A river flows at a velocity of 3 km/h relative to the riverbank. A boat moves downstream at a velocity of 15 km/h relative to th
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Answer:
a)F=698.83 N
b)K=8221.56 N/m
Explanation:
Given that
mass ,m = 0.12 kg
Amplitude ,A= 8.5 cm
time period ,T = 0.2 s
We know that
We know that
K=Spring constant
K=8221.56 N/m
The maximum force F
F= K A
F= 8221.56 x 0.085 N
F=698.83 N
a)F=698.83 N
b)K=8221.56 N/m
Answer:
true
Explanation:
Here we have assumed that increasing the mass of a glove will increase the surface area.
Injury is caused by the application of pressure at a point on the body. The application of pressure takes place via the area of the gloves. Pressure is given by
where
F = Force
A = Area to which the force is applied
So, a bigger glove will increase the surface area and reduce the pressure resulting in a lower chance of injury.
Hence, the statement is true.
F=1/(4*pi*e0)*q1*q2/r^2
e0 ≈ 8,854187817·10^−12
F=1/(4*pi* 8,854*10^(-12))*2*10^(-7)*2*10^(-7)/(0,3)^2 H = <span> 0,003995 </span>H ~ 0,004 H
e0 ≈ 8,854187817·10^−12
F=1/(4*pi* 8,854*10^(-12))*2*10^(-7)*2*10^(-7)/(0,3)^2 H = <span> 0,003995 </span>H ~ 0,004 H
Considering the four electric charges forming a square with magnitude of charge of 2.0 nC on each. :
A) Magnitude of the force on the 5.5 nC charge in the middle of the figure = 3.48 * 10^-4 N
B) Direction of the force on the 5.5 nC charge in the middle of the figure = Leftward ( negative x -axis )
Using the given data :
size of square = 4 cm
magnitudes of four charges = 2.0 nC
<u> a) </u><u>magnitude</u><u> of the force on the center charge </u>
Electric force between two point charges = ----- ( 1 )
where ;
step 1 ; find r ( distance between charges )
r² = ( 2 )² + ( 2 )² = 8 cm²
back to equation 1
F = 9 * 10⁹ * = 1.23 * 10^-4 N
∴ magnitude of the force on the center charge ( Fnet )= 4F cos 45°
= 4 * ( 1.23 * 10^-4 ) * = 3.48 * 10^-4 N
b) The direction of the force at the center is along the negative x-axis ( leftward )
Learn more : brainly.com/question/24139734