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likoan [24]
3 years ago
6

How did the approximate speed

Physics
1 answer:
Setler [38]3 years ago
7 0

Answer:

i think this may help you

Explanation:

In an inelastic collision the total kinetic energy after the collision is not equal to the total ... If there are no net forces at work (collision takes place on a frictionless surface ... Momentum is equal to the product of mass and velocity. ... bodies before the collision is equal to the total kinetic energy of the bodies after the collision.

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The density of an object is .835 g/cm3. If its volume is 34 cm3, what is the mass of the object?
zaharov [31]

D = m/v


Given:

D: .835 g/cm3

V: 34 cm3

M: ?


M= Dxv


M= .835 g/cm3 x 34 cm3

M= 28.39 g

4 0
3 years ago
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Think about the various energy sources such as the sun, fossil fuels, water, wind, and nuclear power. What is the energy source
lakkis [162]

Answer:

<em>The energy source that powers my home is gotten from burning of fossil fuels.</em>

<em>No! I do not like this energy source.</em>

<em>I personally would prefer solar source of electricity</em>

<em></em>

Explanation:

<em>Fossil fuels are fuels gotten from the decomposition of dead organisms over time, under intense heat and pressure</em>. They are usually found buried beneath the earth's crust where they have been formed and trapped.

Most electricity generating stations generate electricity by burning fossil fuels like natural gas and gasoline to generate electricity. <em>The problem with fossil fuels are the various part that they play in increasing carbon footprints in the atmosphere. The excess carbon in the atmosphere has been a major contributor to the global warming of planet Earth.  </em>

My preference for solar energy source is first due to its abundance unlike the fossil fuels that are already diminishing in storage beneath the earth's crust. Also, <em>solar energy is a clean source of energy that does not leave any damage on earth from its use</em>. It also promises to be a cheap source of power in the future with advances in solar technologies.

8 0
3 years ago
2. Another airplane is flying in the opposite direction. It covers the same
Korolek [52]

Answer:300

Explanation:

6 0
4 years ago
4. A billiard ball rolls from rest down a smooth ramp that is 8.0 m long. The
Arisa [49]

Answer:

Explanation:

The formula S=(at^2)/2 will be used during the entire explanation.

1. 4 = (2t^2)/2

t = 2 s.

V = at = 2 * 2 = 4 m/s

2. 8 = (2t^2)/2

t = 2.8 s

iii. 2s

iv. 2.8 - 2 = 0.8s

Hope you understand)

8 0
3 years ago
The motion of a car on a position time graph is represent with a horizontal line . What does this indicate about the cars motion
siniylev [52]
It indicates that car is at rest at all time (t) :-) Hope it helped you. ✌
5 0
3 years ago
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