A block has a volume of 0.07 m3 and a density of 3,500 kg/m3. What's the force of gravity acting on the block (and weight) in the air? A. 1,715 N B. 2,058 N C. 686 N D. 2,401 N

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A block has a volume of 0.07m3 and a density of 3500 kg/m3. The force of gravity acting on the block in air is 2,401 N. Density = mass / volume , mass= 3500*0.07 =245 kg , force = mass *acc , force = 245 *9.8 = 2,401 N

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Asked 7/15/2018 9:51:03 PM

Updated 54 days ago|11/27/2024 8:30:14 AM

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Edited by oldwallet [11/27/2024 8:30:13 AM]

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An object has a mass of 13.5 kilograms. What force is required to accelerate it to a rate of 9.5 m/s2? A. 132.30 N B. 173.75 N C. 128.25 N D. 81.00 N

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Question|Asked by MariNBF

Updated 7/3/2019 4:02:08 PM

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nstlynmyvnn

128.25 N force is required to accelerate it to a rate of 9.5 m/s2.
Force = ma = 13.5 kg * 9.5 m/s2 = 128.25 N

Added 7/3/2019 4:02:08 PM

This answer has been confirmed as correct and helpful.

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Asked 7/15/2018 9:10:18 PM

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Marshall determines that a gas has a gage pressure of 276 kPa. What's the absolute pressure of this gas? A. 156 kPa B. 326 kPa C. 176 kPa D. 376 kPa

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A block has a volume of 0.09 m3 and a density of 4,000 kg/m3. What's the force of gravity acting on the block in water? A. 3,038 N B. 2,646 N C. 3,528 N D. 882 N

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