PHYSICS HIGH SCHOOL

Acceleration is defined as the rate of change for which of the following? A. time
B. velocity
C. position
D. displacement

Answers

Answer 1
Answer: I think the correct answer from the choices listed above is option B. Acceleration is defined as the rate of change for velocity. It is the change in speed or velocity per unit of time. It is the net result of all the forces acting on an object.
Answer 2
Answer: B. velocity .................

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COLLEGE

If a meter stick moves to your right at a constant velocity of 0.8 c, what would you measure its length to be

Answers

To solve this problem , we will use the length contraction equation as follows:
L = L0((1 - v^2/c^2))^0.5
where:
L is the desired length
L0 is the length measured at initial frame = 1 m
v is the velocity
c is the speed of light

Substituting by these givens in the above equation, we can calculate L as follows:
L = 1((1 - (0.8 c)^2/c2))^0.5 = 0.6 meters

Its length in this scenario will be equal to 0.6meters.

What is Length contraction?

This is referred to a phenomenon where a moving object's length is measured to be shorter than its actual length and the formula is seen below:

L = L0((1 - v^2/c^2))^0.5

where:

L is the desired length

L0 is the length measured at initial frame = 1 m

v is the velocity

c is the speed of light

Substitute the values into the equation.

L = 1((1 - (0.8 c)^2/c2))^0.5 = 0.6 meters.

Read more about Length contraction here brainly.com/question/16232889

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HIGH SCHOOL

Why we are not allowed to connect ideal voltage sources in parallel

Answers

.when 2 elements are connected in a parallel connection the voltage across them must be same

when 2 voltage sources are connected they must have same potential difference across them which is not possible unless they are of same value and in the other case(different value sources) it is same as the greater valued voltage source since it overtakes the other one

Which means that there is no use in connecting both of them in parallel

hope this helps
COLLEGE

If Earth were twice as massive but it revolved at the same distance from the Sun, its orbital period would be A) 1 year.
B) 3 years.
C) 2 years.
D) 4 years.
E) 6 months.

Answers

The Earth will continue to orbit at the same rate even if its mass increases but its distance from the sun stays the same, or 1 year. Hence, option A is correct.

What are planets?

A huge, spherical celestial object that is not a star nor a remnant is called a planet. The emission nebula hypothesis, which holds that a cosmic cloud collapses out of a supernova to produce a young primitive orbited by a planetary system, is the best theory currently available for explaining planet formation. The slow accumulation of matter propelled by gravity—a process known as accretion—leads to the formation of planets in this disk.

The planetary systems Mercury, Venus, Earth, and Mars, as well as the giant planets Jupiter, Saturn, Uranus, and Neptune, make up the Solar System's minimum number of eight planets. Each of these planets revolves around an axis that is inclined with regard to its orbit pole.

Hence, option A is correct.

To know more about Planets :

brainly.com/question/14581221

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A) 1 Year, if the Earth is larger in mass, but still the same distance from the sun, it will orbit at the same rate.

HIGH SCHOOL

What does this chemical reaction describe? water > hydrogen > oxygen

A.) respiration
B.) decomposition of water
C.) combustion of hydrogen fuel
D.) chemical reaction in a battery

Answers

the answer would be C combustion of hydrogen fuel


Answer:

c

Explanation:

its c

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