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nikdorinn [45]
3 years ago
5

Power can be defined as the rate at which ______ is changed

Physics
2 answers:
mote1985 [20]3 years ago
8 0
It’s d energy because it’s referring to power changing because the power unit is (J/s) joule per second known as watt which is the same as implieing power
KengaRu [80]3 years ago
5 0
The answer to this question is the last option
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Which of these has components that can have a varying ratio?
Travka [436]
I say C. But I’m not 100% sure so check it first
6 0
3 years ago
How can the President check Congress' power to make law?
Greeley [361]

Answer:

The President may veto bills Congress passes, but Congress may also override a veto by a two-thirds vote in both the Senate and the House of Representatives. Article I of the Constitution enumerates the powers of Congress and the specific areas in which it may legislate.

so its eaither      A or C hope that helped sorry if a m wrong

Explanation:

7 0
3 years ago
An 6 kg object accelerating from 17 m/s to 10 m/s. What is the change in momentum of the object?
Oksana_A [137]

Answer:

the change is = 17 × 10 = <u>1</u><u>7</u><u>0</u><u> </u>=28.33

6

3 0
3 years ago
A 75 kg football player is gliding forward across very smooth ice at 4.6 m/s. He throws a 0.47 kg football straight forward. A)
lord [1]

Answer:

4.53482 m/s

4.506 m/s

Explanation:

m_1 = Mass of player = 75 kg

v_1 = Initial velocity of player = 4.6 m/s

m_2 = Mass of ball = 0.47 kg

v_1 = Initial velocity of ball = 15 m/s

The linear momentum of the system is conserved

(m_1+m_2)v_1=m_1v+m_2v_2\\\Rightarrow v=\dfrac{(m_1+m_2)v_1-m_2v_2}{m_1}\\\Rightarrow v=\dfrac{(75+0.47)4.6-0.47\times 15}{75}\\\Rightarrow v=4.53482\ m/s

The player's speed is 4.53482 m/s

In the second case the equation of momentum is

(m_1+m_2)v_1=m_1v+m_2(v_2+v_1)\\\Rightarrow v=\dfrac{(m_1+m_2)v_1-m_2(v_2+v_1)}{m_1}\\\Rightarrow v=\dfrac{(75+0.47)4.6-0.47\times (15+4.6)}{75}\\\Rightarrow v=4.506\ m/s

The player's speed is 4.506 m/s

4 0
4 years ago
What forces come in pairs?
maks197457 [2]

Answer:

Newton's Third Law of Motion

Explanation:

it explains that forces always come in action-reaction pairs. The Third Law states that for every action force, there is an equal and opposite reaction force

6 0
3 years ago
Read 2 more answers
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