If I drop a feather and a elephant from an equal height in a vacuum which will hit the ground first?

Read the sentence. Even the social studies teacher herself could not find the answer to the tough question, In this sentence, "herself" is used as O a personal pronoun. O an object pronoun. O a reflexive pronoun. O an intensive pronoun

9. Which of the following is true regarding current in an external circuit? A. A direct current constantly switches direction of flow to match the change of charge at each terminal. B.

Which of these words accurately describes 'position'? A.) Unusual B.) Non-directional C.) Vector D.) Scalar E.) Tensor

With regard to pneumatic mechanical devices which afford protection against the formation of ice, which of the following statements is correct?

A 120 N force, directed at an angle θ above a horizontal floor, is applied to a 28.0 kg chair sitting on the floor.

The football player running toward the goal line has A. Potential energy B. Chemical energy C. Kinetic energy D. Elastic potential energy

If the density of an object is 30 g/cm3 and its volume is 10 cm3, what is its mass in grams?

Explain how atoms are aligned in a magnet in terms of the North and South poles.

Which of the following has the largest gravitational potential energy A. a 10kg dog running down the street at 30mph B. a tightrope walker slowly crossing niagara falls C. a 0.02kg bullet moving down the barrel at 800mph D.

Why does the speed of an object change when a force acts on it?