Ver?
for
nd
е
things.
that
years.
4. After a transverse wave passes through a sub-
stance, no particle ever ends up far from its
original position.
Which of the following illustrates this principle?
A. A cork in water bobs up and down as
waves pass.
B. Sound waves travel through air.
C. When two waves overlap, they interfere
with one another.
D. A stone dropped into a pond causes rip-
ples to radiate outward.
Answers: 2
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Acar of mass m goes around a banked curve of radius r with speed v. if the road is frictionless due to ice, the car can still negotiate the curve if the horizontal component of the normal force on the car from the road is equal in magnitude to 101) a) mv2/r b) mg/2. d) mg e) tan[v2/(eg)]
Answers: 2
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In which of the following cases is work being done on an object? question 2 options: pulling a trailer up a hill carrying a box down a corridor suspending a heavy weight with a strong chain pushing against a locked door
Answers: 2
Physics, 22.06.2019 10:00
Because air contracts as it cools, the air pressure inside a freezer is typically lower than on the outside. why do ice cubes inside a freezer tend to shrink over time? a. the ice dissolves oxygen from the air, forming a denser crystalline matrix.b. the ice reacts chemically with carbon dioxide in the air, forming gaseous carbon compounds.c. the ice melts, and then the liquid freezes as ice crystals on the bottom of the freezer.d. the ice sublimes, and then the water vapor deposits as ice crystals on the sides of the freezer.
Answers: 1
Physics, 22.06.2019 18:00
By what primary heat transfer mechanism does the sun warm the earth?
Answers: 1
Ver?
for
nd
е
things.
that
years.
4. After a transverse wave pa...
nd
е
things.
that
years.
4. After a transverse wave pa...
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