2 years ago

Crest to crest or trough to trough

Physics

1 answer:

V125BC [204]2 years ago

7 0

The answer is D. wavelength!

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Ceres is a dwarf planet located in the main asteroid belt.

Pie

Yes that is correct, it lies between the orbits of Mars and Jupiter and is the largest in the belt.

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3 years ago

Two cars are travelling side by side down a straight road in the same direction. Both cars are travelling at a speed of 22m/s. W

ivann1987 [24]

Answer:

0 m/s

Explanation:

Relative speed is defined as the speed of an object with respect with another object.

In other words, it is the speed of an object as viewed from the frame of reference of another object.

When two objects are moving in the same direction, their relative velocity is given as:

$V_{12} = V_1 - V_2$

where $V_1 =$ velocity of first object

$V_2 =$ velocity of second object

In the case of the two cars, $V_1 =$ $V_2 =$ 22 m/s

Therefore:

$V_{12} = 22 - 22 = 0 m/s$

Their relative velocity is 0 m/s.

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3 years ago

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In a circus act, a 70 kg clown is shot from a cannon with an initial velocity of 17 m/s at some unknown angle above the horizont

EleoNora [17]

Answer:

$K_{2}=7302.4J$

Explanation:

Given the initial velocity of the clown, his mass and final height we can calculate the final kinetic energy using the conservation of total mechanical energy

$K_{1}+U_{1}=K_{2}+U_{2}$

$K_{2}=K_{1}+U_{1}-U_{2}$

$K_{2}=\frac{1}{2}mv_{1}^{2}+mgh_{1}-mgh_{2}$

Since $h_{1}=0$

$K_{2}=\frac{1}{2}mv_{1}^{2}-mgh_{2}$

$K_{2}=\frac{1}{2}(70kg)(17m/s)^2-(70kg)(9.8m/s^2)(4.1m)=7302.4J$

$K_{2}=7302.4J$

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2 years ago

4. A small rocket with a mass of 2000 g (hint: grams) accelerates at 8.3 m/s/s as it launches into the sky. How much force is ac

GrogVix [38]

Answer:

16.6N

Explanation:

Given parameters:

Mass of rocket = 2000g = 2kg

Acceleration = 8.3m/s²

Unknown:

Force acting on the rocket = ?

Solution:

The force acting on a body can be derived from the product of its mass and acceleration;

Force = mass x acceleration

Insert the parameters and solve;

Force = 2 x 8.3 = 16.6N

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2 years ago

What happens when aluminum fills its valence shell?

Juliette [100K]

I beileve the answer is B

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3 years ago

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