Westonci.ca is the premier destination for reliable answers to your questions, brought to you by a community of experts. Discover precise answers to your questions from a wide range of experts on our user-friendly Q&A platform. Explore comprehensive solutions to your questions from knowledgeable professionals across various fields on our platform.

A rock is dropped from a bridge. What happens
to the magnitude of the acceleration and the
speed of the rock as it falls? [Neglect friction.]
(1) Both acceleration and speed increase.
(2) Both acceleration and speed remain the
same.
(3) Acceleration increases and speed decreases.
(4) Acceleration remains the same and speed
increases.

Sagot :

When a rock is dropped from a bridge in this way, in terms of the magnitude of the acceleration and the speed of the rock as it falls, the best option is "(1) Both acceleration and speed increase."