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A car moves with a constant acceleration of 2.1 m/s2. At a time of 1 s, it is 170 m beyond a mile marker, Find the car's position after the mile marker at time 5 s
A particle with a charge of ? 3.00?C is placed at the point P described in part A. What is the direction of the force exerted by the particle
Two 2.0-cm-diameter insulating spheres have a 6.00cm space between them. find the electric field strength at the midpoint between the two spheres
Zinc has a density of 7.14 g/cm3, and the mass of a zinc atom is 1.09 10-25 kg. What is the distance between the centers of adjacent atoms
Given 174 mL of a buffer solution that is 0.23 M formic acid and 0.28 M sodium formate, calculate the pH of this solution after the addition of 1.93 mL of 5.2 M sodium hydroxide. The Ka of formic ac
Two 2.7cm -diameter disks face each other, 2.7mm apart. They are charged to ±14nC. What is the electric field strength between the disks
Mitochondria are isolated from a cell and plunged into a solution containing a high concentration of radioactive protons (tritium). You remove the the mitochondria quickly so that each ATP synthase
Two 10-cm-diameter charged rings face each other, 21.0cm apart. Both rings are charged to + 50.0nC. What is the electric field strength at the midpoint between the two rings
During a heart attack, blood flowing to the heart muscle is interrupted by blockage of a coronary artery. How would you expect the metabolism in the heart to change
Your plane reaches its takeoff runway and then holds for 5.0 min because of air-traffic congestion. What is its takeoff speed
A line of charge starts at x = +x0 and extends to positive infinity. The linear charge density is ? = ?0x0/x, Determine the electric field at the origin
A tennis ball on Mars, where the acceleration due to gravity is 0.379 of a g and air resistance is negligible, How fast was it moving just after being hit
In molecular orbital theory: 1. What is a bonding orbital and how does it impact the strength of a bond? 2. What is an antibonding orbital and how does it impact the strength of a bond
A gnat takes off from one end of a pencil and flies around erratically for 26.6 seconds before landing on the other end of the same pencil. find the gnat\'s average speed
Calculate the pH of a solution that is 0.028 M dimethylamine and 0.057 M dimethylammonium chloride. The Kb of dimethylamine is 5.4x10-4
A ball is dropped from a high building. Using the approximate value of g = 10 m/s2, find the change in velocity between the fourth and fifth second of its flight
A cylindrical region of space of radius R contains a uniform magnetic field B with direction into the page. Find the magnitude and direction of the induced electric field at r = 5.00 cm if the magnet
Two point charges are located on the y-axis as follows: one charge q1 = -1.85nC located at y=-0.585m , and a second charge q2 = 3.10nC at the origin (y=0). what is the direction of the total force
calculate the pH of this solution after the addition of 4.46 mL of 5.9 M nitric acid. The Kb of ethylamine is 6.4x10-4 some help would be awesome
A plane accelerates from rest at a constant rate of 5.00m/s2 along a runway that is 1800m long. What is the time tTO needed to take off
A 110.0 mL sample of a solution that is 3.0×10^?3 M in AgNO3 is mixed with a 220.0 mL sample of a solution that is 0.13 M in NaCN. After the solution reaches equilibrium, what concentration of
A solution is made that is 1.1×10^?3 M in Zn(NO3)2 and 0.150 M in NH3. After the solution reaches equilibrium, what concentration of Zn2+(aq) remains. [Zn2+]
Ilya and Anya each can run at a speed of 8.40mph and walk at a speed of 3.00mph. Find Anya's average speed. How long does it take Ilya to cover the distance
A charge of q = +7.22 ?C is located in an electric field. The x and y components of the electric field at this point are Ex = 6.48E+3 N/C, What is the magnitude of the force on the charge
If 26mL of 5.2M H2SO4 was spilled, what is the minimum mass of NaHCO3 that must be added to the spill to neutralize the acid? 2NaHCO3+H2SO4=Na2SO4+2H2O+2CO2