2 and plate separation of 2.00 millimeter is connected to an 18.00 Volt battery. Determine how much charge is stored on the plates
a 180 g copper bowl contains 220 g of water both at 20.0degc. a very hot 300 g copper cylinder is dropped into the
A man stands on a frictionless platform that is rotating with an angular speed of 3.3 rad/s; his arms are outstretched and he holds a weight in each hand. what is the resulting angular speed of the platform
The earth has a surface temperature of approximately 18oC and radiates like a blackbody. Using Stefan-Boltzmann’s Law compute much energy the earth will emit over all wavelengths? Using Wien’s Law compute the wavelength at which it will emit the maxi..
An incompressible fluid is flowing through a pipe with a constriction. The pipe is on an incline with an angle of 30.0 degrees. What is the pressure in the narrow section of the pipe
The of is accompanied by a ray of measured wavelength 2.48×10?2. What is the difference in energy between these two levels
When a resistor is connected across the terminals of an ac generator (112 V) that has a fixed frequency, there is a current of 0.500 A in the resistor. When an inductor is connected across the terminals of this generator, there is a current of 4...
two parallel plates have opposite charges and a distance between them measured to be 1.00 mm. the potential between the
An airplane with a speed of 40 m/s isclimbing upward at an angle of 52°with respect to the horizontal. When the plane's altitude is840 m, the pilot releases a package. Calculate the distance along the ground,measured from a point directly beneath ..
An AC generator has 80 rectangular loops on its armature. Each loop is 11 cm long and 10 cm wide. calculate the maximum output voltage of this generator
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