3) In a car crash against a wall, the front of the car crumples 1 meter. The car is going at an initial velocity of 40 m/s before the crash. a) What is the acceleration the car experiences?
b) How long does the crash take from beginning to end?

1.what is where an object is located 2. what is how fast an objects speed is changing 3. what is how fast an object is moving

Simon is writing a story about an astronaut whose spacecraft has been boarded by space pirates. the astronaut has her lucky penny in her hand behind her back as the space pirates break into the control room. she has just locked the controls so that the ship is accelerating in the direction of the control room’s ceiling. simon wants the astronaut to use the penny to hit a button on the control panel to turn off the lights and escape. the button is located a short distance behind and below the astronaut’s hands. how should simon use the theory of relativity to describe what the astronaut must do in order to hit the button?

In this thread, i would like you to comment on the nature of light and how operation of telescopes. light has a duality of a particle and a wave; which one affects your life? also how does light interact with optics inside telescopic systems? answer these questions in two paragraphs. then respond the another students response.