A 20-pound object is dropped from a 50-foot bridge onto the ground below it. A 50-pound object is dropped from a 100-foot cliff onto the ground below it. Which object will hit the ground first? Support your answer with details.

here 20 lb object will hit the ground first

Explanation:

Acceleration of the object while it is dropped in air is given as

so acceleration of the object is independent of the mass of the object

now time to reach the ground is given as

for 20 pound object

for 50 pound object

a small object of mass 3.66 g and charge -17.6 µc is suspended motionless above the ground when immersed in a uniform electric field perpendicular to the ground. what are the magnitude and direction of the electric field?

according to jean piaget, in what stage of cognitive development are children able to understand conservation task?

b. preoperational

just took it