Physics, 02.09.2019 15:00, Prettygirlbuggy
Aprojectile is launched with an initial velocity of 25m/s at 35 degrees above the horizontal. assuming that the projectile returns to the same height, what is the final velocity of this projectile
Answers: 1
Physics, 20.06.2019 18:02, soulspiritsa
Apulley system lifts a 500-ib block 1.0 foot with an effort of only 50 ib. if the 50 ib moves 30 feet, calculate the efficiency of the pulley system. a. 30% b. 33% c. 70% d. 67%
Answers: 1
Physics, 22.06.2019 18:00, jeff2852
Astone is thrown with a speed v0 and returns to earth, as the drawing shows. ignore friction and air resistance, and consider the initial and final locations of the stone. which one of the following correctly describes the change δpe in the gravitational potential energy and the change δke in the kinetic energy of the stone as it moves from its initial to its final location? options a.δpe = 0 j and δke = 0 j b.δpe is positive and δke is negative c.δpe = 0 j and δke is positive d.δpe is negative and δke is positive e.δpe = 0 j and δke is negative
Answers: 3
Aprojectile is launched with an initial velocity of 25m/s at 35 degrees above the horizontal. assumi...
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