3 years ago

If a person weighs 600N on earth, how much does he weigh on the moon

Physics

1 answer:

Snezhnost [94]3 years ago

5 0

Answer:

His weight would be 100 N

Explanation:

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In April 1974, Steve Prefontaine completed a 10 km race in a time of 27 min, 43.6 s. Suppose "Pre" was at the 8.13 km mark at a

SOVA2 [1]

Answer: $0.084 m/s^2$

Explanation:

Given

Total time=27 min 43.6 s=1663.6 s

total distance=10 km

Initial distance $d_1=8.13 km$

time taken=25 min =1500 s

initial speed $v_1=\frac{8.13\times 1000}{25\times 60}=5.6 m/s$

after 8.13 km mark steve started to accelerate

speed after 60 s

$v_2=v_1+at$

$v_2=5.6+a\times 60$

distance traveled in 60 sec

$d_2=v_1\times 60+\frac{a60^2}{2}$

$d_2=336+1800 a$

time taken in last part of journey

$t_3=1663.6-1560=103.6 s$

distance traveled in this time

$d_3=v_2\times t_3$

$d_3=\left ( 5.6+a\times 60\right )103.6$

and total distance $=d_1+d_2+d_3$

$10000=8.13\times 1000+336+1800 a+\left ( 5.6+a\times 60\right )103.6$

$1870=336+1800 a+\left ( 5.6+a\times 60\right )103.6$

$a=0.084 m/s^2$

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3 years ago

I need help with this problem.

tamaranim1 [39]

Answer:

Explanation:

Line CD

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3 years ago

Explain how friction keeps a nail in place in a block of wood. If you try pull out the nail which way does friction act?

Bess [88]

Answer:

Opposite to the direction that you are pulling

Explanation:

Static friction acts in the opposite direction to the acceleration.

Kinetic friction acts in the opposite direction to the velocity.

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2 years ago

Discuss two reasons why people find transition between school and university

dangina [55]

Answer:

Is that your answer

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2 years ago

a spring stretches by 0.12 m when some apples weighing 3.2 N are supported from it. What is the Spring Constant?

Rainbow [258]

Answer:

Fa==kx

ma=-kx

(3.2)(9.8)=-k(0.12)

k=27 N/M

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3 years ago