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yawa3891 [41]
3 years ago
11

If a car is traveling at a velocity of +10m/s suddenly turns around and continues at the same speed, what is its new velocity?

Physics
1 answer:
Lady_Fox [76]3 years ago
6 0

Answer:

-10m/s

Explanation:

only the magnitude of the velocity will change due to the change in direction of the car.

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A truck initially traveling at a speed of 22 m/s increases at a constant rate of 2.4 m/s^2 for 3.2s. What is the total distance
FinnZ [79.3K]

Answer:

82.7 m

Explanation:

u= 22m/s

a= 2.4 m/s^2.

t= 3.2 secs

Therefore the distance travelled can be calculated as follows

S= ut + 1/2at^2

= 22 × 3.2 + 1/2 × 2.4 × 3.2^2

= 70.4 + 1/2×24.58

= 70.4 + 12.29

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Hence the distance travelled by the truck is 82.7 m

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Evaluate u+xy where U=3 X=4 Y=7
Reptile [31]

Answer:

31

Explanation:

Given:

U=3

X=4

Y=7

u + xy

Substitute the given values to the equation:

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3 years ago
If the force of gravity suddenly stopped acting on planets, they would
Orlov [11]
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Which of the following would produce the most power?
Fantom [35]

Answer:

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Explanation:

Power can be defined as the energy required to do work per unit time.

Mathematically, it is given by the formula;

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But Energy = mgh

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Power = \frac {mgh}{time}

Given the following data;

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Time = 5 seconds

We know that acceleration due to gravity is equal to 9.8 m/s²

Power = \frac {10*9.8*10}{5} = 490 Watts

Hence, a mass of 10 kilograms lifted 10 meters in 5 seconds would produce the most power.

6 0
2 years ago
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