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Oliga [24]
4 years ago
5

Two spaceships are each traveling in a straight line at 0.95c. The first ship is moving directly toward the Sun. The second ship

is moving directly away from the Sun. Observers on each ship measure the velocity of light coming from the Sun. What do they measure to be the velocity of the light coming from the Sun
Physics
1 answer:
Artist 52 [7]4 years ago
3 0

Answer:

Both ships measure a velocity close to C

Explanation:

Observers from the spaceship will observe that both ship have the same velocity but are moving towards opposite directions to one another.

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To sterilize a 48.0-g glass baby bottle, we must raise its temperature from 16.0°C to 94.0°C. How much heat transfer is required
FinnZ [79.3K]

Answer:

3144.96 J

Explanation:

Heat transfer is,

q=mc\Delta t

As we know that the specific heat of the glass is,

c=0.840J/g^{\circ}C

Given that the mass of bottle is 48 g.

And the initial temperature is 16°C and the final temperature is 94°C.

Therefore,

q=48\times 0.840(94^{\circ}-16^{\circ})\\q=48\times 0.840\times 78^{\circ}\\q=3144.96 J

7 0
4 years ago
The price elasticity of demand for tickets to local baseball games is estimated to be equal to 0.89. In order to boost ticket re
katen-ka-za [31]

Answer:

a. increasing the price of game tickets because demand is inelastic.

Explanation:

The price elasticity of demand is used in economics to show the elasticity of the quantity demand.Elasticity measure the change in the variable when another variable changes.Generally price elasticities are negative but we avoid the sign.Those good does not follows law of demand have positive sign.

So the answer of the given question is a.

a. increasing the price of game tickets because demand is inelastic.

5 0
3 years ago
As light shines from air to another medium, i = 30.0o, the light bends toward the normal and refracts at 22.0o. What is the inde
iVinArrow [24]
The answer is n = 1.3347
7 0
4 years ago
Read 2 more answers
A measure of the quantity of matter is<br> a. density.<br> c. force.<br> b. weight.<br> d. mass.
ohaa [14]
A measure of the quantity of matter is called mass. D.

This is how much of matter is contained in an object. It is different from weight, which is the pull of gravity on an object.  
6 0
4 years ago
Which two of the following reduce the background noise in magneto- medicine?
horrorfan [7]

Answer:

The answer is b.) and d.)

Explanation:

The options to reduce the background noise in magneto-medicine are given as follows:

a.) Orienting the heart parallel to the Earth's field

   - This will have no significant effect on the measurements.

b.) Taking the difference of two nearby sensor measurements (gradiometer).

    -This answer is TRUE.

c.) Placing the heart in a perpendicular fashion to the Earth's magnetic field.

   _ This answer also will not have any significant effect on measurements.

d.) Using physical means to shield environmental fields.

   - This answer is TRUE.

4 0
3 years ago
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