Physics, 29.04.2021 23:00, strodersage
Emily is pushing a toy sand truck. She realizes it is much harder to push the truck when it is full of sand than when it is
empty. What is the reason for this?
An object pushed with a greater force has less mass.
An object with a greater mass requires a smaller force to accelerate.
An object with a greater mass requires a greater force to accelerate.
An object pushed with a greater force has a greater mass.
Answers: 1
Physics, 22.06.2019 03:30, sere50
The focal length of a relaxed human eye is approximately 1.7 cm. when we focus our eyes on a close up object, we can change the refractive power of the eye by about 16 diopters. (a) does the refractive power of our eyes increase or decrease by 16 diopters when we focus closely? explain. (b) calculate the focal length of the eye when we focus closely.
Answers: 3
Physics, 23.06.2019 01:30, Kekkdkskdkdk
Ionic compounds can be readily dissolved in water because the high dielectric constant of water screens and decreases the force between the oppositely charged ions.
Answers: 3
Emily is pushing a toy sand truck. She realizes it is much harder to push the truck when it is full...
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