3 years ago

The main difference between heat and temperature is that temperature is solely dependent on the?

Physics

1 answer:

WITCHER [35]3 years ago

3 0

Velocity of molecules within a body

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Which of the following statements about radiation is true?

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I'm not sure but I think it is A.

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3 years ago

a student pushes on a crate with a force of 100 N directed to the right. what force does the crate exert on a student

soldi70 [24.7K]

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2 years ago

Let w(x)=3x-7.If w(x)=14, find x

dlinn [17]

Answer:

Explanation:

We are given:

w(x) = 3x - 7

w(x) = 14

The problem here entails us to solve for x;

To solve for x; equate the two expressions:

3x - 7 = 14

3x = 14 + 7

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x = 7

So the value of x = 7

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3 years ago

A car is traveling at a speed of 45 km/h into town. It takes the car 2 hours to get there. How far has the car traveled?

hjlf

Answer:

90 km

Explanation:

45 km per hr

2 hrs

45 x 2 = 90

90 km/2 hrs

Hope this helps!

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3 years ago

Read 2 more answers

An object is projected from the ground with an upward speed of ų m/s has a speed of 23m/s when it is at a height of 5m above the

vovikov84 [41]

Answer:

25.08m/s

Explanation:

mgh1 + 0.5mv1² = mgh2 + 0.5mv2²

h1 = 0m

v1 = u

h2 = 5m

v2 = 23m/s

putting the values into the formula above;

m(10)(0) + 0.5m(u²) = m(10)(5) + 0.5m(23²)

0 + 0.5mu² = 50m + 264.5m

0.5mu² = 314.5m

dividing through by m

0.5u² = 314.5

u² = 629

u = 25.08m/s

Therefore, the initial speed "u" = 25m/s

6 0

2 years ago