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2 years ago

This is a science question

Physics

2 answers:

Sidana [21]2 years ago

6 0

The answer i think is A.

Anna35 [415]2 years ago

3 0

Answer:

Option A.

Explanation:

In accordance with triangles' properties, the location of an earthquake can be determined by analyzing the amplitude and wavelength of seismic waves recorded in a seismic data.

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calculate the force between two objects that have masses of 20 kg and 100 kg separated by a distance of 2.6 m

olga55 [171]

The gravitational force between the objects is $1.97\cdot 10^{-8} N$

Explanation:

The magnitude of the gravitational force between two objects is given by the equation:

$F=G\frac{m_1 m_2}{r^2}$

where

$G=6.67\cdot 10^{-11} m^3 kg^{-1}s^{-2}$ is the gravitational constant

$m_1, m_2$ are the masses of the two objects

r is the separation between the objects

For the two objects in this problem:

$m_1 = 20 kg\\m_2 = 100 kg$

And their distance is

r = 2.6 m

So, the gravitational force between them is

$F=\frac{(6.67\cdot 10^{-11})(20)(100)}{2.6^2}=1.97\cdot 10^{-8} N$

Learn more about gravitational force:

brainly.com/question/1724648

brainly.com/question/12785992

#LearnwithBrainly

7 0

3 years ago

The product of an object’s mass and velocity

Ann [662]

momentum is the product of mass and velocity

5 0

3 years ago

Read 2 more answers

One man wanted to weigh the air. He blew a balloon and weighed it. Then he blew air out of the balloon and weighed again. The we

raketka [301]

Answer:

Because there's buoyancy force

Explanation:

What is wrong here is that he assumes that gravity is the only force affecting the weight of the balloon on the scale here. In reality there's also buoyancy force which lifts the full blown balloon upwards.

A better type of container would be an air tank where its volume does not change when it's empty and when it's full of air.

6 0

3 years ago

You did 200 joules of work lifting a 150-newton backpack. How high did you lift the backpack?

kaheart [24]

We know that:
W=Fs
200J=150N*s
s=200J/150N
s=1,33m

8 0

3 years ago

A mass hanging from a spring is set in motion and its ensuing velocity is given by v (t )equals 2 pi cosine pi t for tgreater th

lianna [129]

Answer:

2(maximum), -2(minimum), -2(maximum).

Explanation:

V(t)= 2πcos πt--------------------------------------------------------------------------------(1).

Therefore, there is a need to integrate v(t) to get S(t).

S(t)= 2×sinπt + C ------------------------------------------------------------------------------(2).

Applying the condition given, we have s(0)= 0.

S(0)= 2sin ×π(0) + C.

Which means that; 0+C= 0. That is; C=0.

S(t)= 2 sin πt.

The mass moves to its highest positions at time,t=half(1/2=.5) and time,t=2.5.

Take note that; sin(π/2) = sin(5π/2) = 1 .

Also, the mass moves to its lowest position at time,t=(3/2); also, sin(3π/2) = -1.

Therefore, we have that 2 maximum; -2 minimum and -2 maximum.

7 0

2 years ago