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JulijaS [17]
4 years ago
9

Which of these statements is not necessarily true for two objects in thermal equilibrium?

Physics
2 answers:
kvv77 [185]4 years ago
7 0

Answer:

A

Explanation:

I took the test

Ad libitum [116K]4 years ago
4 0

Answer: The objects' temperatures are not changing

Explanation: the whole thing about a thermal equilibrium is that both objects temps are changing to be an equal temperature.

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A person on a sled coasts down a hill and then goes over a slight rise with speed 2.7 m/s. The top of the rise can be modeled as
Paladinen [302]
Since we're dealing with radial acceleration around a circle, I used the radial acceleration equation a=v²/r. At the top of the hill, the force upward exerted by the hill is less than the weight of the sled.  if v is large enough the term (g-v²/r) will become 0 and the sled will fly off the ground as it reaches the peak.  Let me know if I can clarify any of my work.

8 0
3 years ago
A storm 10.0 km in diameter has wind speeds of 10.0 m/s. What is its angular velocity in radians per second
Aloiza [94]

Answer:

The value is w= 2*10^{-3} \  rad/s

Explanation:

From the question we are told that

  The diameter of the storm is  d =  10.0 \  km  =  10 000 \  m

   The wind speed is  v  =  10.0 \  m/s

   

Generally the radius is mathematically represented as

       r =  \frac{d}{2}

=>  r =  \frac{10000}{2}

=>    r =  5000 \ m

Generally the angular velocity is mathematically represented as  

        w= \frac{v}{r}

=>     w= \frac{10}{5000}

=>     w= 2*10^{-3} \  rad/s

3 0
3 years ago
The turning radius of a car is 36ft. What will be the distance in meters?
ioda

(36 feet) x (1 meter / 3.28084 feet)  =  10.973 meters  (rounded)
7 0
4 years ago
Which of the following is an accurate statement?
weeeeeb [17]

An object's momentum will change if there is a non-zero net external force acting on it. This assertion is true.

<h3></h3><h3>What is momentum?</h3>

The momentum is defined as the product of mass and the velocity of the body. It is denoted by the letter P. It occurs due to the applied force. Its unit is Kg m/s².

p=mΔV

If there is a change in the velocity there must be a force acting on the object.

If an object is acted on by a non-zero net external force, its momentum will not remain constant. is an accurate statement.

<h3></h3>

Hence, option B is correct.

To learn more about the momentum refer to the link;

brainly.com/question/4956182

#SPJ1

7 0
2 years ago
A bike accelerates uniformly from rest to a speed of 7.10 m/s over a distance of 35.4 meters. Determine the acceleration of the
Katyanochek1 [597]
V^2 = 2ax
(7.10 m/s)^2 = 2a(35.4 m)
a = (7.10 m/s)^2 / (2•35.4 m)
= 0.712 m/s^2
3 0
3 years ago
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