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3 years ago

The boat is travelling at a constant velocity.

Physics

1 answer:

raketka [301]3 years ago

5 0

the friction forces are smaller than the forward force

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Objects with masses of 135 kg and a 435 kg are separated by 0.500 m. Find the net gravitational force exerted by these objects o

IrinaVladis [17]

Answer:

The net gravitational force on the mass is $1.27\times 10^{-5}$

Explanation:

We have by Newton's law of gravity the force of attraction between masses $m_{1},m_{2}$

$F_{att}=G\frac{m_{1}m_{2}}{r^{2}}$

Applying vales we get

Force of attraction between 135 kg mass and 38 kg mass is

$F_{1}=6.67\times 10^{-11}\frac{135\times 38}{(0.25)^{2}}\\\\F_{1}=5.47\times 10^{-6}N$

Force of attraction between 435 kg mass and 38 kg mass is

$F_{2}=6.67\times 10^{-11}\frac{435\times 38}{(0.25)^{2}}\\\\F_{2}=1.76\times 10^{-5}N$

Thus the net force on mass 38.0 kg is $F_{2}-F_{1}=1.76\times 10^{-5}-5.47\times 10^{-6}\\\\F_{2}-F_{1}=1.27\times 10^{-5}$

8 0

3 years ago

How do I solve for horizontal force? And how can I find the acceleration to find the force? And how do I find the power during s

Snezhnost [94]

Answer:hhmm c

Explanation:

5 0

4 years ago

A rock is thrown down with an initial speed of 25.3 m/s from a bridge to the water below. It takes 2.29 s for the rock to hit th

Rzqust [24]

<h2>Height of bridge is 83.66 m</h2>

Explanation:

We have equation of motion s = ut + 0.5 at²

Initial velocity, u = 25.3 m/s

Acceleration, a = 9.81 m/s²

Time, t = 2.29 s

Substituting

s = ut + 0.5 at²

s = 25.3 x 2.29 + 0.5 x 9.81 x 2.29²

s = 83.66 m

Height of bridge is 83.66 m

7 0

3 years ago

(06.01 MC)

Misha Larkins [42]

Answer: C. Both observation 1 and observation 2

Explanation: A geocentric model shows the stars and the sun and where they move to.

God bless. <3

8 0

3 years ago

Read 2 more answers

What types of media can S-waves travel through

Greeley [361]

Answer:

The second type of body wave is the S wave or secondary wave, which is the second wave you feel in an earthquake. An S wave is slower than a P wave and can only move through solid rock, not through any liquid medium.

5 0

3 years ago