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A basketball player jumps straight up for a ball. To do this, he lowers his body 0.300 m and then accelerates through this distance by forcefully straightening his legs. This player leaves the floor with a vertical velocity sufficient to carry him 0.900 m above the floor.
(a) Calculate his velocity when he leaves the floor.
(b) Calculate his acceleration while he is straightening his legs. He goes from zero to the velocity found in part (a) in a distance of 0.300 m.
(c) Calculate the force he exerts on the floor to do this, given that his mass is 110 kg.
An infinitely long, charged, thin-walled cylinder has a radius, R, of 3.0 cm. The charge per unit length is 5.40 10-9 C/m on the shell. What is the magnitude of the electric Field at radial distance r= (R/2.1) cm from central axis?
An electron is moving through a region of space which possessesa uniform electric field and uniform magnetic field. The electricpoint in the positive x direction and has a magnitude of E = 2,500v/m.
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find out the magnitude of the gravitational force exerted by one on the other.
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A cubical box is .75m on a side. What are the dimensions of the box with an observer moving with a speed of .88c parallel to one of the edges of the box? What is the volume of the box?
Record the resolution of the instrument you are using. Record the units of each measurement. Whenever you write down a data point, write it with correct number of significant figures.
A car moves along an x axis through a distance of 950 m,starting at rest (at x = 0) and ending at rest (atx = 950 m). Through the first 1/4 of that distance, itsacceleration is +6.25 m/s2.
The highest part of a road over the top of a hill follows an arc of a vertical circle of radius 50.0 m. With what minimum speed must you drive
kansas city deck supply a small residential builder of decks is considering purchasing a lumber supplier midwest pine.
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