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Questions in physics

📝 Answered - Which factors determine how much gravity a body in the universe possesses? Check all that apply. mass weight distance orbital motion

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

📝 Answered - Why are objects that fall near Earth's surface rarely in free fall? A. Gravity does not act on objects near Earth's surface. B. Air exerts forces on falling objects near Earth's surface. C. The objects do not reach terminal velocity. D. The objects can be pushed upward by gravity.

📝 Answered - If the normal force increases, what happens to the force of friction, assuming all other factors remain constant? A. It decreases B. It remains the same C. It increases D. It becomes zero

📝 Answered - If an object has a mass of 20 kg, what's the force of gravity acting on it on Earth? A) 1.96 kg B) 2.04 kg C) 32.67 N D) 196 N

📝 Answered - The table shows data for the planet Uranus. | Quantity | Value | | :-------------------------------- | :---- | | Escape velocity (km/s) | 21.3 | | Gravitational acceleration ($m/s^2$) | 8.7 | | Orbital velocity (km/s) | 6.8 | | Length of day (hours) | 17.2 | To the nearest whole number, how much would a 25.0 kg rock weigh on Uranus? A. 170 N B. 218 N C. 430 N D. 532 N

📝 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 - Use the mass and volume data to calculate the density of an unknown metal to the nearest hundredth. Mass of unknown metal = [tex]$222.50 g$[/tex] Volume of unknown metal = [tex]$25.00 cm^3$[/tex]