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A 0.80-kg ball is thrown with a speed of 9.0m/s at an upward angle of 43? . Use conservation of energy
1. What is its speed at its highest point? Express your answer to two significant figures and include the appropriate units.
2. How high does it go? Express your answer to two significant figures and include the appropriate units.
If you place the box on a dolly of mass 5.3 {rm kg} and with coefficient of rolling friction 1.3×10−2, illustrate what horizontal acceleration would that 171 {rm N} force provide?
A truck covers 40.0 m in 7.15 s while uniformly slowing down to a final velocity of 1.45 m/s. Find the truck's original speed
a 2.00-in diameter rod 15 ft long elongates 0.12 in under a load of 60 kip. the diameter of the rod decreases 0.0004 in
In a fusion reaction, two deuterium nuclei combine to form a helium nucleus. Find the initial velocity of the second deuterium nucleus
A horizontal conductor in a power line carries a current of 5500 A from south to north. Find the magnitude and direction of the magnetic force
When a man inhales, air moves down the bronchus-wind pipe at 15 cm/s. Evaluate the pressure drop in the constriction
A particular wire has a diameter of 1.7 mm and length of 1.3 m. If its resistance is 15 m?, what is the resistivity of the metal from which it is made
monochromatic light strikes a diffraction grating at normal incidence before illuminating a screen 1.93 m away. compute the distance between the two second order maxima?
A metal puck of mass 3.0 kilogram slides down curved track starting 4 meter above ground with initial velocity of vi. Determine velocity of puck as it leaves runway
Two coils have a combined resistance of 9Ω when connected in series and 2 Ω when connectedin parallel. Find the resistance of each coil
At what distance(s) from the object should a lens of focal length 17.0cm be placed between the object and the screen in order to produce a crisp image on the screen
A 42.0 kg block of ice slides down the plane incline 34.0 degrees. Assuming friction is negligible, what is the acceleration of the block down the incline
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