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BabaBlast [244]
3 years ago
7

What is the mass of an object moving at a speed of 10.0 m/s with a kinetic energy of 760 J?

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

Answer:

E

Explanation:

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Geothermal

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. A car with a mass of 700-kg changes its speed from 10.0 m/s to 30.0 m/s in a displacement of 50.0 meters. Calculate the net fo
Nezavi [6.7K]

Answer:

5600N

Explanation:

Given parameters:

Mass of car  = 700kg

Initial velocity  = 10m/s

Final velocity  = 30m/s

Displacement  = 50m

Unknown:

Net force acting on the car  = ?

Solution:

To find the force acting on a body, it is pertinent we know the mass and acceleration.

 Force  = mass x acceleration

Now;

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 v²  = u²  + 2aS

 v is the final velocity

 u is the initial velocity

 a is the acceleration

 S is the distance

  30²  = 10²  + (2 x a x 50)

 900 = 100 + 100a

      100a  = 800

           a  = 8m/s²

Therefore;

     Force  = 700 x 8  = 5600N

6 0
3 years ago
A strong lightning bolt transfers about 25 c to earth. how many electrons are transferred? the elementary charge is 1.60218 × 10
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The total charge transferred is Q=25 C. This total charge consists of N electrons, each one with charge e=1.6 \cdot 10^{-19}C. To find N, the number of electrons transferred, we must simply divide the total charge by the charge of a single electron:
N= \frac{Q}{e}= \frac{25 C}{1.6 \cdot 10^{-19}C}=1.56 \cdot 10^{20}
5 0
2 years ago
______ involves the use of electronic equipment to verify that an offender is at home or in a community correctional center duri
erastova [34]

Answer:

Remote Location Monitoring

Explanation:

Remote Location Monitoring involves the use of electronic equipment to verify that an offender is at home or in a community correctional center during specified hours o to track his her whereabouts.

Using programmed contact to verify an offenders location that distant, varied by the use of Global positioning system (GPS) to continuously map the exact location of the offender.

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