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Sophie [7]
3 years ago
6

Which is a correct example of the principle of conservation of momentum? A) reversing of a car at a dead end B) conversion of ra

dio waves to sound C) deforming of a balloon on being burst D) bouncing of a basketball off the board
Physics
2 answers:
Hunter-Best [27]3 years ago
3 0
I think the answer would be D.
Mars2501 [29]3 years ago
3 0
<span>Which is a correct example of the principle of conservation of momentum?

</span>
<span>D) bouncing of a basketball off the board </span>
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Which groups on the periodic table contain metalloids?
N76 [4]
Metalloids are in Group 13 to 16
6 0
3 years ago
Read 2 more answers
If the sun had twice the mace how would that affect the gravitational force of the sun
daser333 [38]

Answer:  Gravity is the force that keeps planets in orbit around the Sun. Gravity alone holds us to Earth's surface.

Planets have measurable properties, such as size, mass, density, and composition. A planet's size and mass determines its gravitational pull.

A planet's mass and size determines how strong its gravitational pull is.

Models can help us experiment with the motions of objects in space, which are determined by the gravitational pull between them.

Explanation:

5 0
3 years ago
A truck travels up a hill with a 5.7° incline. The truck has a constant speed of 22 m/s. What is the horizontal component of the
tester [92]

Answer:

The horizontal component of the velocity is 21.9 m/s.

Explanation:

Please see the attached figure for a better understanding of the problem.

Notice that the vector v and its x and y-components (vx and vy) form a right triangle. Then, we can use trigonometry to find the magnitude of vx, the horizontal component of the velocity.

To find vx, let´s use the following trigonometric rule of right triangles:

cos α = adjacent / hypotenuse

cos 5.7° = vx / 22 m/s

22 m/s · cos 5.7° = vx

vx = 21.9 m/s

The horizontal component of the velocity is 21.9 m/s.

8 0
3 years ago
The force of gravity is less between two objects that
Aloiza [94]

The force of gravity is less between to objects when the product
of their masses is smaller, or when they are farther apart.


6 0
3 years ago
1) Roland has built a circuit, and is using a device called an ammeter to measure how quickly electrical current is flowing thro
zaharov [31]

Answer:

1)  3.9 %

2) 1,38 kg

3) 0.13 cubic meters

Explanation:

Part 1)

Calculated current = 0.180 amps

Measured current: 0.173 amps

percent error :   \frac{0.180 - 0.173}{0.180} \,100=3.9 %

Part 2)

mass1 = 1,155 kg

mass2 = 0.22  kg

Addition; 1.155 + 0.22 = 1 375 kg  which should be rounded to just two decimals according to the addition rules for uncertainties:

Answer : 1,38 kg

Part 3)

Volume = 0.885 x 0.20 x 0.75 cubic meters = 0.13275 cubic meters

Notice that the smallest number of significant figures among the set of dimension given is two. Therefore, our answer should be rounded to two significant figures. That is:

Volume = 0.13 cubic meters

6 0
3 years ago
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