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a soccer ball is kicked simultaneously by bryan and anthony. bryon kicks with 700 N force to the west while anthony kicks with 800 N force to the north. calculate the net force acting on the ball.
A lens for a 35-mm camera has a focal length given by f = 47 mm. What is the magnification of the image on the film
Four moles of an ideal gas undergo a reversible isothermal expansion from volume V1 to volume V2 = 5V1 at temperature T = 400K. Find the entropy change of the gas
If a ball is thrown upwards at 20 ft/sec, the height h after t seconds is given by h = -16t^2 + 20t. How many seconds does it take for the ball to reach its greatest height, and what is this height.
find the following for the time at which the cart is at position P2, with one-third of the loop in the magnetic field.
A converging lens(f1=4 cm) is located 8 cm to the left of a diverging lens (f2= -2 cm). Find the final image formed by the 2 lens system
An object moves uniformly around a circular path of radius 20.5 cm, making one complete revolution every 2.40 s. What is the translational speed of the object
A beam of protons, each with kinetic energy 40 MeV, approaches a step potential of 30 MeV. What fraction of the beam is reflected and what fraction transmitted
What is the magnitude of an electric field in which the electric force on a proton is equal in magnitude to its weight, What must the charge (sign and magnitude) of a particle of mass 1.40g
question1a 68.0-kg person throws a 0.0490-kg snowball forward with a ground speed of 32.0 ms. a second person with a
The centralized model for generating electricity
A ball of mass 522 g starts at rest and slides down a frictionless track. It leaves the track horizontally, striking the ground a distance of 1 m from the end of the track after falling the vertical distance 1.25 m from the end of the track.
City lies directly west of city . When there is no wind, an airliner makes the 6130 round-trip flight between the two cities in 6.50 of flying time while traveling at the same speed in both directions. How fast is the wind blowing
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