Physics, 26.08.2020 21:01 akornegay2
Whenever you push an object across a frictional surface, it starts out taking a lot of force to push to get the object moving. However, once the object starts moving, it is much easier to keep it moving. What does this tell you about one of the main differences between static and kinetic friction?
A) Static friction only depends on the surface material, while kinetic friction only depends on the motion
B) Kinetic and Static friction are the exact same thing
C) Static friction and kinetic friction are combined in one at all times, but static friction is just not seen during the motion
D) Static Friction is much stronger than kinetic friction, so it takes more force to get an object moving than it does to keep it moving
Answers: 2
Physics, 21.06.2019 19:30
The 20@kg wheel has a radius of gyration about its center g of kg = 300 mm. when it is subjected to a couple moment of m = 50 n # m, it rolls without slipping. determine the angular velocity of the wheel after its mass center g has traveled through a distance of sg = 20 m, starting from rest.
Answers: 3
Physics, 22.06.2019 21:00
The first law of thermodynamics states that heat added to a system is neither created nor destroyed but is as it changes into other forms of energy.
Answers: 1
Physics, 22.06.2019 23:00
Acommon technique in analysis of scientific data is normalization. the purpose of normalizing data is to eliminate irrelevant constants that can obscure the salient features of the data. the goal of this experiment is to test the hypothesis that the flux of light decreases as the square of the distance from the source. in this case, the absolute value of the voltage measured by the photometer is irrelevant; only the relative value conveys useful information. suppose that in part 2.2.2 of the experiment, students obtain a signal value of 162 mv at a distance of 4 cm and a value of 86 mv at a distance of 5.7 cm. normalize the students' data to the value obtained at 4 cm. (divide the signal value by 162.) then calculate the theoretically expected (normalized) value at 5.7 cm.
Answers: 2
Whenever you push an object across a frictional surface, it starts out taking a lot of force to push...
Chemistry, 24.11.2020 01:30
Mathematics, 24.11.2020 01:30
Health, 24.11.2020 01:30
Mathematics, 24.11.2020 01:30
English, 24.11.2020 01:30
English, 24.11.2020 01:30
History, 24.11.2020 01:30