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mamaluj [8]
3 years ago
12

Determine two ways power can be increased?

Physics
2 answers:
Furkat [3]3 years ago
7 0
Do more work in the same time or do the same work in less time
Dmitriy789 [7]3 years ago
4 0
Hello,

Your answer would be:

Power is the rate at which work is done. Therefore to increase it either:
- Do more work in the same time.
- Do the same work in less time.

Plz mark me brainliest!

Hope this helps!
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Explanation:

5 0
3 years ago
How much force is needed to accelerate a 500.0 kg car at a<br> rate of 4 m/s2?
il63 [147K]

Answer:2000 N =2kN

             

Explanation:

F=m*a

m=500kg

a=4m/s²

F=500kg*4m/s²

F=2000N

3 0
3 years ago
A weight is hung from the ceiling of an elevator by a massless string. Under which circumstances will the tension in the cord be
Oduvanchick [21]
When the elevator is going up (assuming the elevator is acceleration)

When the elevator is accelerating downwards, the total gravitational force would be larger.

If the elevator is accelerating upwards, then the gravitation force would be smaller, thus the tension in the string would be smaller.
4 0
2 years ago
In an engine, an almost ideal gas is compressed adiabatically to half its volume. In doing so, 2820 J of work is done on the gas
Dmitry_Shevchenko [17]

Answer:

  1. Q=0
  2. U=2820
  3. Energy increases

Explanation:

From the question we are told that

Work done W=2820

a)Generally the heat flow for an adiabatic process is 0 (zero)

Q= U + W =>0

Q=0

b)Generally Change in internal energy of gas is mathematically given by

Since W=-2820J

Therefore

U=2820

Giving

Q= 2820 -2820

Q=O

c)With increases in internal energy brings increase in temperature

Therefore

Energy increases

3 0
2 years ago
Please help me, this school work is not the easiest for me.
lidiya [134]

Answer:

A = mm2

M = km2

F = mg

Explanation:

7 0
2 years ago
Read 2 more answers
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