A ballon is being pushed upwards by the force of the hot air inside it. If the ballon has a mass of 250 kg, how much force is needed to accelerate it upwards at 0.3 m/s^2?

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A: Solution:-

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Q: Calculate the momentum of a car that has a mass of 300 kg and a velocity of 16 m/s ?

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Q: The acceleration of an object is directly proportional to its mass. true or false

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Q: 26. An equilateral triangle has a point charge +q at each of the three vertices (A, B, C). Another…

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Q: At what flow rate might turbulence begin to develop in a 0.380 m diameter water main? Assume a 20°C…

A: The flow rate might turbulence begin to develop is 5.995×10^-4.

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Q: In an experiment about the Law of Refraction, what are the objectives of it?

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Q: The height (m) of a spring over time, in seconds, can be modeled by the function h(t) = 3cos3t + 3…

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Q: (Figure 1) is an energy-level diagram for a simple atom. Figure 1 of 1 -E₂ = 4.0 eV - E₂ = 1.5 eV…

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Q: why do you not have to hit a hockey puck and make a goal with just positive charge?

A: We not have to hit a hockey puck and make a goal with just positive charge

Q: In the xyz coordinate system, indicate the direction of the magnetic force on each of the moving…

A: Given data :- charge q = -qvelocity v→ = vj^magnetic field B→ = Bk^

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Newton's First Law of Motion

If a very smooth ball is rolled down an inclined surface with zero friction, the ball will continue to roll indefinitely for an infinite time, in an attempt to reach to the same height on the opposite hill!