AST 111 Introduction to Solar Systems
Astronomy Exam 2 actual questions
and answers new update solution
Arizona State University
, What does speed indicate? - How fast something is going
What does velocity indicate? - speed and direction
d=vt - distance=velocity*time
What is the equation for acceleration and velocity? - Final Velocity=initial velocity+(acceleration*time)
How do you figure out velocity? - velocity= distance/time
When does acceleration occur? - When there is a change in speed, direction, or both
What is negative acceleration? Is it really acceleration? - Slowing down;yes
What is the constant for acceleration due to gravity? - g= 9.8 m/s²
What is mass? - Measure of how difficult it is to change momentum of an object
What is weight? - Measure of gravitational force exerted on an object
What is momentum? (formula) - momentum (p) = mass*velocity
When does momentum change? - When velocity changes
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