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2 years ago

What is force ? question for spammers hehe..

Physics

2 answers:

love history [14]2 years ago

6 0

Answer:

Force: Strength or energy as an attribute of physical action or movement.

vazorg [7]2 years ago

5 0

Answer:

THIS IS YOUR ANSWER:

the push or pull of an object is called force

☺✍️HOPE IT HELPS YOU ✍️☺❤

Explanation:

hello bhumi

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In a 350-m race, runner A starts from rest and accelerates at 1.6 m/s^2 for the first 30 m and then runs at constant speed. Runn

kifflom [539]

Answer:

B can take 0.64 sec for the longest nap .

Explanation:

Given that,

Total distance = 350 m

Acceleration of A = 1.6 m/s²

Distance = 30 m

Acceleration of B = 2.0 m/s²

We need to calculate the time for A

Using equation of motion

$s=ut+\dfrac{1}{2}at_{A}^2$

Put the value in the equation

$30=0+\dfrac{1}{2}\times1.6\times t_{A}^2$

$t_{A}=\sqrt{\dfrac{30\times2}{1.6}}$

$t_{A}=6.12\ sec$

We need to calculate the time for B

Using equation of motion

$s=ut+\dfrac{1}{2}at_{B}^2$

Put the value in the equation

$30=0+\dfrac{1}{2}\times2.0\times t_{B}^2$

$t_{B}=\sqrt{\dfrac{30\times2}{2.0}}$

$t_{B}=5.48\ sec$

We need to calculate the time for longest nap

Using formula for difference of time

$t'=t_{A}-t_{B}$

$t'=6.12-5.48$

$t'=0.64\ s$

Hence, B can take 0.64 sec for the longest nap .

4 0

3 years ago

Static, sliding and rolling are types of friction true or false

Marina CMI [18]

True because friction happens when two things are rubbed against each other and it creates force and sliding something vigorously against something else can create force.

4 0

3 years ago

Read 2 more answers

The record for the highest speed achieved in alaboratory for a

Ira Lisetskai [31]

Answer:

0.000234 seconds

Explanation:

Since the row is 0.15m, its radius of rotation must be 0.15 / 2 = 0.075 m

We can start by calculating the angular speed of the rod:

$\omega = \frac{v}{r} = \frac{2010}{0.075} = 26800 rad/s$

Since one revolution equals to 2π rad. The speed in revolution per second must be

26800 / 2π = 4265 revolution/s

The number of seconds per revolution, or period, is the inverse:

1/4265 = 0.000234 seconds

3 0

3 years ago

What resistance would produce a current of 120A from a 6-volt battery?

andriy [413]

120/6=20 ohms :) would be the ans

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3 years ago

A spring is stretched 2.0 cm. If the same spring is stretched 8.0 cm the ratio of the second and first potential energies of the

jok3333 [9.3K]

Potential energy of spring equals K times X squared divided by 2 where X is displacement

4 times squared equals 16

choose 1st answer

6 0

3 years ago

What is force ? question for spammers hehe..​

What is force ? question for spammers hehe..