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A boy slides down a toboggan with an acceleration of 2.0 meter per second. If he starts at rest, obtain how far did she travel in 1.0 second?
A person on a balcony that is 28 m off the ground leans over the railing and throws a ball straight up into the air with an initial velocity of 15 m/s. Find with what speed will the ball hit the ground
Dez pours a liquid (n = 1.34) into a container made of glass (n = 1.52). Find the angle of the corresponding refracted ray
A 60.0 kilogram man holding two 0.90o kilogram bricks stand on a 2.60 kilogram skateboard. Find the recoil speed of the man and the skateboard relative to the ground
an electron in a hydrogen makes a transition between levels and emits a photon with a frequency of 6.91*10^14 hz . find is the electron jumping to higher or lower level
A tire with an inner volume of 0.0250 m is filled with air at a gauge pressure of 36.0 psi (i.e. lb/in2). If the tire valve is opened to the atmosphere, what volume outside of the tire does the escaping air occupy?
Defibrillators are used to revive a person when their heart has stopped beating. How do they work? What care must the person administering the treatment take
A 10-kg cylinder rolls without slipping on a rough surface. At an instant when its center of gravity has a speed of 10 m/s, determine (a) the translational kinetic energy of its center of gravity,
Two point charges are on the y-axis. A 5.0 µC charge is located at y = 1.05 cm, and a -2.42 µC charge is located at y = -1.30 cm. Find the total electric potential at the origin
a balloon filled with helium has a volume of 1.0 x 10-3 l at 20 degrees celcius. what will be the balloons volume at 30
A beam of light is traveling in air and strikes a material. The angles of incidence and refraction are 51.8° and 43.2°, respectively
a solenoid is wound with a single layer of insulated copper wire of diameter 2.700 mm and has a diameter of 4.000 cm
A 500g ball moving at (10.0cm/s, +x) collides with an identical ball at rest.The incoming ball scatters at 30 degrees with respect to the +x axis, What is the speed of the each ball after collision
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