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sweet [91]
3 years ago
14

Two people person A and person B lift the same amount of weight but person A lifts it in a shorter amount of time who has more p

ower and why
Physics
1 answer:
const2013 [10]3 years ago
3 0
Person A has more muscular strength then person B.  B has muscular endurance.
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Total internal reflection will occur when:
ollegr [7]

Answer:

Try B or C if I'm wrong sorry

Explanation:

3 0
2 years ago
Determine the acceleration of a pendulum bob as it passes through an angle of 15 degrees to the right of the equilibrium point.
BigorU [14]

Answer:

Explanation:

Since energy is conserved:

2

mu  

2

 

​

=  

2

mv  

2

 

​

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2

+2gh

⇒(3)  

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2

+2(9.8)(0.5−0.5cos60)

⇒v=2m/s

7 0
3 years ago
Discuss how a photon (aka the light particle) can be affected by gravity despite being massless.
Over [174]

Explanation:

Light is clearly affected by gravity, just think about a black hole, but light supposedly has no mass and gravity only affects objects with mass. On the other hand, if light does have mass then doesn't mass become infinitely larger the closer to the speed of light an object travels.

4 0
3 years ago
A sailboat is traveling to the right when a gust of wind causes the boat to accelerate leftward at 2.5​​​​m​​/s2 for 4s. After t
Pavlova-9 [17]
Taking right movement to be positive means leftward movement is negative.
Hence we have a deceleration of
a = - 2.5 {ms}^{ - 2}

t = 4s
v = 3.0 {ms}^{ - 1}
Using this 'suvat' equation
v = u + at
we can determine the initial velocity

3.0= u + -2.5(4)

3.0+2.5(4)=u

13.0 = u

Hence the initial velocity is 13.0 meters per seconds
3 0
3 years ago
Read 2 more answers
THE ELECTROMAGNET SPECTRUM ONLY HAS WHICH SHAPE OF WAVE?
brilliants [131]

Answer: Transverse

Explanation: Transverse waves possess a vertical wave motion and a horizontal particle motion.

4 0
2 years ago
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