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ikadub [295]
4 years ago
13

Therefore an answer in U.S. customary units, such as miles per hour would not be accepted as correct. A car traveling with const

ant speed travels 150 kmkm in 7200 ss. What is the speed of the car
Physics
2 answers:
allochka39001 [22]4 years ago
6 0

Answer:

The speed of the car is 20.84 m/s.

Explanation:

Given that,

The distance covered by the car, d = 150 km

Time, t = 7200 s

We need to find the speed of the car. We know that the speed of an object is given by total distance divided by total time taken. Mathematically,

v=\dfrac{d}{t}\\\\v=\dfrac{150\times 10^3\ m}{7200\ s}\\\\v=20.84\ m/s

So, the speed of the car is 20.84 m/s.

pychu [463]4 years ago
3 0

Answer:

calculate it. its not cheating, its like flash cards but better, besides its made for that reason.;)

Explanation:

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If you walk across a nylon rug and then touch a large metal object such as a doorknob you may get a spark and a shock. Why does
k0ka [10]

Answer:

Explanation:

  • You are more likely to be shocked during dry days than humid days because during humid days more water is in the air, and water being a good conductor helps the air absorb some of those charges from you, while during dry days there is less water in the air and hence the charges build up since they are not absorbed.
  • You are less likely to be shocked when you touch a small metal object because smaller metal objects like a paper clip have less space to accept net charge.
0 0
3 years ago
A shovel pushes on dirt and the dirt pushes back on the shovel. The dirt pushing back is
Leno4ka [110]
The dirt pushing back is the 'resistance' force. It RESISTS your attempts to shovel it.
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3 years ago
What is the gravitational force acting on a 556 kg object standing on the Earth's surface?
Vitek1552 [10]

Answer:

gravity

Explanation:

5 0
2 years ago
On being introduced to the laws of thermodynamics, a student retorted, “When the brakes of a moving car are applied, the kinetic
inn [45]

Answer:

No, not at all. This kinetic energy of car is converted/lost in the form of sound and heat under the tyre when driver apply brakes.

Explanation:

This law states that energy can neither be created nor destroyed but it changes from one form to the other.

In this case reduction of kinetic energy of car does not contradict the law but it changes into heat and sound energy. When driver apply brakes we hear the sound of Tyre due to friction with the road. The tyre become hot too.

So it is not in contradiction to the law of conservation of energy (First Law of Thermodynamics).

Please mark branliest if you are satisfied with the answer. Thanking you in anticipation.

5 0
3 years ago
What are some common measurements that are given as a rate?
BabaBlast [244]

Answer:

taco bell

Explanation:

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4 years ago
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