3 years ago

Calculating the Force of friction

Physics

1 answer:

Thepotemich [5.8K]3 years ago

7 0

Answer:-4N

Explanation:

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Kim is cutting lengths of ribbon so that each length of ribbon equals 8 inches. How many centimeters does 8 inches equal

Aloiza [94]

I think it's 96 because 1 inch = 12 centimeters so 8 multiply by 12 is 96 yah its 96

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3 years ago

If the forces on an object are not balanced than the object must be...

iVinArrow [24]

Explanation:

If the forces are not balanced on an object, the object experiences an overall net force. This will change the object's velocity.

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2 years ago

In an "atom smasher," two particles collide head on at relativistic speeds. If the velocity of the first particle is 0.741c to t

USPshnik [31]

Answer:

$W_x = 0.9156\ c$

Explanation:

given,

velocity of particle 1 = 0.741 c to left

velocity of second particle = 0.543 c to right

relative velocity between the particle = ?

for the relative velocity calculation we have formula

$W_x = \dfrac{|u_x - v_x|}{1-\dfrac{u_xv_x}{c^2}}$

u_x = 0.543 c

v_x = - 0.741 c

$W_x = \dfrac{0.543 c - (-0.741 c)}{1-\dfrac{(0.543 c)(-0.741 c)}{c^2}}$

$W_x = \dfrac{0.543 c +0.741 c)}{1+\dfrac{(0.543)(0.741)c^2}{c^2}}$

$W_x = \dfrac{1.284c}{1+0.402363}$

$W_x = 0.9156\ c$

Relative velocity of the particle is $W_x = 0.9156\ c$

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3 years ago

During an experiment, a student moved a cell from pure water to salted water. What will most likely happen to the cell?

jarptica [38.1K]

Answer:

During an experiment, a student moves a cell from pure water to salted water. ... It will release water and shrivel. It will release water and burst.

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3 years ago

Find the velocity of a water wave in meters per second with frequency

Yuri [45]

Answer:

Velocity, v = 0.164 m/s

Explanation:

We have,

Frequency of wave, f = 0.04 Hz

Wavelength, $\lambda=4.1\ m$

It is required to find the velocity of a water wave. The speed of any wave is given in terms of wavelength and frequency. Its formula is :

$v=f\lambda\\\\v=0.04\times 4.1\\\\v=0.164\ m/s$

So, the velocity of a water wave is 0.164 m/s.

7 0

3 years ago