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gayaneshka [121]
3 years ago
5

Which is not part of John Dalton’s atomic theory?

Physics
2 answers:
avanturin [10]3 years ago
8 0

Answer:

The correct answer is D. Atoms are made up of smaller particles.

Explanation:

Nataliya [291]3 years ago
6 0

The answer is C because they are made up of different sizes and mass.


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A merry-go-round rotates at the rate of 0.17 rev/s with an 79 kg man standing at a point 1.6 m from the axis of rotation.
dezoksy [38]

Hi there!

We can use the conservation of angular momentum to solve.

L_i = L_f\\\\I\omega_i = I\omega_f

I = moment of inertia (kgm²)

ω = angular velocity (rad/sec)

Recall the following equations for the moment of inertia.

\text{Solid cylinder:} I = \frac{1}{2}MR^2\\\\\text{Object around center:} = MR^2

Begin by converting rev/sec to rad sec:


\frac{0.17rev}{s} * \frac{2\pi rad}{1 rev} = 1.068 \frac{rad}{s}

According to the above and the given information, we can write an equation and solve for ωf.

1.068(\frac{1}{2}(34)(1.6)^2 + (79)(1.6)^2) = \omega_f(\frac{1}{2}(34)(1.6^2) + 79(0^2))\\\\\omega_f = \boxed{6.03 \frac{rad}{sec}}

4 0
3 years ago
Question is in the picture :,)
xenn [34]

Answer:

C

Explanation:

When the dwarf planet in the Kuiper belt was discovered, scientists demoted pluto to "dwarf planet" because it was very similar to the other dwarf

5 0
3 years ago
a car has a velocity of 10ms-1. it accelerates at 0.2 ms-2 for half minute find the total distance travelled and final velocity
Readme [11.4K]

Answer:

Final velocity = 16 m/s

Total distane travelled = 390 m

Explanation:

We can use equation of motion to solve this:

v = u + at \\ v = 10 + 0.2(30) \\ v = 16 {ms}^{ - 1}

s = ut +  \frac{1}{2} a {t}^{2}  \\ s = 10(30) +  \frac{1}{2} (0.2) {(30)}^{2}  \\ s = 390m

5 0
3 years ago
#2 Distance (d) = _______37.5cm____________
bixtya [17]

Answer:

Im not sure how to explain it but i need points im sorry

Explanation:

8 0
3 years ago
. Energy can neither be created nor be destroyed, but it can be changed from one form to another", this law is known as kinetic
Fynjy0 [20]

Answer:

The law of conservation of energy

3 0
3 years ago
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