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Questions in physics
📝 Answered - In 45 seconds, a rocket goes from traveling at [tex]$75 m / s$[/tex] to [tex]$570 m / s$[/tex]. What is the acceleration of the rocket? [tex]$a=[?] \frac{m}{s^2}$[/tex] Enter the sign (+ or -) and the magnitude. Remember: [tex]$a =\frac{\Delta V }{ t }$[/tex]
📝 Answered - An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?
📝 Answered - An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?
📝 Answered - An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?
📝 Answered - The surface area of a small piston is $\frac{1}{10}$ the surface area of a large piston. Find the input force if the output force is $20,000 N.
📝 Answered - Including reaction time, the stopping distance is more than 20 feet at 10 miles per hour. At 20 miles per hour it will be about: A. 30 feet B. 63 feet C. 40 feet D. 75 feet
📝 Answered - A pound of water weighs more than a kilogram of water. Select one: A. True B. False
📝 Answered - An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?
📝 Answered - What force makes a football move when you throw it? A. weak force B. contact force C. friction D. gravitational force
📝 Answered - Choose the phrases that you think of when you hear the word Sun. Check all that apply. center of the solar system hot sunbum solar energy star source of energy for life solar radiation
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