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MatroZZZ [7]
2 years ago
12

Why can the atmosphere hold on to heat

Physics
1 answer:
Naddika [18.5K]2 years ago
4 0

Answer:

A. Air

Explanation:

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An object at rest requires a force of 15 newtons to set it into motion. This force is greater than which force?
frozen [14]

Answer:

<h2>It is gravity</h2>

6 0
3 years ago
1.a machine gun fires a ball with an initial velocity of 600m/s with an elevation of 30° with respect to the ground neglecting a
Sedbober [7]

Answer:

See explanation

Explanation:

a) maximum height of a projectile = u sin^2θ/2g

H= 600 × (sin 30)^2/2 × 10

H= 7.5 m

b) Time of flight

t= 2u sinθ/g

t= 2 × 600 sin 30/10

t= 60 seconds

Range

R= u^2sin2θ/g

R= (600)^2 × sin2(30)/10

R= 31.2 m

3 0
2 years ago
What is frequency? <br><br> (P.S. please help)
kvasek [131]

Explanation:

the rate at which something occurs or is repeated over a particular period of time or in a given sample

4 0
3 years ago
Read 2 more answers
A train, traveling at a constant speed of 25.8 m/s, comes to an incline with a constant slope. While going up the incline, the t
zhannawk [14.2K]

The final velocity of the train after 8.3 s on the incline will be 12.022 m/s.

Answer:

Explanation:

So in this problem, the initial speed of the train is at 25.8 m/s before it comes to incline with constant slope. So the acceleration or the rate of change in velocity while moving on the incline is given as 1.66 m/s². So the final velocity need to be found after a time period of 8.3 s. According to the first equation of motion, v = u +at.

So we know the values for parameters u,a and t. Since, the train slows down on the slope, so the acceleration value will have negative sign with the magnitude of acceleration. Then

v = 25.8 + (-1.66×8.3)

v =12.022 m/s.

So the final velocity of the train after 8.3 s on the incline will be 12.022 m/s.

8 0
3 years ago
If two stars in the sky are separated by twice the angle projected by your index and pinky fingers, then how many degrees are th
quester [9]

Answer:

The answer is 30 degrees.

Explanation:

The angle between the index and pinky fingers is 15 degrees.

Twice this angle is 2×15=30degrees.

7 0
3 years ago
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