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Questions in physics

[Jawaban] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Jawaban] 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]

[Jawaban] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Jawaban] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Jawaban] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Jawaban] 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.

[Jawaban] 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

[Jawaban] A pound of water weighs more than a kilogram of water. Select one: A. True B. False

[Jawaban] An electric device delivers a current of [tex]$15.0 A$[/tex] for 30 seconds. How many electrons flow through it?

[Jawaban] What force makes a football move when you throw it? A. weak force B. contact force C. friction D. gravitational force