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Lemur [1.5K]
4 years ago
13

Why is the H-R diagram useful in plotting the life cycles of stars?

Physics
1 answer:
Roman55 [17]4 years ago
4 0
The sun provides a handy benchmark for describing other stars. The mass of this solar system's sun gives us a unit for measuring other stars' masses.
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magnitude of velocity does not change but the direction changes. Can we say that it is an accelerated motion?
Olenka [21]

Answer:

MRCORRECT has answered the question

Explanation:

Since velocity is a vector, it can change either in magnitude or in direction. Acceleration is therefore a change in either speed ordirection, or both. Keep in mind that althoughacceleration is in the direction of the changein velocity, it is not always in the direction ofmotion.

4 0
3 years ago
Two students measure the time constant of an RC circuit. The first student charges the capacitor using a 12 V battery, then lets
luda_lava [24]

Answer:

The answer is: c.) Both students get the same time constant, since the time constant does not depend on the charge on the capacitor

Explanation:

Both students, because the time constant is not dependent on the capacitor charge.  We can express the equation of the time constant as follows:

Time constant = RC

In this equation it is observed that the time constant is equal to the multiplication of the resistance (R) multiplied by the capacitance (C)

8 0
3 years ago
V is the velocity of a particle moving along the x axis as shown. If x = 2.0 m at
ss7ja [257]
Ok so v is the velocity. Assuming it is constant, v = 2m/s

At 6 seconds x= 12.0m
4 0
3 years ago
Which of these is part of the middle ear? A. External auditory meatus B. Tympanic membrane C. organ of corti D. The ossicles
Alenkasestr [34]
D. The ossicles.......
3 0
3 years ago
Read 2 more answers
A force of 5 N accelerates an object. The object’s mass is 50 g. What is the acceleration of the object? (Formula: F=ma)
goldfiish [28.3K]

Answer:

100 m/s²

Explanation:

First, convert to SI units:

50 g = 0.050 kg

Now plug into the formula:

F = ma

5 N = (0.050 kg) a

a = 100 m/s²

4 0
4 years ago
Read 2 more answers
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