PHYSICS HIGH SCHOOL

I WILLL MARK YOUUUUUUU HELPPPPAcceleration due to gravity on the moon is 1.6 m/s2. If a person has a mass of 65 kg on Earth, what is their weight on the moon?

Answers

Answer 1
Answer:

Answer:

weight of the moon = mass × gravity

= 65kg × 1•6

=104N/kg
Answer 2
Answer:

Answer:

10.75 kg

Explanation:

moon = (weight on earth/9.81m/s^2)*1.622m/s^2

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An object that is farther from a converging lens than its focal point always has an image that is _____.invertedvirtualthe same in sizesmaller in size

Describe how do ions form?

Answers

Answer:

Ions are formed by the addition of electrons to, or the removal of electrons from, neutral atoms or molecules or other ions; by a combination of ions with other particles; or by rupture of a covalent bond between two atoms in such a way that both of the electrons of the bond are left in association with one of the formerly bonded atoms.

Explanation:

Answer:

Ion, any atom or group of atoms that bears one or more positive or negative electrical charges. Positively charged ions are called cations; negatively charged ions, anions. Ions are formed by the addition of electrons to, or the removal of electrons from, neutral atoms or molecules or other ions; by combination of ions with other particles; or by rupture of a covalent bond between two atoms in such a way that both of the electrons of the bond are left in association with one of the formerly bonded atoms. Examples of these processes include the reaction of a sodium atom with a chlorine atom to form a sodium cation and a chloride anion; the addition of a hydrogen cation to an ammonia molecule to form an ammonium cation; and the dissociation of a water molecule to form a hydrogen cation and a hydroxide anion.

Explanation:hope dis helps u

A sample that is treated exactly like the other experimental groups except that the variable is not applied to it is a(n) _____. a. observation
b. variable
c. control
d. hypothesis

Answers

This is a "control" - answer c).

You always need a control in an experiment, otherwise you don't know what influenced the changes. Imagine you make children eat more vegetables and they grow - do you know if it's due to vegetables or not? You need to have another group that eats normal amounts of vegetables to compare this. 

Generally , people water their plants with 100% H2o--- no solutes added. What sort of environment does this create around the roots of the plant? (Hypotonic, hypertonic or isotonic ) EXPLAIN!!

Answers

This is difficult to explain, but it's hypotonic. HypERtonic is where there is where the cells shrivel up because there is more solute (salt is an example of a solute) on the outside, so the water rushes outward towards it and shrivels the cell. Plants like lots of water so they like to be hypotonic, and since you're adding pure H2O, there is no solute being added, so the solute is in the cell, causing the water to rush in. Isotonic is equal throughout the solution.

A complete series circuit consists of a 12.0 V battery, a 4.70 O resistor, and a switch. The internal resistance of the battery is 0.30 O. The switch is open. What does an ideal voltmeter read when placed across the terminals of the switch?12.0 V
9.40 V
2.40 V
zero

Answers


With the switch open, there's no current in the circuit, and therefore
no voltage drop across any of the dissipative elements (the resistor
or the battery's internal impedance).  So the entire battery voltage
appears across the switch, and the voltmeter reads 12.0V .

The source of the centripetal force that arises when a runner rounds a curve on a track is _____.tension
friction
weight
gravity

Answers

while taking a turn on a track, the track provides the frictional force acting towards the center of the curve. we know that to move in a curve, centripetal force is required. here since the frictional force acts towards the center, it provides the necessary centripetal force to move in circle. hence the correct choice is

friction

It's actually Friction.

I just did the test and got it right.

Which statement best describes perigee? A. The closest point in Earth's orbit of the Sun
B. The Sun's orbit that is closest to the Moon
C. The farthest point in the Moon's orbit to Earth
D. The closet point in the Moon's orbit to Earth

Answers


Whenever you see "-gee" in the description of a point in an orbit,
you know it's talking about an orbit of the Earth.  You see the same
piece of a word in "geology" and "geography".  "Geometry" began
as the study of measuring places on the Earth, so that you and your
neighbor could agree on where your field ends and his begins, and
if you wanted to buy part of his field from him, the two of you could
go outside, do some measurements, and agree on what area you're
paying him for.

"Perigee" and "apogee" are the points in the orbit of the Moon, or a
TV satellite, or the International Space Station, where the orbiting body
is nearest or farthest from the Earth.  "Perigee" is the lowest/nearest point. 
"Apogee" is the highest/farthest point.

If the description has "-helion" in it instead of "-gee", then it's talking about
an orbit around the sun, like points in the Earth's orbit.  The "-helion" comes
from the Greek word "Helios" for the Sun.
Earth is at perihelion during the first few days of January, and at aphelion
during the first few days of July.  (That's right ... nearest to the sun in January,
and farthest from the sun in July.)
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