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Flura [38]
3 years ago
12

Two men, Joel and Jerry, push against a car that has stalled, trying unsuccessfully to get it moving. Jerry stops after 10 min,

while Joel is able to push for 5.0 min longer. Compare the work they do on the car.
A) Joel does 75% more work than Jerry.
B) Joel does 50% more work than Jerry.
C) Jerry does 50% more work than Joel.
D) Joel does 25% more work than Jerry.
E) Neither of them does any work.

Physics
2 answers:
Dmitrij [34]3 years ago
6 0

Answer:

E.

Explanation:

Pani-rosa [81]3 years ago
3 0

Answer:the answer is option E Neither of them does any work

trust me its right ;]

Explanation:

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Paolo says that his bicycle is hard to pedal.Mia looks at the bicycle and tells him he needs to oil the chain.explain why oiling
laila [671]

Answer:

Less friction

Explanation:

Paolo's bike is too difficult to pedal because there is too much friction in the mechanisms of the bike. To reduce friction, Paolo must oil the chain. This will make the bike run much more smoothly and allow for easier pedalling.

6 0
2 years ago
Which type of energy increases when an object’s atoms move faster? A.nuclear B.mechanical C.chemical D.thermal
erica [24]
When an object's atoms move faster, its thermal energy increases and the object becomes warmer.
4 0
3 years ago
Read 2 more answers
In the middle of a thunderstorm, a lightning bolt flashes. It takes Roberto 5 seconds to
Gemiola [76]

Answer:

 v = 344.1 m / s    

 d = 1720.5 m

Explanation:

For this problem we must calculate the speed of sound in air at 22ºC

           v = 331 RA (1+ T / 273)

we calculate

           v = 331 RA (1 + 22/273)

           v = 344.1 m / s

the speed of the wave is constant,

           v = d / t

           d = v t

we calculate

           d = 344.1   5

           d = 1720.5 m

5 0
2 years ago
Which of these statements about the sun's energy is true? (5 points)
s344n2d4d5 [400]
It is transferred evenly to water through air
7 0
3 years ago
An object travels a distance of 56 meters to the right in 7 seconds. What is the object's velocity?
Yakvenalex [24]

Explanation:

Distance travelled (d) = 56 metres

Time taken (t) = 7 seconds

velocity of the object (V)

= d / t

= 56 / 7

= 8 m/s

The velocity of the object is 8 m/s.

Hope it will help :)

8 0
3 years ago
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