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ValentinkaMS [17]
3 years ago
8

Can you answer this for me please

Physics
1 answer:
lina2011 [118]3 years ago
8 0

I think it might be independant variable.. but not so sure

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300 Jules energy are used to push an object with a force of 75N. what is the maximum distance the object can move?
Artyom0805 [142]

Energy consumed in doing the work = 300 Joules

Force applied on the object = 75 N

Let the distance moved by the object be d.

Work done by the force is determined by the force applied and the displacement happened in the direction of the force applied.

Work done = Force x displacement

300 = 75 x d

d = \frac{300}{75}

d = 4 m

Hence, the maximum distance moved by the object = 4 meters

6 0
3 years ago
calculate the weight of an object of mass 100kg on the surface of a planet whose mass is 4.8×10^24 kg and diameter is 12000km.​
notsponge [240]

Answer:

p= mv

where p is momentum

m is mass

v is velocity

so it's given p= 100kgm/sec

v= 4m/s

so putting in the formula

100= m × 4

m = 25kg

Explanation:

3 0
3 years ago
In 1993, Ileana Salvador of Italy walked 3.0 km in under 12.0 min. Suppose that during 115 m of her walk Salvador is observed to
dexar [7]

Answer:

t = 25 seconds

Explanation:

Given that,

Distance, d = 115 m

Initial speed, u = 4.2 m/s

Final speed, v = 5 m/s

We need to find the time taken in increasing the speed.

We know that,

Acceleration, a=\dfrac{v-u}{t} ....(1)

The third equation of kinematics is as follows :

v^2-u^2=2ad\\\\\text{Put the value of a in above equation}\\\\v^2-u^2=2\times \dfrac{v-u}{t}\times d\\\\\because (a^2-b^2)=(a-b)(a+b)\\\\(v-u)(v+u)=\dfrac{2\times (v-u)d}{t}\\\\t=\dfrac{2d}{v+u}\\\\\text{Putting all the values}\\\\t=\dfrac{2\times 115}{4.2+5}\\\\t=25\ s

Hence, it will take 25 seconds to increase the speed.

6 0
3 years ago
What will be the pressure exerted by the object if 5000N of the force is acting on an area of 200 cm square
stich3 [128]

Answer:

Answer:25 pascal

Explanation:

Pressure=force÷area

Pressure=5000N÷200cm^2

=25

N/cm^2

=25pascal

Explanation:

3 0
3 years ago
Read 2 more answers
would the phases of the moon be affected if the moon didn't make one rotation for each revolution of earth?
Aleks [24]

As long as the moon orbits the Earth in the same way, the phases will be the same.

4 0
3 years ago
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