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crimeas [40]
3 years ago
12

The steady state theory says that ______ has always existed in more or less the same state

Physics
1 answer:
lys-0071 [83]3 years ago
7 0
The answer is c) the universe
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What is the acceleration of a car that increases its velocity from 0 to 100 kilometers per hour in 10 seconds?
Lunna [17]

Answer:

0.00278 km/sec2 or 36,000 km/hr2 .

Explanation:

5 0
2 years ago
Assume a satellite shines an unpolarized light on a telescope. The intensity of the light as it reaches the telescope is 1.1*10-
n200080 [17]

Answer:

4.125\times 10^{-11}\ W/m^2

Explanation:

I_0 = Intensity of unpolarized light = 1.1\times 10^{-10}\ W/m^2

\theta = Angle of the filter = 30^{\circ}

Intensity of light is given by

I=\dfrac{I_0}{2}cos^2\theta\\\Rightarrow I=\dfrac{1.1\times 10^{-10}}{2}cos^230\\\Rightarrow I=4.125\times 10^{-11}\ W/m^2

The intensity of light detected by the camera is 4.125\times 10^{-11}\ W/m^2

7 0
3 years ago
Multi celled organisms have a ______ surface area to volume ratio than single celled organisms.
True [87]
A. Larger. It is larger Bc they r all larger than the other
6 0
3 years ago
The temperature on the moon is
Nuetrik [128]
B.

It can go from very hot to very cold, it depends on the area of the moon and where the sunlight hits.
4 0
3 years ago
Read 2 more answers
Projectile Motion—A tennis ball is thrown out a window 28 m above the ground at an initial velocity of 15.0 m/s and 20.0° below
NNADVOKAT [17]

Answer:

The distance will be x = 41.7 [m]

Explanation:

We must first find the components in the x & y axes of the initial velocity.

(v_{o})_{x} = 15*cos(20)= 14.09[m/s]\\(v_{o})_{y} = 15*sin(20)= 5.13[m/s]

The acceleration is the gravity acceleration therefore.

g = 9.81 [m/s^2]

Now we can calculate how long it takes to fall.

y=(v_{o})_{y}*t-0.5*g*t^2\\-28 = 5.13*t-0.5*9.81*t^2\\-28=-4.905*t^2+5.13*t\\4.905*t^2-5.13*t=28\\t = 2.96[s]

With this time we can find the horizontal distance that runs the projectile.

x=(v_{o})_{x}*t\\x=14.09*2.96\\x=41.7[m]

5 0
3 years ago
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