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2 years ago

If the weight of a person is 500 newton what is his mass on the earth ?

Physics

1 answer:

miskamm [114]2 years ago

8 0

Answer:

The person is on the Moon having a weight of 500 N. The acceleration of gravity on the Moon is approximately 1.6 m/s2. What is your his, which includes his space suit?

f= Force (of gravity)=500N

g=acceleration of gravity=1.6m/s^2

m=mass=312kg

m=f/a= 500N/1.6 m/s^2 = 500 (kg-m/1.6m/s^2) = 500/1.6kg = 312kg

his mass is 312kg

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3 years ago

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a golfer is on the edge of a 12.5m bluff overlooking the 18th hole which is located 67.1m from the base of the bluff. she launch

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Explanation:

This problem is related to parabolic motion and can be solved by the following equations:

$x=V_{o}cos \theta t$ (1)

$y=y_{o}+V_{o} sin \theta t - \frac{1}{2}gt^{2}$ (2)

$V=V_{o}-gt$ (3)

Where:

$x=67.1 m$ is the horizontal distance traveled by the golf ball

$V_{o}$ is the golf ball's initial velocity

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$t$ is the time

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$y_{o}=12.5 m$ is the initial height of the ball

$g=9.8 m/s^{2}$ is the acceleration due gravity

$V$ is the final velocity of the ball

Let's begin by finding $t$ from (2):

$t=\sqrt{\frac{2 y_{o}}{g}}$ (4)

$t=\sqrt{\frac{2 (12.5 m)}{9.8 m/s^{2}}}$ (5)

$t=1.597 s$ (6)

Substituting (6) in (1):

$67.1 m=V_{o} cos(0\°) 1.597 s$ (7)

Finding $V_{o}$ :

$V_{o}=42.01 m/s$ (8)

Substituting $V_{o}$ in (3):

$V=42.01 m/s-(9.8 m/s^{2})(1.597 s)$ (9)

Finally:

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