Now, imagine that you are helping a library move. You are lifting boxes of books onto a cart. Most of the boxes are full of many books, but one of the boxes was closed, only having a few books in it. You go to lift this box, not knowing it has less mass, with the same amount of force as you used to lift the full boxes. How will the acceleration of this box compare to the acceleration of a full box? Newton’s second law of motion tells us that if the force remains constant and the mass is decreased, the object will accelerate at a faster rate. Because the acceleration increases when the mass decreases, we say that acceleration is inversely proportional to mass.
Give an example of a situation where you might use the mathematical formula for Newton's second law to solve a problem. Explain how the formula would be useful in this situation.
Answer:
25 is it
Explanation:
The Bill and Melinda Gates Foundation hires you as a consultant to determine how best to use $20 billion to save the world and make it a better place to live. You cannot spend $1 on yourself or your family. What’s your plan? Who would you help? What would you do?
Answer:
I like writing sentences, cama cama cama shake your body do that conga yeah shake your body baby do that conga come on shake your body baby do that Conga come on shake your body baby do that cngaaaaaaa
Explanation:
An area with many volcanoes that includes the western borders of South, Central, and North America, the southern border of Alaska, and the eastern border of Japan is often called the Ring of Fire. Why did so many volcanoes form in these areas?
help
science
Which of the following investigations is an experiment?
1 Constructing a model to study the water cycle
2 Measuring the height of a table using a measuring tape
3 Measuring the effect of different activities on heart rate
4 Observing two birds to find out which of the two flies higher
Answer:
The answer is number 1
Please help and serious answers only please!!
Answer:
#9: Tisa's average speed is 6 meters per second
Lily's average speed is 6 meters per second
#10: Alesia is fastest during the first hour (the first decrease)
Explanation:
rly don't have time to explain if u want me to comment and I'll come back
<3
Everything in the world has the same density. True or False?
If two scooters are moving at the same speed but in opposite directions is their velocity the same? Explain
Answer:
yes
Explanation:
because there going the same speed but in different directions.
.. Which location shows AUTUMN (fall) in the NORTHERN hemisphere? *
HINT: Pay attention to which season the North is leaving... Is it leaving summer, or is it leaving winter?
Location 1
Location 2
Location 3
Location 4
Answer:
Location 2
Explanation:
This shows fall because the Earth is a little tilted not giving as much light
What types of crust are colliding between the South American Plate and the Nazca Plate?
Answer Choices:
Continental Crust/Continental Crust
Oceanic Crust/Oceanic Crust
Oceanic Crust/Continental Crust
Answer:
Oceanic Crust/Continental Crust
Explanation:
It is a destructive plate boundary between the oceanic crust of the Nazca plate and the continental crust of the South American plate.
When a ball bounces back when you throw it at a wall, what occurs?
A- refraction
B- reflection
C- diffraction
D- absorption
Answer:
a (refraction) i think
Explanation:
PLS HELP ITS DUE TODAY
Which type of plate boundaries can result in slow changes to Earth’s crust? What is created because of these plate boundaries?
Which type of plate boundaries can result in fast changes to Earth’s crust? What is created because of these plate boundaries?
How is the movement of the cocoa and milk similar to the movement in the asthenosphere?
Answer: tectonic plates
Explanation:
Geologists have hypothesized that the movement of tectonic plates is related to convection currents in the earth's mantle. ... Tremendous heat and pressure within the earth cause the hot magma to flow in convection currents. These currents cause the movement of the tectonic plates that make up the earth's crust.
During the 1840s, Americans used the idea of Manifest Destiny to justify the...
A. expansion of women's rights
B. acquiring of new territories
C. repeal of the Missouri Compromise
D. beginning of free public education
What is the current flow in amps in a circuit with an emf of 20v and
a total resistance of 4 ohms?
Answer:
voltage ÷ resistance; therefore
20 ÷ 4 = 5 amps
If you poured yourself a drink and then you started to see layers what phenomenon is happening?
Answer:
alcohol poisoning
Explanation:
When a cannon fires a cannonball we observe Newton's third law. Which is the reaction force?
A) The cannon moving forward
B) The cannonball moving backward
C) The cannon moving backward
D) The cannonball moving forward
We have that when a cannon fires a cannonball the reaction is the opposite reaction spoken about in newton law
The cannon moving backward
Option C is correct
Newtons third law state that for every action they must be an equal and opposite reaction Therefore
When a cannon fires a cannonball we observe Newton's third law the reaction force notice is the opposite reaction spoken about in newton law
In conclusion
When a cannon fires a cannonball the reaction is the opposite reaction spoken about in newton law
The cannon moving backward
Option C is correct
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A book rests on a table. The force of gravity pulls down on the book with a force of 20 newtons. What prevents the books from accelerating downward at 9.8 m/sec2
A) The table presses back up on the book with an equal and opposite force of 20 newtons.
B) The table and the book together are accelerating downwards at 9.8 m/sec2
C) The table presses back up on the book with a force greater than 20 newtons.
D) The inertia of the book holds it up
Answer:
A
Explanation:
the forces are balanced that's why book experiences no net force
Answer:
A
Explanation:
Action/Reaction force!
Book on table, table on book. This particular reaction force is called the Normal Force. The table doesn't push back with more force, or there would be an unbalanced positive force, causing the book to accelerate upward. The forces must be in equilibrium if the acceleration is 0 (rest)
What types of crust are colliding between the North American Plate and the Pacific Plate?
Answer Choices:
Continental Crust/Continental Crust
Oceanic Crust/Oceanic Crust
Oceanic Crust/Continental Crust
Another one of these that my daughter is asking and I don't know the answer. Please help!
Answer: G00gle got you bro
Explanation:
Yea
Why do you see objects when you shine a flashlight in a dark room? A. The objects you see are refracted. B. The objects you see are blackened. C. The objects you see are illuminated. D. The objects you see are luminous.
Answer:
A
Explanation:
it s refracted
What is the main reason for running one experiment that has an independent variable and running one variable with everything the same except that it does not have the independent variable?
Answer:
when you run one experiment and it is off and then do the same experiment again that makes it not have a independent variable.
Explanation:
How is most water in your body eliminated?
Answer:
your body loses water from the kidneys through the urine
Answer:
The body loses water primarily by excreting it in urine from the kidneys. Depending on the body's needs, the kidneys may excrete less than a pint or up to several gallons (about half a liter to over 10 liters) of urine a day.
Explanation:
How would you describe your position using reference points?
Answer
A reference point is the starting point you choose to describe the location, or position, of an object. The reference point in the first example is your friend. ... The direction is north, and the reference point is your school. A position is an object's distance in a certain direction from a reference point.
Explanation:
Answer:
A reference point is the starting point you choose to describe the location, or position, of an object. The reference point in the first example is your friend. ... The direction is north, and the reference point is your school. A position is an object's distance in a certain direction from a reference point.
Hope this helps
Which of these vitamins are essential for building strong bones? (Select all that apply.)
vitamin D
vitamin E
vitamin B
vitamin C
Why does a nucleus always have a positive charge?
Answer:
Explanation:
The nucleus is positive because only protons live in the nucleus. Electrons (which have a minus charge ) orbit around the nucleus, but only the nucleus has positive charges.
Which of these minerals are essential for muscle health? (Select all that apply.)
potassium
sodium
iodine
calcium
Answer:
Potassium and calcium
Explanation:
What is the wavelength of a water wave that is moving at 12 m/s with a frequency of 3 Hz?
(p.s: I also have to show my work on this question!)
Answer:
4 meters
Explanation:
The Formula for finding Wavelength is Wavelength= Speed/ Frequency.
Substitute the values into this equation. 12m/s/3= Wavelength
12/3=4
So, the Wavelength is 4 meters
Hope I helped, Brainliest would be appreciated :)
Have a fantastic day!
-Aadi x
The car moves at 300 m/s on a highway, after 25s the car stops. What is acceleration?
Answer:
12
Explanation:
Acceleration=change in velocity/change in time
Change in velocity is 300-0 (because the car stops meaning velocity is 0) so the change is 300.
Change in time is 25-0(because time started at 0 secs.
300/25=12m/s^2
Answer:
12
Explanation:
A truck accelerates on a highway from rest to 216 m/s in 10s. What is the magnitude of acceleration?
Explanation:
acceleration is the change in velocity per time taken
a = ∆v/t.
a = (216 - 0)/10
a = 216/10
a = 21.6m/s²
diagram... At which location would the moon most likely be in a FULL MOON phase (all of the lit side visible)? *
A
B
C
D
E
F
A patient with a family history of cholesterol deposits in the arteries asks her doctor for a recommended vitamin. Which of these vitamins is the doctor likely to recommend?
vitamin D
vitamin C
vitamin B
vitamin F
Cholesterol deposits in the arteries can be treated by the Vitamin B (Niacin).
Why Vitamin B is used to treat cholesterol patients?The function of Vitamin B (Niacin) is to remove the LDL (low density lipo protein) from the body that is Bad cholesterol and to increase the HDL (High density Lipo protein) that is good cholesterol.
Niacin is a type of vitamin B which is used by the human body to convert the food into an energy. Niacin (Vitamin B) also improves the performance of the nervous system and digestive system and also keeps the skin healthy.
Thus Vitamin B is used to treat the cholesterol patients.
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Pierre is a 375 kg great white with an average speed of 3 m/s. When Pierre spots a seal, he increases his velocity to 7 m/s. After he eats the 45 kg seal, Pierre returns to his average velocity. What is Pierre's kinetic energy?
Answer:
1890J
Explanation:
375+45 = 420kg (total mass)
kinetic energy = 1/2 × mass × velocity²
1/2 × 420 × 3² = 1890J