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. 122.5 Pa B. 367.5 Pa C. 73.5 Pa D. 226.5 Pa
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. P = F/A = mg/A = (7.5 kg)(9.8 m/s²)/(0.6 m²) = 122.5 Pa.
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Asked 4/15/2019 3:59:49 PM
Updated 167 days ago|5/10/2020 8:20:01 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. P = F/A = mg/A = (7.5 kg)(9.8 m/s²)/(0.6 m²) = 122.5 Pa.
Added 167 days ago|5/10/2020 8:20:01 PM
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Questions asked by the same visitor
Find the volume of a cylinder with a diameter of 10 inches and a height of 20 inches. A. 1,570 cu. in. B. 62.8 cu. in. C. 705 cu. in. D. 6,280 cu. in.
Question
Updated 9/10/2019 2:28:12 PM
[Deleted]
Added 9/10/2019 2:27:57 PM
This answer has been added to the Weegy Knowledgebase
Deleted by maydj [9/10/2019 2:28:01 PM]
The volume of a cylinder with a diameter of 10 inches and a height of 20 inches is: 1,570 cu. in.
Solution:
r = diameter / 2
r = 5
V = pi * r² * h
V = 3.14 * 25 * 20
V = 1,570
Added 9/10/2019 2:28:12 PM
This answer has been confirmed as correct and helpful.
A cylindrical tank has a radius of 15 feet and a height of 45 feet. How many cubic feet of water can the tank hold? A. 675 cu. ft. B. 31,792.5 cu. ft. C. 15,896.25 cu. ft. D. 127,170 cu. ft.
Question
Updated 148 days ago|5/30/2020 10:04:26 AM
A cylindrical tank has a radius of 15 feet and a height of 45 feet. The tank can hold 31,792.5 cubic feet of water.
Solution:
Volume of cylinder = pi * r^2 * h
Volume of cylinder = 3.14 * 15^2 * 45
Volume of cylinder = 3.14 * 225 * 45
Volume of cylinder = 31,792.5 cu. ft. (answer)
Added 148 days ago|5/30/2020 10:04:26 AM
This answer has been confirmed as correct and helpful.
The distance from the center of a compact disc to the edge of the disc is 6 centimeters. What's the area of the compact disc? A. 113.04 square centimeters B. 452.16 square centimeters C. 36 square centimeters D. 18.84 square centimeters
Question
Updated 6/26/2019 7:30:19 AM
The distance from the center of a compact disc to the edge of the disc is 6 centimeters. Radius = 6 cm , Area = pi *r^2 = 3.14 *6^2 = 3.14 *36 = 113.04 square centimetres
Added 6/26/2019 7:30:19 AM
This answer has been confirmed as correct and helpful.
50 J of work was performed in 20 seconds. How much power was used to do this task? A. 24.5 W B. 0.4 W C. 4 W D. 2.5 W
Question
Updated 29 days ago|9/25/2020 10:45:05 PM
50 J of work was performed in 20 seconds. 2.5W power was used to do this task.

Power = work done / time taken ; Power = 50 / 20 = 2.5W

Added 29 days ago|9/25/2020 10:45:05 PM
This answer has been confirmed as correct and helpful.
How much time should be allowed for a 605-mile car trip if the car will be traveling at an average speed of 55 miles per hour? A. 9 hours B. 8.75 hours C. 11 hours D. 10.5 hours
Question
Updated 29 days ago|9/25/2020 10:46:50 PM
11 hours should be allowed for a 605-mile car trip if the car will be traveling at an average speed of 55 miles per hour.

T= d/s time= distance divided by speed
605 miles / (55 miles per hour) = 11 hours.
Added 29 days ago|9/25/2020 10:46:50 PM
This answer has been confirmed as correct and helpful.
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