Weight is the gravitational force an object experiences due to its mass and gravitational acceleration and the weight of an object on Earth is less than the weight of the same object on the Moon, but the mass remains the same. Thus, the correct options are B and C.
What is the difference between Weight and Mass?Mass is a scalar quantity. This is because it has magnitude only and no direction. Mass is commonly measured in the units of kilograms and grams.
Weight is a vector quantity. It has both the magnitude and it is directed towards the center of the Earth or other gravity well. Weight is commonly measured in the units of Newtons.
Weight is the gravitational force which an object experiences due to its mass and the acceleration due to gravity (g) and the weight of an object on the Earth is less than the weight of the same object on the Moon, but the mass remains the same as it is not dependent upon the gravity.
Therefore, the correct options are B and C.
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state 8/15 as a decimal correct to four decimal places
Answer:
8/15=0.53..., since the 3 is repeating, just stop at the 4th decimal place, thus
0.5333
Explanation:
22. Sweat glands are found in human skin. These glands release sweat to help the body cool during exercise. What would MOST LIKELY happen during exercise if a person's sweat glands were NOT functioning?
A. The body would become overheated.
B. More sweat would be released.
C. The upper layer of skin would become thicker.
D. More hair would grow on skin.
Answer:
A.
Explanation:
all i know is that sweat keeps your body from overheating
A liquid has a density of 0.85 g/cm. If you pour some of the liquid into a glass of water, will the liquid float?
Explain how you know
PLEASE HURRY
Answer:
Yes, it will float.
Explanation:
It is given that,
A liquid has a density of 0.85 g/cm³.
We know that, the density of water is 1 g/cm³.
The density of the liquid is less than that of water. If the density of the liquid is less than that of water, it will float in it. Hence, if you pour some of the liquid into a glass of water, it will float.
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Question: If you are traveling by train and the trip is 125 miles and takes 2 hours winding through the mountains, a) whats average speed? b) how would this be different if the train in each of the following situations- Train at rest, Train traveling at constant speed in a straight line, and the Train with a braking force (the train in the middle of coming to a stop)
PLEASE ANSWER ALL ASAP
Answer:
Average speed 62.5 miles an hour. If the train was traveling at a constant speed in a straight line it would be much faster on getting to its destination
Explanation:
Ram travel 50metre on a straight road in 30second . hari covers the same distance on the same road in 45s . who has done more work ? who has more ? Explain in short
Answer:
The ram has done more work because the rate at which the ram work is 1.6m/s and Hari is 1.1m/s
A velocity-time graph shows how what changes over time.
Answer:
velocity changes over time.
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Answer:
B
hdhdududydysgd
hdhdgdtdtdt
gsgdgdggd
Explanation:
I TIHNK IS THE ANSWER
Answer:
C
Explanation:
Wave length is - - - - >
Bsjejwakknsbsbehebebbdbdbs
Choose ne
1. Water is optically rarer than_____
a. glass
b. air
c. diamond
d. both b and c
Answer:
diamond
Explanation:
im not 100% sure so my bad if im wrong
If a ball is thrown at a wall at 3 m/s (with NO air resistance), with what velocity will it
hit the wall?
Answer:
3 m/s
Explanation:
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Answer:
the answer is B
Explanation:
because i had this question in 8th grade
The nucleus of a cell is like the ____ of a large animal.
HELP ASAP!!!
All atoms of the same element have the same number of
a. electrons b. protons
c. neutrons
d. isotopes
Answer:
The answer is b.Protons
Please do all of i will give you brainlest and thanks to best answer
Answer:the answer is A
Explanation:
1. What is responsible for the different phases of matter?
2. What is the temperature at which a substance changes from a liquid to a solid?
3. What is the phase change from a gas to a liquid?
4. What is the phase change from a solid directly to a gas?
Answer:
1. The five phases of matter. There are four natural states of matter: Solids, liquids, gases and plasma. The fifth state is the man-made Bose-Einstein condensates. In a solid, particles are packed tightly together so they don't move much.
2. The temperature at which a substance changes from the liq- uid state to the solid state is called the freezing point. The freez- ing point of the liquid state of a substance is the same temperature as the melting point of the solid state. For example, solid water melts at 0°C and liquid water freezes at 0°C.
3. The process of a liquid becoming a gas is called boiling (or vapourization), while the process of a gas becoming a liquid is called condensation. 4. Sublimation is the process of transformation directly from the solid phase to the gaseous phase, without passing through an intermediate liquid phase.
Explanation:
hi
Guys i need help please
Answer:
I'm pretty sure the answer is around 9.2 seconds
Explanation:
A roller coaster travels down a 120 m track in 12.5 seconds how fast does the roller coaster go
Answer:
9.6m/s
Explanation:
Using the equation S=d/t where s=speed, d=distance, and t=time
plug in the known variables
S=120m/12.5s
S=9.6m/s
what is the kinetic energy of a 1 kilogram ball thrown into the air with an initial velocity of 30 m/s
Explanation:
KE = 1/2 MV ^2
KE = 1/2 * 1 * 30 ^2
KE= 1/2 * 1 * 900
KE = 450 kg m^2/ s^2
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Answer:
the above pic will help
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Question 6 (10 points)
The Washington Monument in our nation's capital is 555 ft high. Neglecting the effects of air resistance, what would be the
speed of the penny as it "hit" the ground?
оа
Ob
Oc
Od
48.3 m/s
-68.4 m/s
84.7 m/s
-57.6 m/s
Answer:
a= g = - 9.81 m/s2.
The following equations will be helpful:
a = (vf - vo)/t d = vot + 1/2 at2 vf2 = vo2 + 2ad
When you substitute the specific acceleration due to gravity (g), the equations are as follows:
g = (vf - vo)/t d = vot + 1/2 gt2 vf2 = vo2 + 2gd
If the object is dropped from rest, the initial velocity ("vi") is zero. This further simplifies the equations to these:
g = vf /t d = 1/2 gt2 vf2 = 2gd
The sign convention that we will use for direction is this: "down" is the negative direction. If you are given a velocity such as -5.0 m/s, we will assume that the direction of the velocity vector is down. Also if you are told that an object falls with a velocity of 5.0 m/s, you would substitute -5.0 m/s in your equations. The sign convention would also apply to the acceleration due to gravity as shown above. The direction of the acceleration vector is down (-9.81 m/s2) because the gravitational force causing the acceleration is directed downward.
hope this info helps you out!
Cardiovascular fitness measures the health of which body system?
Answer:
I believe it is the circulatory system.
Explanation:
Have a nice day.
Where is the planet moving faster?
Electromagnetic waves are sometimes demonstrated by rippling waves in water. However, electromagnetic waves are different from water waves. Which is a
characteristic that makes electromagnetic waves and water waves different?
O A. All water waves have higher frequencies.
OB. All water waves have longer wavelengths.
OC. All electromagnetic waves are transverse waves.
O D. All electromagnetic waves can travel in a vacuum.
if you punch a wall with the force of 30N, what force will you feel on your fist
30N
Natural reaction, the same force comes back to you
Answer:
it depends on if collision elastic or in elastic
if collision is elastic the the wall will also exert 30 N
Question 14 of 25
If magnetic field lines are drawn to represent a magnetic field, what would
they look like?
A. Only some of the lines form loops.
B. There is no consistent pattern in the lines.
C. The lines extend from the north pole to the south pole of the
magnet.
D. The lines extend from the south pole to the north pole of the
magnet.
Answer:
c
Explanation:
magnetic lines moves from North to South Pole of a magnet
The magnetic field lines are drawn to represent the start from the north pole to the south pole of the magnet. Therefore, option (C) is correct.
What are magnetic field lines?The magnetic field can be described as a field generated by the magnet or electric charges in motion. The magnetic field can be defined as the region around a magnetic material within which the force of magnetism acts.
Magnetic fields can be represented using magnetic field lines. Magnetic field lines can be drawn with the help of a compass needle. The tangent can be drawn to the magnetic field lines giving the direction of the magnetic field.
Magnetic field lines appeared to emerge from the north pole and merge at the south pole. The direction of the magnetic field lines is from the south pole to the north pole inside the magnet.
Magnetic field lines never intersect and form a closed loop. Field lines have both magnitude and direction so they are represented by a vector.
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2. If Peter is traveling .25 m/s on his bike, how long will it take him to reach
a fence that is 12 meters away?
a. 3 s
b. 20 s
c. 12 s
d. 48 s
Answer:
48 seconds
Explanation:
Since S=d/t, plug in the known values and solve
0.25m/s=12m/t
0.25m/s*t=12m
t=12m/0.25m/s
t=48 seconds
In interactions of action-reaction pairs involving Earth and everyday objects, the effect on Earth's motion is often negligible because
Answer:
...The earth has a great mass. Since mass and inertia are directly proportional to each other, the larger the mass of the object, the more inertia that it has. Inertia is the objects resistance to a change in motion.
Explanation:
LOGARITHMIC functions have 2 asymptotes
True
False
Answer:
true
Explanation:
true
The movement of crustal plates is best described as a:
1)Trend toward increased crust movement overtime
2)Series of events that happens quickly
3)continuing long-term process
4)process that has a predictable pattern
Answer:
it is number 3, continuing long-term process
please help me pwease
Answer:
Mantle will be the required answer
Why does jake get shocked when he touches the top on the plastic slide but Jacob doesn’t get shocked when he touches the underside?
Answer:
Physics and sun. BOOM
Answer: As you slide down the plastic slide, electrons move from the plastic to you. Now you have extra electrons. Touch another person or an object (anything that isn't negatively charged by extra electrons) and ZAP!
technically, since no one is sliding down the other side of the slide there aren't any extra electrons being made, so you can't really get shocked.
a roller coaster begins at the top of a hill if it acelerates at the rate of 2 m/s2 and has a mass of 2000 kg what net force is acting on it plzzz someone help im over here crying bc i dont know
Answer:
[tex]\boxed {\boxed {\sf 4000 \ Newtons }}[/tex]
Explanation:
Force can be found by multiplying the mass by the acceleration.
[tex]F=m*a[/tex]
The mass of the roller coaster is 2000 kilograms and the acceleration is 2 meters per second squared.
[tex]m= 2000 \ kg \\a= 2 \ m/s^2[/tex]
Substitute the values into the formula.
[tex]F= 2000 \ kg * 2 \ m/s^2[/tex]
Multiply.
[tex]F= 4000 \ kg*m/s^2[/tex]
1 kg*m/s² is equal to 1 NTherefore our answer of 4000 kg*m/s² is equal to 4000 Newtons[tex]F= 4000 \ N[/tex]
The net force acting on the roller coaster is 4000 Newtons.
