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mash [69]
3 years ago
13

When a firecracker explodes, what types of energy does it give off?

Physics
1 answer:
fomenos3 years ago
7 0
The answer is c. 
Sound, light and heat energy.

Hope this helped :)
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The temperature inside a vehicle can rise ____ degrees higher than the outside temperature.
Elis [28]

Answer:

Generally, 40 to 50 degrees

Explanation:

About the heat-up over time, whether the windows of a vehicle are locked or partially open makes very little difference. In both situations, in an internal temperature of a vehicle, even at an outside temperature of only 72 ° F, it may exceed approximately 40 ° F within one hour. This happens mainly due to the greenhouse effect that is the heat inside the car is trapped and not allowed to escape. Thus, raising the temperature of the vehicle.

3 0
3 years ago
4. A hiker leaves camp and using a compass walks 4 km East, 6 km South, 3 km East, 5 km North, 10 km West, 8 km North and 3 km S
PSYCHO15rus [73]

Answer:

Because the hiker walked directly west and then directly north the two legs of the hike forms a right triangle. Therefore we can use the Pythagorean Theorem to solve this problem.

 

c=5

The hiker is 5km from camp and should head in a generally south-east direction

7 0
3 years ago
Which of these statements accurately describes polymers?
alina1380 [7]

Answer:polymer are made of long chains of molecules

Explanation:

3 0
2 years ago
A ball is dropped from a height of 180m- Calculate the velocity of the ball when it strikes the ground
gayaneshka [121]

Answer:

6s , 60mls

Explanation:

hope this helps love

6 0
3 years ago
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What is the resistance of a circuit with a voltage of 10 volts (V) and a current of 5 amps (A)? Use Ohm’s law to calculate the r
iogann1982 [59]

Answer: 2Ω

Explanation:

V = IR

R = V/I

R = 10/5 = 2Ω

Hope it helped!

5 0
2 years ago
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