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Hitman42 [59]
3 years ago
14

What type of energy is related to mass and the speed of an object?

Physics
1 answer:
mart [117]3 years ago
7 0
An energy that is related to mass and speed would most likely be kinetic energy.
K= 1/2mv^2
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A 25-kg child sits at the top of a 4-meter slide. After sliding down, the child is traveling at 5 m/s. How much PE does he start
Semmy [17]

Daniddmelo says it right there, don't know why he got reported.

The potential energy (PE) is mass x height x gravity. So it would be 25 kg x 4  m x 9.8 = 980 joules. The child starts out with 980 joules of potential energy. The kinetic energy (KE) is (1/2) x mass x velocity squared. KE = (1/2) x 25 kg x 5 m/s2 = 312.5 joules. So he ends with 312.5 joules of kinetic energy. The Energy lost to friction =  PE - KE. 980- 312.5 = 667.5 joules of energy lost to friction.

Please don't just copy and paste, and thank you Dan cause you practically did it I just... elaborated more? I dunno. 

4 0
3 years ago
What effect did the Cold War have on the American space program?
chubhunter [2.5K]
The answer is D.Competition with the Soviet Union spurred American space missions.

<span>♡♡Hope I helped!!! :)♡♡
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3 0
3 years ago
Read 2 more answers
An organism’s scientific name consists of a. its class name and its family name. b. its kingdom name and its phylum name. c. its
mr Goodwill [35]
An organism scientific name consist of : C. its genus name and its species name
The first part of the name is taken from the Genus and the second part of the name is taken from the species
hope this helps

7 0
3 years ago
A hot air balloon of total mass M (including passengers and luggage) is moving with a downward acceleration of magnitude a. As i
frez [133]

Answer:

When balloon moves in the downward direction two forces acts on it.  

    i) Force exerted by air in the upward direction  

    ii) Weight  

According to newton’s second law of motion:  

      Sum of forces = Ma  

                W – F = Ma  

               Mg – F = Ma     …….. (i)  

when some of the mass m is dropped and balloon is moving in upward direction with acceleration a/2 then,  

               F – W = (M-m)a/2

               F – (M-m)g = (M-m)a/2

               F – Mg + mg = Ma/2 – ma/2 ….. (ii)  

Adding equation (i) and (ii)  

              mg = M(3a/2) – ma/2

              m(g + a/2) = M(3a/2)

              m = M(3a/2)/(g + a/2)

5 0
3 years ago
The planet Jupiter moves in an elliptical orbit with the sun at one focus. Given that Jupiter's closest approach to the sun is a
Readme [11.4K]

Answer:

814.62 million kilometers

Explanation:

eccentricity of elliptical orbit =0.048

Let semi major axis of elliptical path be a.

From center of the ellipse focus is at a distance = a*eccentricity

Now, closest approach from focus is = a(1-e)

After plugging values = a(1-0.048)=740.52

                                         a=777.31 million kilometers

Maximum distance from sun (apihalian) =a+a*e =a(1+e)

                                                 = 777.31(1+0.048)

                                                 =814.62 million kilometers

           

4 0
3 years ago
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