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____ [38]
3 years ago
14

Unlike the outer planets all the inner planets have rings

Physics
1 answer:
AfilCa [17]3 years ago
6 0
True or False. The answer to the question
You might be interested in
A car accelerates from rest to 90m/s in 3 seconds. What is the acceleration and how far did it travel?
Inessa [10]

Answer:

Explanation:

1.)acceleration= final velocity-initial velocity/time

90m/s-0m/s /3seconds

=30m/s^2

2.) distance= speed*time

90m/s*3seconds

=270m

4 0
3 years ago
The frequency of electromagnetic energy traveling through a medium can change if any of the following change EXCEPT: Select one:
agasfer [191]

Answer:

b. amplitude

Explanation:

An electromagnetic waveconsists of electrical oscillations and magnetic fields. The frequency of the wave is directly proportional to its energy and its speed and inversely proportional to its wavelength. Therefore, with the only magnitude with which it has no relation is with its amplitude.

3 0
3 years ago
A stone is dropped into water from a bridge 52 m above the water's
dusya [7]

Answer:

Its final velocity and how much time it takes to reach the water

Explanation:

The motion of the stone is a uniformly accelerated motion, so we can use the following suvat equation to determine its final velocity:

v^2-u^2=2as

where

v is the final velocity

u = 0 is the initial velocity

a=g=9.8 m/s^2 is the acceleration of gravity

s = 52 m is the distance covered during the fall

Solving for v,

v=\sqrt{u^2+2as}=\sqrt{0^2+2(9.8)(52)}=31.9 m/s

We can also find how much time it takes to reach the water, using the equation

v=u+at

where

v = 31.9 m/s is the final velocity

u = 0 is the initial velocity

a=g=9.8 m/s^2

t is the time

And solving for t,

t=\frac{v-u}{a}=\frac{31.9-0}{9.8}=3.26 s

3 0
3 years ago
Steel has a density of 7.8 g/cm3. what is the mass of a block of steel with a volume of 600.0 cm3?
AlladinOne [14]
The answer to this is 4,680
6 0
3 years ago
Which of the following is sometimes called electrical potential?
lesya [120]
C. Voltage.

Voltage is sometimes called electrical potential.
3 0
3 years ago
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