Suggest and explain a reason why the brake blocks on a bicycle need to be replaced from time to time

Identifying the target population or target audience occurs during which step of the engineering design loop A identified the need B research the problem or C develop possible solutions

Why are time machines not invented?

If a car is moving along the highway at a constant speed of 50 m/s, is there an unbalanced force acting on the car? How do you know? Explain using one of Newton's Laws.

An atom of an element with two valence electrons reacts with two atoms of an element with atomic number 17 to form an ionic compound. what is the compound most likely formed as described?

The risk of earthquakes is high along the Pacific coast of the United States because a. there have been no earthquakes there lately. b. serious earthquakes are rare east of the Rockies. c.

The red LED consists of a white LED covered with a red filter. What does the red filter do?

What is the net force acting on a 10 kg freely falling object?

A comet is a A. meteoroid that travels through Earth's atmosphere and hits the surface. B. meteoroid that burns up in Earth's atmosphere, producing a streak of light. C.

Can Someone explain the steps for this? A lovesick lad wants to throw a bag of candy and love notes into the open window of his girlfriend's bedroom above. Assuming it just reaches the window, he throws the love gifts at 16.

Which substance is a combination of different atoms?