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77julia77 [94]
3 years ago
7

Would anyone pls help me on these questions Thanks

Physics
2 answers:
Karolina [17]3 years ago
5 0
Number 1 is 0, number 2 is moving, number 3 is Joules, number 4 is a thermometer, number 5 is gas, number 6 is more, number 7 is specific heat. Hope this was helpful
Alenkinab [10]3 years ago
3 0
1. 0°C
2. Motion
3. Joules
4. Thermometer
5. Gas
6. Less
7. Temperature
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How is an objects acceleration affected by its mass and the forces acting on it
Ksenya-84 [330]
If the force of an object is going against the way the object is going it will move slower. The mass makes the object move slower as well.
3 0
3 years ago
Simple pendulum, is show in several states In case A the mass is travelling back down to the bottom and is in between the bottom
uysha [10]

The angular acceleration is maximum in case C

Explanation:

The motion of the bob in the simple pendulum is a portion of a circular motion. In a circular motion, the angular acceleration is related to the tangential acceleration by

a=\alpha r

where

a is the tangential acceleration

\alpha is the angular acceleration

r is the radius (the length of the pendulum)

Moreover for a pendulum, the tangential acceleration is given by the component of the acceleration of gravity in the tangential direction, so

a=g sin \theta

where

g is the acceleration of gravity

\theta is the angle of the pendulum with the vertical

So we have

\alpha = \frac{g sin \theta}{r}

Since g and r are constant, we see that the angular acceleration is proportional to the angle: the larger the angle, the larger the angular acceleration, and the smaller the angle, the smaller the angular acceleration.

Therefore, the angular acceleration is maximum when the pendulum is at its maximum height, and zero when it is at the lowest position. So, the correct statements are

It is maximum in case C

Learn more about periodic motion:

brainly.com/question/5438962

#LearnwithBrainly

3 0
3 years ago
Which statement describes the difference between renewable and nonrenewable energy sources
castortr0y [4]
Renewable souces are sources that replenish naturally, they can never be depleted. Nonrenewable sources have a limited amount of and cannot be replenished forever...
3 0
3 years ago
What is the difference between total distance covered vs. total displacement of the rube goldberg
nirvana33 [79]

Answer:

The deer traveled 1300m + 500m + 300m, for a total distance. The exact same motion, distance and displacement have significantly different values. It tells you the rate at which an object's displacement, or position, changes.

4 0
3 years ago
Estimate the acceleration due to gravity at the surface of Europa (one of the moons of Jupiter) given that its mass is 4.9×1022k
Taya2010 [7]

Answer:g=1.97 m/s^2

Explanation:

Given

mass of Jupiter is M=4.9\times 10^{22} kg

Density of Jupiter is same as Earth

density\ of\ Earth=density\ of\ Jupiter=5510 kg/m^3

mass=volume\times density

considering Jupiter to be sphere of radius r

M=\frac{4}{3}\times \pi r^3\times \rho

r^3=\frac{3M}{\rho \times 4\pi}

r^3=\frac{3\times 4.9\times 10^{22}}{5510\times 4\pi}

r=(\frac{3\times 4.9\times 10^{22}}{5510\times 4\pi})^{\frac{1}{3}}

r=1.28\times 10^6 m

acceleration due to gravity is given by

g=\frac{GM}{r^2}

g=\frac{6.67\times 10^{-11}\times 4.9\times 10^{22}}{(1.28\times 10^6)^2}

g=1.97 m/s^2

3 0
3 years ago
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