3 years ago

The name used to describe the range of EM waves

Physics

1 answer:

Nimfa-mama [501]3 years ago

8 0

Answer: the electromagnetic spectrum

Explanation:

I’m not sure but I think this is it!

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In order to place a satellite into orbit, it requires enough fuel to supply the necessary mechanical energy. Into what types of

nexus9112 [7]

When a satellite is revolving into the orbit around a planet then we can say

net centripetal force on the satellite is due to gravitational attraction force of the planet, so we will have

$F_g = F_c$

$\frac{GM_pM_s}{r^2} = \frac{M_s v^2}{r}$

now we can say that kinetic energy of satellite is given as

$KE = \frac{1}{2}M_s v^2$

$KE = \frac{GM_sM_p}{2r}$

also we know that since satellite is in gravitational field of the planet so here it must have some gravitational potential energy in it

so we will have

$U = -\frac{GM_sM_p}{r}$

so we can say that energy from the fuel is converted into kinetic energy and gravitational potential energy of the satellite

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3 years ago

It took 500 newtons of force to push a car 4 meters. How much work was done?

Ede4ka [16]

Work = Force x Distance = 500 x 4 = 2000 Nm = 2000 J

3 0

2 years ago

Light travels at a speed of 2.998*108 m/s. Light takes approximately 3.25 minutes to travel from the Sun to reach a planet. Calc

ANTONII [103]

Answer:

585×10⁸ m

Explanation:

Distance = rate × time

d = (2.998×10⁸ m/s) (3.25 min) (60 s/min)

d = 585×10⁸ m

5 0

2 years ago

What causes an air conditioned to turn on

Flura [38]

Answer:

The amount of heat or moisture in the air

Explanation:

Or a switch

7 0

3 years ago

When a piece of aluminium foil is taken out of the oven and cools from 1000C to 500C. What is the change in temperature?

zmey [24]

Answer:

Conduction

Explanation:

When one object touches another heat moves through it (think of a saucepan on a hot stove). Aluminium foil is a great conductor of heat, which means it is a poor insulator when it is in direct contact with something hot.

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2 years ago