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A train begins at the origin and moves at constant speed v1=11.7 m/s toward another train which is initially at rest at a distance d=144 m from the first train. If the second train has an acceleration of magnitude a2=0.95 m/s2 toward the first train, how far does the first train move before the trains collide? (Hint : use quadratic equation and choose positive time) PLEASE TRY TO NOT ROUND
What is the pressure at a depth of 5000 in the ocean? What is the fractional volume change of seawater at this pressure? What is the density of seawater at this pressure
Compton used photons of wavelength 0.0711 nanometer. Determine what is the recoil energy of the electrons
In daily life we see many cases of people who are caught misrepresenting things and who soon after that are excused and accepted by their contemporaries. How is this different in science.
A certain ideal gas has a molar specific heat at constant volume CV = 7R/5. What is its molar specific heat at constant pressure
A concave makeup mirror is designed so that a person 22 cm in front of it sees an upright image magnified by a factor of two. What is the radius of curvature of the mirror
In magnetic laboratory of Govt. College University, 37.200 tesla value of magnetic field is achieved. For achieve such magnetic field
a 15 g lead bullet traveling at 240ms passes through a thin wall and emerges at a speed of 160ms . if the bullet
Two identical charges are separated by 38 millimeter and experiences a repulsion force of 9 N. Determine the amount of each charge in micro Coulombs
A man riding a bicycle 140kg together is traveling at 8.6 m/s due north when he is brought to a stop in .50 seconds by a gazelle running to the south. Calculate the original momentum of the cyclist(magnitude and direction)
In lab you find that a 1-kg rocksuspended above water wights 10 N. when the rock issuspended beneath the surface of the water , the scale reads8N.
To determine the location of his center of mass, a physics studentlies on a lightweight plank supported by two scales 2.5 mapart. find the distance from the student's head to his center of mass
A cubical box with sides of length 0.338 meter contains 1.200 moles of neon gas at a temperature of 277 Kelvin. Find the average rate (in atoms/s) at which neon atoms collide
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