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A 425-g softball is travelling at 18.6 m/s [214 degrees].
a) What is the momentum of the softball?
b) Determine the x-and y-components of the softballs momentum.
when two resistors r1 and r2 are connected in series across a 6.0-v battery the potential difference across r1 is 4.4
A steel cable with total length,52 mand mass,130 kgis connected to two poles. Calculate the wavelength of the resulting wave on the cable
A system consisting of an ideal gas at the constant pressure of 120kPa gains 800J of heat, Find the change in volume of the system
A tank of water 3.00m deep sits on a table 1.00 m tall. A hole is located 2.0m from the bottom of the tank. Water flows out of hole and strikes the ground. Where does it strike the ground.
A 91 g arrow is fired from a bow whose string exerts an average force of 115 N on the arrow over a distance of 78 cm. Illustrate what is the speed of the arrow as it leaves the bow?
A total of 34 bright and 34 dark Newton's rings (not counting the dark spot at the center) are observed as 550 -nm light falls normally on a planoconvex lens resting on a flat glass surface. How much broad is the center than the edges.
a tiger leaps horizontally from a 7.5 meter high rock with a speed of 4.5 ms. how far from the base of the rock does
Find the thermal conductivity of the material from which the box is made.
Two rockets approach earth from opposite directions at equal speeds relatie to the earth, How fast are the rockets going with respect to earth
Bob can throw a 460 gram rock with a speed of 32 meter per second. Find what is Bob maximum power output as he throws the rock in kW
question1a sealed tank containing seawater to a height of 13.0 m also contains air above water at a gauge pressure of
The so-called "hydrogen alpha (Ha) line" is a specific wavelength of red light caused by excited atomic hydrogen. It is frequently used when studying the Sun. The wavelength of Ha is 656.3 nm, or 656.3*10-9 m. The speed of light in vacuum is 3*108..
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