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  • Physics Help - forces and kinematics?

    A 47.0-g golf ball is driven from the tee with an initial speed of 48.0 m/s and rises to a height of 23.2 m.

    (a) Neglect air resistance and determine the kinetic energy of the ball at its highest point.

    1 AnswerPhysics5 years ago

  • What is the work done on the jet by the catapult?

    A fighter jet is launched from an aircraft carrier with the aid of its own engines and a steam-powered catapult. The thrust of its engines is 2.50 105 N. In being launched from rest it moves through a distance of 87 m and has a kinetic energy of 3.60 107 J at lift-off.

    1 AnswerPhysics5 years ago