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Solve the following problems:
Problem I: A car moved 60 km East and 90 km West. What is the displacement?
Problem II: Average velocity can be calculated by dividing displacement over what?
I need expert help to solve the above question.
how fast the air flow over the upper surface of the wing. What is the coefficient of kinetic friction between the box and the floor.
Note down that since each oscillator is attached to two "springs", and each "spring" is half the length of the interatomic bond, the effective interatomic spring stiffness for one of these oscillators is times estimated value given above.
Consider the decay: 24 Cr 55 -> 25 Mn55 + e, The Cr 55 nucleus has a mass of 54.9279 u, find the maximum kinetic energy of the emitted electrons
A skateboarder shoots off a ramp with a velocity of 6.9 m/s, directed at an angle of 56 ° above the horizontal. The end of the ramp is 1.1 m above the ground. how far is this point horizontally from the end of the ramp
A uniform cylinder of mass m=6.30 kg and radius R=0.132 m is released from rest on an inclined plane (theta=32.7 deg), What is the speed of the center of mass of the cylinder just before it reaches the horizontal surface
A spherical shell of radius 6 centimeter carries a uniform surface charge density of 9 nC/m2. Estimate the total charge on the shell
When tightening a bolt, you push perpendicularly on a wrench with a force of 161 N at a distance of 0.120 m from the center of the bolt. How much torque are you exerting
Two ball, of equal masses mA = 40g and mB = 60g, are suspendedas shown. What is the velocity of each ball after the elastic collision
An eyeglass lens with a power of + 2.9D allows a farsighted person to read a book held at a distance of 29cm from her eyes. At what distance must she hold the book to read it without glasses
A fighter jet is launched from an aircraft carrier with the aid of its own engines and a steam-powered catapult. obtain the work done on the jet by the catapult
A charge of -2.91 C is fixed at the center of a compass. Two additional charges are fixed on the circle of the compass (radius = 0.110 m). The charges on the circle are +5.02 C at the position due east and -4.16 C at the position due north. What is t..
The platter of the hard drive of a computer rotates at 7100 rpm = revolutions per minute = rev/min). Find the angular velocity of the platter
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