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3 years ago

After going through the hoop, a basketball falls to the floor 3 meters below the hoop. The ball

Physics

1 answer:

Irina-Kira [14]3 years ago

8 0

Answer:

immma send you the link friend me on hereExplanation:

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Tsunamis are fast-moving waves often generated by underwater earthquakes. In the deep ocean their amplitude is barely noticable,

vovangra [49]

Answer:

v =163.95 m/s

Explanation:

Given that,

The wavelength of wave, $\lambda=646\ km=646\times 10^3\ m$

Distance covered, $d=3630\ km=3630\times 10^3\ m$

We need to find the speed of the wave. We know that,

speed = distance/time

So,

$v=\dfrac{3630\times 10^3\ m}{22140\ s}\\\\=163.95\ m/s$

So, the speed of the wave is equal to 163.95 m/s.

6 0

3 years ago

What is the centripetal acceleration of a small laboratory centrifuge in which the tip of the test tube is moving at 19.0 meters

Artist 52 [7]

Answer: $3.61(10)^{3} \frac{m}{s^{2}}$

The centripetal acceleration $a_{c}$ of an object moving in a uniform circular path is given by the following equation:

$a_{c}=\frac{V^{2}}{r}$

Where:

$V=19m/s$ is the velocity

$r=10cm=0.1m$ is the radius of the circle

$a_{c}=\frac{(19m/s)^{2}}{0.1m}$

$a_{c}=3610m/s^{2}=3.61(10)^{3}m/s^{2}$

8 0

3 years ago

A force 6.3 N is applied at a distance 2.1 m from the point of rotation of a wrench. If the force is applied in a direction para

Ganezh [65]

Answer: 0 (zero)

Explanation:

The formula for torque = force × perpendicular distance between force and point of rotation.

Where force = 6.3 N, distance between force and point of rotation = 2.1m

It has been stated from the question that the force is applied in such a way that it is parallel to the position vector.

If we take the magnitude of this position vector, it will give the distance between the force and the point of rotation which still shows that the force is parallel to the rotation point which does not satisfy the condition for torque to occur hence torque is zero.

8 0

3 years ago

the total linear momentum of a truck of mass 6000 kg that is moving at a speed of 40 m/s and a car of mass 1000 kg that is movin

Alex777 [14]

Answer:250,000

Explanation:

5 0

3 years ago

A five pulley system is used to lift a load

faltersainse [42]

Answer:

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Machine

Subject: Science

Home Grade 9 Science Machine Machine

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Syllabus

Measurement

Force

Machine

Types of Simple Machine

Moment

Work Energy and Power

Sound

Light

Electricity and Magnetism

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Overview

Simple machine helps us by magnifying force, accelerating work and by changing the direction of force. This notes gives us the information about machine, its importance, mechanical advantage, velocity ratio.

Note

Things to remember

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Exercise

Quiz

Machine

We use various tools to perform different types of work in our daily life. The tools or simple devices used for making our work easier, faster and more convenient are simple machines.

Those tools or devices which make our work easier and convenient in the direction of the force is called simple machine.

Purpose of using simple machine

Simple machines are used to make our work easier in the following ways:

By multiplying force.

By changing the directions of force.

By transferring force from one point to another.

By increasing the rate of doing work.

THIS CAN HELP U

7 0

3 years ago