Answer:
The frequency of the wave is 5.0Hz
Explanation:
The frequency of a wave is the number of oscillations or revolutions made in a second.
Answer:
The total distance at 7 s is:
Explanation:
<u>Distance due to the force</u>
We can use second Newton's law to find the acceleration.
Now, using the kinematic equation we will find the distance during this interval of time. Let's recall that the initial velocity is zero.
In the second part of the motion, the object moves at a constant velocity, as long as there is no friction between the object and the floor.
First, we need to find the final velocity of the first interval
So the second distance will be:
Therefore, the total distance is:
I hope it helps you!
Solid. And it's where molecules don't move at all which means that no energy is required at all.
Answer:compound is a poly element pure substance
Explanation:
It made up of two or more elements.
It can be broen down into simpler units
<h2>
Hello there! :)</h2>
It's a pleasure to be helping you today with your<u> physics question!</u>
Answer:
Explanation:
We want to find the initial speed of the ball.
To do this, we have to apply the formula for the time of flight of a projectile:
where θ = angle of flight
g = acceleration due to gravity
v0 = initial speed
Therefore, substituting the given values into the formula, we have that:
⇒ 2 × ×0.8910= 9.8 × 4.2
⇒
That is the initial speed of the ball.
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<em>I hope this helps you!</em>
<em>Good Luck with your Assignment!</em>