Friction free incline
A woman is pushing a piano up a ram at aconstant velocity that is 30 degrees above the horizon. the piano is 200 kg. the force she is applying is parralell to the Friction free incline
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Calculate the pressure (in pascals and atmospheres) exerted by a mass of 1.0 kg pressing through the point of a pin of area 1.0 x 10-2 mrrr' at the surface of the Earth. Hint. The force exerted by a mass m due to gravity at the surface of the Eart
Explain the impact forced an voluntary conversion to christianity has had on the leadership structure and social control of chiefdoms using an emic perspective?
A person can survive a feet-first impact at a speed of about 12m/s (27 m/h) on concrete; 15 m/s (34 m/h) on soil; and 34 m/s (76 m/h) on water. Why the different values for different surfaces?
A loudspeaker of mass 19.0 kg is suspended a distance of h = 2.00m below the ceiling by two cables that make equal angles with the ceiling. Each cable has a length of l= 3.50m . What is the tension T in each of the cables?
13.0 mL of 0.40M copper(II) sulfate react to form as much product as possible, how many millimoles (mmol) of the non-limiting reactant will remain unused at the end of the reaction?
What volume of 0.416M Mg(NO3)2 should be added to 255 mL of 0.102 M KNO3 to produce a solution with a concentration of 0.278 M NO3- ions? Assume volumes are additive.
What is the difference between short-term and long-term memory? What did Donald Broadbent mean when he referenced attention filters, as related to encoding into short-term memory?
To give a 21- child a ride, two teenagers pull on a 3.9- sled with ropes, as indicated in the figure . Both teenagers pull with a force of 55 at an angle of 35 relative to the forward direction, which is the direction of motion.
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