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REY [17]
3 years ago
9

CAN SOMEONE HELP ME​

Physics
1 answer:
Mashcka [7]3 years ago
7 0

Explanation:

1) CHEMICAL energy from gas, oil, or coal provides

2) HEAT energy to water to produce steam. A turbine changes the energy of the steam into the

3) MECHANICAL energy of the rotating turbine and generator. The generator converts the energy into

4) ELECTRIC energy. The lamp is an energy converter changing,

5) ELECTRIC energy to

6) LIGHT energy and

7) HEAT energy

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find the average velocity of a bicycle that starts 100km south and is 120km south of town after 0.4 hours​
dusya [7]

Answer:

The average velocity is 50 km/h south

Explanation:

The average velocity of an object is its total displacement divided by

the total time taken.

That means it is the rate at which an object changes its position from

one place to another.

Average velocity is a vector quantity.

The SI unit is meters per second.

A bicycle that starts 100 km south and is 120 km south of town after

0.4 hour​.

The displacement = 120 - 100 = 20 km south

The time = 0.4 hour

The average velocity = \frac{D}{T}, where D is the displacement

and t is the time

The average velocity of the bicycle = \frac{20}{0.4}=50 km/h

<em>The average velocity is 50 km/h south</em>

If you want it in meter per second, change the kilometer to meter

and change the hour to seconds

1 km = 1000 m

1 hour = 60 × 60 = 3600 seconds

The average velocity of the bicycle = \frac{50(1000)}{3600}=13.89 m/s south

5 0
3 years ago
A _____ is NOT a compound machine.
UNO [17]

A bolt, all these besides bolt are a combo of simple machines

6 0
3 years ago
Read 2 more answers
A car is traveling on the highway at 28 m/s The driver sees a tree in the middle of the road and slams on the brakes. The car co
wel

Answer:what are the answer options?

Explanation

3 0
3 years ago
Which letter represents the position of maximum potential energy of the pendulum
worty [1.4K]
If you mean the SI Unit of GPE, the answer is J for Joules.
if that's not the question being asked, i would need a little more elaboration please :)
4 0
3 years ago
a trolley of mass 20kg was originally at rest on a smoth horizontal surface. bu how much will it accelerate if a pulling force o
DochEvi [55]

Answer:

just divide 22 N by 20 kg to get the acceleration in m/s2

Explanation:

I hope this is right-

6 0
3 years ago
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