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german
3 years ago
10

Scientists use the Celsius scale as the metric unit of temperature. t/f

Physics
1 answer:
adell [148]3 years ago
4 0
True. But they also use the Kelvin scale.
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A 60 kg person runs up a 30° ramp with a constant acceleration. She starts from rest at the bottom of the ramp and covers a dist
Sladkaya [172]

We have that the instantaneous power is

P=1239.6W

From the question we are told that

A 60 kg person runs up a 30° ramp

distance of 15 m up the ramp in 5.8 s.

t = 4.0 s?

Generally the equation for the Force  is mathematically given as

F-mgsin\theta=ma\\\\F-60*9.8*sin30=60*a

Where

s=ut+1/2at^2\\\\15=+0.5*a*5.8^2\\\\\a=0.891\\\\

Therefore

F=60(0.891)+294\\\\F=347.5

Where

v=u+at\\\\v=3.567

Now

P=f*v\\\\P=347.50*3.567

P=1239.6W

For more information on this visit

brainly.com/question/21231013?referrer=searchResults

7 0
3 years ago
After a large snowstorm, you shovel 2,500 kilograms of snow off of your sidewalk in half an hour. You lift
Delvig [45]
Well, the snow has a total weight G=mg=25,000 N. The work is L=Fd=Gh=1.5*25,000=37,500 J. The power is L/t, where t=1800 seconds. P=37,500/1800=20.833 W.
3 0
3 years ago
At a time when mining asteroids has become feasible, astronauts have connected a line between their 3740-kg space tug and a 5690
Gwar [14]

Answer:

61.4 s

Explanation:

The distance d₁ traveled by the asteroid:

d_1=\frac{1}{2}a_1t^2

The distance d₂ traveled by the space ship:

d_2=\frac{1}{2}a_2t^2

The total distance d:

d=d_1+d_2=\frac{1}{2}(a_1+a_2)t^2

Solving for time t:

t=\sqrt{\frac{2d}{a_1+a_2}}=\sqrt{\frac{2d}{F(\frac{1}{m_1}+\frac{1}{m_2})}}=\sqrt{\frac{2dm_1m_2}{F(m_1+m_2)}}

3 0
3 years ago
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What is the magnitude of the centripetal
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Answer:

7.5

Explanation:

4 0
3 years ago
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Inessa05 [86]

Answer:

false im just trying to get it if you'd like to give it to me

8 0
3 years ago
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