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A 70 kilograms person walks out on a 10 kilogram beam that rest on but is not attached to two supports. When the beam just starts to tip obtain the force exerted on the beam by right support?
Two newly discovered planets follow circular orbits around a star in a distant part of the galaxy. What is the orbital period of the faster planet, in years
After a day of testing race cars, you decide to take your own 1550 kilogram car onto the test track. Find the average net force that you have applied to the car during the 10 second interval
An ideal gas expands at a constant pressure of 2.9 atm from 435 mL to 709 mL. Heat then flows out of the gas, determine the total heat flow into the gas
The distance between the objective and eyepiece lenses in a microscope is 25\; cm. What is the total linear magnification for the microscope
An electron moving through an electric field experiences an acceleration of 4.3 103 m/s2. Find the electric force acting on the electron
A boy catches - with bare hands and his arm extended - a 0.16 kg baseball coming directly toward him ar a speed of 25 m/s. what is the average force the boy's hand feel while catching the ball
An alpha particle (m= 6.64E-27 kg) trapped in the nucleus of an atom can be modelled as a particle moving in a one-dimensional box of width 1.00E-14m. calculate The ground state momentum of the particle
Compute the value that the spring constant should have so that passengers undergo an acceleration of no more than 7.0 when brought to rest. Let be the total mass of the elevator and passengers.
The graph shows the component of a force acting on an object, Find the work done by the force over the specified intervals of displacement
A vector has an x-component of ?30.0units, Find the magnitude and direction of the vector
Like all stars, our sun converts mass into energy which radiates (spherically) in all directions. Calculate the rate at which the sun is losing mass
What is the significance about the bell shape, when its hit at the rim it rings/produces sound better than other shaped objects? If so could anyone explain a little bit on it?
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