If a stone with an original velocity of 0 is falling from a ledge and takes 8 seconds to hit the ground, what is the final velocity of the stone?
If a stone with an original velocity of 0 is falling from a ledge and takes 8 seconds to hit the ground, the final velocity of the stone v = gt = (9.81 m/s²)(8s) = 78.4 m/s
s
Question
Updated 125 days ago|6/24/2020 9:43:19 PM
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If a stone with an original velocity of 0 is falling from a ledge and takes 8 seconds to hit the ground, the final velocity of the stone v = gt = (9.81 m/s²)(8s) = 78.4 m/s
Added 125 days ago|6/24/2020 9:43:19 PM

Questions asked by the same visitor
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?
Question
Updated 161 days ago|5/19/2020 9:59:27 AM
A car travels from Boston to Hartford in 4 hours. The average speed of the car was 60 km/hour.

240/4=60
Added 161 days ago|5/19/2020 9:59:27 AM
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
Question
Updated 142 days ago|6/8/2020 3:06:28 AM
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

Added 142 days ago|6/8/2020 3:06:28 AM
An object has a mass of 120 kg on the moon. What is the force of gravity acting on the object on the moon?
Question
Updated 142 days ago|6/8/2020 3:06:56 AM
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
Added 142 days ago|6/8/2020 3:06:56 AM
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
Question
Updated 227 days ago|3/14/2020 12:42:47 PM
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 227 days ago|3/14/2020 12:42:47 PM
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?
Question
Updated 81 days ago|8/7/2020 9:37:08 PM
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 81 days ago|8/7/2020 9:37:08 PM
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