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Dmitry [639]
3 years ago
8

How is energy transformed in a car? A car has gasoline or ________ energy (which is a form of potential energy). When the fuel i

s burned it converts its potential energy to ______energy and the car moves. As the engine warms up, some of the energy is also converted into ________energy.
thermal
mechanical
chemical
Physics
2 answers:
Mrac [35]3 years ago
8 0
CHEMICAL

THERMAL

MECHANICAL

i think...
Jet001 [13]3 years ago
5 0
Fill your blank as:

1) Chemical 

2) Mechanical 

3) Thermal

Hope this helps!
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A 0.0450-kg golf ball initially at rest is given a speed of 25.0 m/s when a club strikes. If the club and ball are in contact fo
LuckyWell [14K]

Answer:

Average force, F = 562.5 N

Explanation:

Mass of the golf ball, m = 0.045 kg

Initially, it is at rest, u = 0

Final speed of the ball, v = 25 m/s

The club and the ball are in contact for, t=2\ ms=2\times 10^{-3}\ s

We need to find the average force acting on the ball. It can be calculated using the formula as :

F\times t=m(v-u)

F=m\dfrac{v-u}{t}

F=0.045\times \dfrac{25}{2\times 10^{-3}}  

F = 562.5 N

So, the average force acting on the ball is 562.5 N. Hence, this is the required solution.

5 0
3 years ago
What is the percentage of the incoming solar radiation from the top of the atmosphere the gets reflected right back out into spa
san4es73 [151]

Answer: We can define the solar constant as a measure of the luminous flux density.

Explanation:

The solar constant or solar constant is the amount of energy radiated at the upper limit of the Earth's atmosphere per unit time perpendicular to the unit surface, at the Earth's mean distance from the sun. Amounts to 1367.7 W / m² ± 6 W / m². The sun's constant includes all kinds of electromagnetic radiation, not just visible light. The average value is 1,368 kW / m2 and changes slightly with solar cycles. The amount of these constant changes over one year and has different benefits.

4 0
3 years ago
This chart shows characteristics of three different waves all with the same wavelength of 10 m but moving at different frequenci
kap26 [50]

Answer:

the answer is B

Explanation:

wave x has the highest hertz making it the answer

6 0
3 years ago
. Consider a fully extended arm that is rotating about the shoulder such that with a shoulder-to-hand length of 30 cm. If the ar
Rainbow [258]

Answer:

13.309 m/s²

Explanation:

Length from shoulder to hand, l = 30 cm = 0.3 m

initial velocity, u = 1 m/s

final velocity, v = 2.5 m/s

time, t = 3 s

Let the tangential acceleration is a.

by using first equation of motion

v = u + at

2.5 = 1 + 3 a

a = 0.5 m/s²

Let the centripetal acceleration is a'.

a' = v'²/l

a' = 2 x 2 / 0.3

a' = 13.3 m/s²

The tangential acceleration and the centripetal acceleration are both perpendicular to each other. So, the net acceleration is given by

A=\sqrt{a^{2}+a'^{2}}

A=\sqrt{0.5^{2}+13.3^{2}}

A = 13.309 m/s²

3 0
3 years ago
What is a description of compounds?
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Compounds are elements that are chemically combined, like water for example (it’s both hydrogen and oxygen.)
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