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valkas [14]
2 years ago
6

The skateboarder starts at the top of the ramps, and rolls down and back up the other side. Which graph shows the most Kinetic E

nergy?

Physics
1 answer:
DaniilM [7]2 years ago
6 0

Answer:

C

Explanation:

Usually when you are at the bottom you are at peak speed. It also shows that Kinetic Energy is the green bar and in picture C the green bar is highest.

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A bungee cord has a spring constant of 82.5 N/m. After jumping, a person oscillates with a period of 7.50 s. What is the mass of
Arada [10]

Answer:

Explanation:

T = 2π √ (m/k)

T / 2π = √ (m/k)

T√k = 2π √m

(T√k) / 2π = √m

( (T√k) / 2π)^2 = m

m = ( (7.5√82.5) / 2π)^2

m = 117.66 Kg

3 0
3 years ago
Define measurements.​
Reptile [31]

Answer:

act or process of measuring

Explanation:

6 0
3 years ago
What effect does the sun have on Earth's tides? A. The pull of the sun cancels the pull of the moon when they are on opposite si
Kisachek [45]

Answer:

D

Explanation:

because two vectors which align in the same line adds one to another

6 0
3 years ago
A cup of tea is mixutre true or false​
Hitman42 [59]

Answer:

this is very true

Explanation:

I I should know I'm a tea fanatic

6 0
3 years ago
A uniform magnetic field of 4.15 T points in some direction. Consider the magnetic flux through a large triangular wire loop tha
pickupchik [31]

Answer:

ФB = 4.89 W

Explanation:

In order to calculate the magnetic flux trough the triangular wire loop, you use the following formula:

\Phi_B=B\cdot A=BAcos\theta   (1)

B: magnitude of the magnetic field = 4.15T

A: area of the triangular loop

θ: angle between the normal to the surface and the direction of the magnetic field = 0°

Both direction of the magnetic field and the normal vector to the surface are parallel.

You calculate the area of the triangular loop:

A=\frac{bh}{2}   (2)

b: base = 1.65 m

h: height = \sqrt{(1.65m)^2-(\frac{1.65m}{2})^2}=1.42m

A=\frac{(1.65m)(1.42m)}{2}=1.17m^2

Next, you replace the values of A and B in the equation (1):

\Phi_B=(4.15T)(1.17m^2)=4.89W

The magnetic flux trough the triangular wire loop is 4.89W

7 0
3 years ago
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