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A converging lens has a focal length of f = 27 cm. An object is placed 37 cm from the lens. Find the size of the image in cm if the object has a height of 7 cm. Express the answer with one decimal place.
A baseball thrown at an angle of 55.0?^\circ above the horizontal strikes a building 16.0m, Find the direction of the velocity of the baseball just before it strikes the building
An Olympic runner is at the starting gate and hears the starting gun, Using only acceleration, ai, and time, tr, write an expression for the runner's final speed, vr, when he crosses the finish line
A rocket fires two engines simultaneously. One produces a thrust of 615 directly forward while the other gives a thrust of 474 at an angle 39.6 above the forward direction.
Consider a simple cubic crystal structure with a cube edge a= 3.5x10^-10 m and suppose it is used to scatter 3.10x^-10 m x-rays, Find the Bragg angle theta
Incurred expenses of $220,000 for its alcohol rehabilitation program but paid the expenses from unrestricted resources, not from available restricted resources.
A long wire lying along the x-axis carries a current of 1.60 A in the +x direction. There is the uniform magnetic field present, given by B=0.003i + 0.004j + 0.002k, where i, j, k are the unit vectors along cartesian coordinate axes') in units of Tes..
The charges and coordinates of two charged particles held fixed in the xy plane are: q1=2.90 ?C, x1=3.900 cm, y1=8.700 cm, What are the x and y coordinates of a third charge q3=3.00 ?C
A 4.1-kg block slides down an inclined plane that makes an angle of 29° with the horizontal. Find the coefficient of kinetic friction between the block and plane
A converging lens (f = 24.6 cm) is used to project an image of an object onto a screen. Find the two object distances
A charge +q is at the origin. A charge -2q is at x = 9.10 m on the +x axis. (a) For what finite value of x is the electric field zero? (b) For what finite values of x is the electric potential zero? (Note: Assume a reference level of potential V =..
A 50.0 g sample of carbon taken from the femur bone of a skeleton is found to havea carbon -14 decay rate of 410 decays/min
A satellite moves in a circular orbit around the Earth at a speed of 4420 m/s. Determine the period of the satellite's orbit
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