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A 200g hockey puck is launched up a metal ramp that is inclined at a 30 degree angle. The coefficients of static and kinetic friction among the puck and the ramp are μs =0.40 and μk = 0.30, and the puck's initial velocity at the base is 3.8 m/s parallel to the sloping surface of the ramp. What speed does the puck have when it slides back down to its starting point?
The collar C is moving downward with an acceleration of 1 m/s2. At the instant shown, it has a speed of 2 m/s which gives links CB and AB an angular velocity ωAB = ωCB = 10 rad/s. Determine the angular accelerations of CB and AB at this instant.
How far must it now sail to reach its original destination. find the potential energy of the system.
at what rate must the potential difference increase across a 1.50 u f capacitor to create a 0.900 a displacement
gold which has a mass of 19.32 g for each cubic centimeter of volume is the most ductile metal and can be pressed into
You illuminate a slit of width 0.0667 mm with light of wavelength 721 nm, What is the width, in centimeters, of the pattern's central maximum
A 325 kg crate is lowered to the ground by a helicopter. Its fastened to the end of the vertical cable which has a tension of 3500N. Is the crate speeding up, slowing down, or descending at a constant speed? Show your work
A viewing window on the side of a large tank at a public aquarium measures 41 in. by 46 in. What is the total outward force on the window
a flexible chain of weight w hangs between 2 pointsnbspa and b at the same level. the inclination of chain with
A balloon is filled with 4.50 liters of helium at a pressure of 1.30 atm and a temperature of 25.0° C. Discover the mass of the helium. Find the acceleration of the balloon if the rubber has a mass of 4.00 g.
a spring is first stretched 2.0 cm from its unstressed length. it is then stretched an additional 2.4 cm. how does the
One argument against Darwin's theory of evolution draws upon the second law of thermodynamics. Does this mean that organisms violate the Second Law of Thermodynamics
A bar of gold measures 0.16 m cross 0.056 m cross 0.049 m. How many gallons of water have the same mass as this bar
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