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Ierofanga [76]
3 years ago
6

2. Which of the following is accurate when discussing specific neat?

Physics
1 answer:
MrRissso [65]3 years ago
6 0

Answer:

The specific heat of a gas may be measured at constant pressure. - is accurate when discussing specific heat.

Explanation:

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Some machines do not multiply the force that is applied to them
Katyanochek1 [597]

Answer:

Machine Efficiency

Explanation:

Efficiency is the percent of work put into a machine by the user (input work) that becomes work done by the machine (output work). The output work is always less than the input work because some of the input work is used to overcome friction. Therefore, efficiency is always less than 100 percent

5 0
2 years ago
2. An elephant puts a force of 30,000 N on its four feet, which have a
Alja [10]
Pressure = force ( in newtons ) / area ( in m^2 )

pressure put
= 30 000 N / 0.75 m^2
= 40 000 Pa
8 0
3 years ago
What is harmonic oscillation ​
inn [45]

Explanation:

A simple harmonic oscillation is an oscillator that is neither driven nor damped.

3 0
2 years ago
A small glass bead has been charged to 20 nC. What is the magnitude of acceleration in m/s^2 of an electron that is 1.0 cm from
MAVERICK [17]

Answer:

The acceleration is 3.16x10¹⁷ m/s².

Explanation:

First, we need to find the magnitude of the Coulombs force (F):

|F| = \frac{Kq_{1}q_{2}}{d^{2}}

<u>Where</u>:

K is the Coulomb constant = 9x10⁹ Nm²/C²

q₁ is the charge = 20x10⁻⁹ C  

q₂ is the electron's charge = -1.6x10⁻¹⁹ C

d is the distance = 1.0 cm = 1.0x10⁻² m

|F| = \frac{Kq_{1}q_{2}}{d^{2}} = \frac{9\cdot 10^{9}Nm^{2}/C^{2}*20 \cdot 10^{-9} C*(-1.6\cdot 10^{-19} C)}{(0.01 m)^{2}} = 2.88 \cdot 10^{-13} N                                      

Now, we can find the acceleration:

a = \frac{F}{m} = \frac{2.88 \cdot 10^{-13} N}{9.1 \cdot 10^{-31} kg} = 3.16 \cdot 10^{17} m/s^{2}

Therefore, the acceleration is 3.16x10¹⁷ m/s².

I hope it helps you!    

7 0
3 years ago
A disk and a hoop roll down an inclined plane. the plane is inclined at an angle of 11 degrees from the horizontal. what is the
anygoal [31]
Hopefully this will help you.
Do the same for disc. Moment of Inertia of disc about its axis = MR²/2 

6 0
3 years ago
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