A constant net force acts on an object. which of the following best describes the object's motion?
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A single star in the process of forming starts by spinning slowly (while it is quite large and relatively cool.) As the star collapses under the pull of its own gravity, its size decreases. As a result, its rate of spinning:_____.
A toaster oven has a power rating of 1200W. If you cook a pizza in it for 1 hour at 450°F, how manyjoules of electrical energy are converted into heat by the toaster oven?
Timers at a swim meet used four different clocks to time an event. Which recorded time is the least precise?a. 48.9107 s b. 48.91 s c. 48.910 s d. 48.9 s
Why are there so few working wave power stations?
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Answer:
cluster
Explanation:
B.a quantity with both magnitude and direction
C.a magnitude described as a number
D.the magnitude of a value
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Final answer:
The sum of two vectors A and B is a resultant vector R, where R = A + B. If vectors A and B are plotted with their tails at the origin and heads at points (x1, y1) and (x2, y2), respectively, the resultant vector R ends at point (x1+x2, y1+y2). This represents the sum of the individual components of vectors A and B.
Explanation:
In vector addition, the equation for the sum of two vectors A and B can be generally represented as R = A + B, where R is the resultant vector. If the vectors are plotted with their tails at the origin and their heads ending at points (x1, y1) for Vector A and (x2, y2) for Vector B, the resultant vector, R, will end at the point (x1+x2, y1+y2). In other words, the components of the resultant vector are simply the sum of the components of the original vectors.
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Answer:
R=-x-4y
Explanation:
Because i said so
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The density of the sample of gold whose mass is 38.6 grams and with a volume of 2 cm³ is 19300 kg/m
Density: This can be defined as the ratio of mass and velocity. The S.I unit of density is kg/m³.
The question above can be solved using the formula below
D = m/V.................... Equation 1
Where D = density of the sample of gold, m = mass of gold, V = volume of gold.
From the question,
Given: m = 38.6 g, = 0.0386 kg, V = 2 cm³ = 0.000002 m³
Substitute these values into equation 1
D = 0.0386/0.000002
D = 19300 kg/m³
Hence the density of the sample of gold is 19300 kg/m³
Learn more about density here: brainly.com/question/23562510
Answer:
Explanation:
The density of a material is given by
where
m is the mass of the sample
V is its volume
for the sample of gold in this problem,
m = 38.6 g
Substituting into the formula, we find the density of gold:
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Answer : The correct option is, (B) neutron
Explanation :
As we know that the atomic number of helium atom is 2. That means it has 2 number protons, 2 number of electrons and 2 number of neutrons.
There are three subatomic particles. Protons, neutrons and electrons. The subatomic particle proton which is positively charged and neutron which is neutral are located in the center of the nucleus and the subatomic particle electrons which is negatively charged are located outside the nucleus.
In Bhor atomic of the helium atom,
The letter X represent the electrons.
The letter Y represent the neutrons.
The letter Z represent the protons.
The letter W represent the nucleus.
Hence, the correct option is, (B) neutrons.
The Answer that your looking for is NEUTRON
hope this helps you :)
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Answer: C. To protect one’s identity.
Explanation: A screen name is used to protect one’s identity.