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What is the final concentration of NaCl when 200.0 mL of a 0.250 mol/L NaCl solution is added to 400.0 mL of a 0.100 mol/L NaCl solution?
A hotel elevator ascends 170 {rm m} with a maximum speed of 5.90 {rm m/s}. Its acceleration and deceleration both have the magnitude of 1.3 {rm m/s^2}.
What codes are used, and how far are these systems from the Shannon limit for the problem they are solving? How would you design a better RAID system? Some information is provided in the solution section.
A kid is pulling a 15 kilogram box up a 3.5-m high, 24o ramp with a force of 77 Newton parallel to the ramp. Find the box change in kinetic energy from bottom of ramp to the top of the ramp
A worker pushed a 27kg block 9.2 m along a level floor atconstant speed with a force directed 32o below thehorizontal. find the increase in thermal energy of theblock-floor system
If I put 40g of ice at 0°C into a perfectly insulated cup containing 250g of coffee at 90°C, what will the final temperature be when the system comes into thermal equilibrium? Suppose that the specific heat of coffee is the same as that of water.
A person in a kayak starts paddling, and it accelerates from 0 to 0.659 m/s in a distance of 0.443 m. what is the magnitude of the net force acting on the kayak
a particle that carries a net charge of -41.8 ?c is held in a region of constant uniform electric field. the electric
In exercise physiology studies, it is sometimes important to determine the location of a person's center of mass. This determination can be done with the arrangement shown in the figure below. A light plank rests on two scales, which read Fg1 = 365 N..
Two identical small metal spheres are separated by 1.00 x 10^5 m and exert an 18.9 N repulsive force on each other, determine the charges of the spheres before the connection
One billiard ball is shot east at 2.50 m/s . A second, identical billiard ball is shot west at 1.39 m/s . The balls have a glancing collision, not a head-on collision, What is the speed of the first ball after the collision
Water flows at 0.990 m/s from a hot water heater, through a 450-kPa pressure regulator. What's the flow speed in this pipe
What is the new frequency of the string that was tightened. find the magnitude of the net force acting on the car during this time.
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