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A package is dropped from a helicopter moving upward at 15 m/s. if it takes 29 s before the package strikes the ground, how high above the ground was the package when it was released if air resistance is negligible ?
A package is dropped from a helicopter moving upward at 15 m/s. if it takes 20 s before the package strikes the ground, how high above the ground was the package when it was released if air resistance is negligible ?
A ball sits at rest on a horizontal table . The mass is 50 kg the normal force that the table exert on the boy is
A projectile is launched to achieve a maximum range of 125 m, the speed of the projectile must be :
