1. A car advertisement states that a certain car can accelerate from rest to 90km/h in 9 seconds. What is the car's average acceleration?

2.An eagle accelerates from 15m/s to 22m/s in 4 seconds. What is the eagle's average
acceleration?

3.At the starting line, a sprinter is traveling at 0 m/s before being told to go. Nine seconds
later, she is moving at 10 m/s. What is her acceleration?

4.A person sees a red light and applies his brakes. The speed of his car decreases from 100
km/hr to 0 km/hr in 2 seconds. What is his acceleration?

The current in a hair dryer measures 11 amps. the resistance of the hair dryer is 12 ohms. what is the voltage?unit:

The ph is the a. independent variable b. the dependent variable c. control group

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?