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A 7.5 kg block is placed on a table. If its bottom surface area is 0.6 m2, how much pressure does the block exert on the tabletop?
A 7.5 kg block is placed on a table. If its bottom surface area is 0.6 m2, 122.5 Pa pressure does the block exert on the tabletop. Solution: P = F/A = mg/A = (7.5 kg)(9.8 m/s^2)/(0.6 m^2) = 122.5 Pa (answer)
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Asked 2/26/2019 6:46:08 AM
Updated 82 days ago|8/7/2020 9:37:08 PM
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A 7.5 kg block is placed on a table. If its bottom surface area is 0.6 m2, 122.5 Pa pressure does the block exert on the tabletop.
Solution:
P = F/A = mg/A = (7.5 kg)(9.8 m/s^2)/(0.6 m^2) = 122.5 Pa (answer)
Added 82 days ago|8/7/2020 9:37:08 PM
This answer has been confirmed as correct and helpful.
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A car travels from Boston to Hartford in 4 hours. The two cities are 240 kilometers apart. What was the average speed of the car during the trip?
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Updated 163 days ago|5/19/2020 9:59:27 AM
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A car travels from Boston to Hartford in 4 hours. The average speed of the car was 60 km/hour.

240/4=60
Added 163 days ago|5/19/2020 9:59:27 AM
This answer has been confirmed as correct and helpful.
A car with a mass of 2,000 kilograms is moving around a circular curve at a uniform velocity of 25 meters per second. The curve has a radius of 80 meters. What is the centripetal force on the car? A. 703 N B. 20,250 N C. 625 N D. 15,625 N
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Updated 143 days ago|6/8/2020 3:06:28 AM
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A car with a mass of 2,000 kilograms is moving around a circular curve at a uniform velocity of 25 meters per second. The curve has a radius of 80 meters. The centripetal force on the car is 15,625 N.
Solution:
Fc = (mv^2)/r (where, Fc=centripetal force)
Fc = (2,000 kg * 625 m/sec)/80 m
Fc = 1,250,000/80m
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Added 143 days ago|6/8/2020 3:06:28 AM
This answer has been confirmed as correct and helpful.
An object has a mass of 120 kg on the moon. What is the force of gravity acting on the object on the moon?
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Updated 143 days ago|6/8/2020 3:06:56 AM
1 Answer/Comment
An object has a mass of 120 kg on the moon. The force of gravity acting on the object on the moon is 1,176 N.
Solution:
Force = mg
Force = 120 kg * 9.8
Force = 1,176 N (answer)
Added 143 days ago|6/8/2020 3:06:56 AM
This answer has been confirmed as correct and helpful.
An object has a mass of 120 kg on the moon. What is the force of gravity acting on the object on the moon? A. 1,176 N B. 196 N C. 12.24 N D. 20 N
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Updated 229 days ago|3/14/2020 12:42:47 PM
1 Answer/Comment
An object has a mass of 120 kg on the moon. the force of gravity acting on the object on the moon is 196N.
Force = mass *acc, Force = 120 * 9.8 /6 = 196N
Added 229 days ago|3/14/2020 12:42:47 PM
This answer has been confirmed as correct and helpful.
A 7.5 kg block is placed on a table. If its bottom surface area is 0.6 m2, how much pressure does the block exert on the tabletop? A. 226.5 Pa B. 122.5 Pa C. 73.5 Pa D. 367.5 Pa
Question
Not Answered
Updated 191 days ago|4/20/2020 7:54:56 PM
1 Answer/Comment
A 7.5 kg block is placed on a table. If it's bottom surface area is 0.6m2, the block exert 122.5 Pa on the tabletop.

Solution: P = F/A where F = mg; F = 7.5 ( 9.81) = 73.6 N; P = 73.6 N / 0.6 m^2 = 122.5 Pa.
Added 191 days ago|4/20/2020 7:54:56 PM
This answer has been confirmed as correct and helpful.
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