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CaHeK987 [17]
3 years ago
11

A ball is thrown upward with an initial velocity of 4 m/s. The ball's

Physics
1 answer:
maxonik [38]3 years ago
6 0

Answer:

use formula Ep=mgh

Explanation:

potential energy is being utilized

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what aspect of receiver analog-to-digital conversion determines the maximum receive bandwidth of a direct digital conversion sdr
Zepler [3.9K]

Answer:

The sample rate determines the maximum receive bandwidth of a direct digital conversion SDR. An analog signal must be sampled at twice the rate of the highest frequency component of the signal by an analog-to-digital converter so that the signal can be accurately reproduced.

Explanation:

8 0
2 years ago
Which formulas might be used to find the velocity based on a position-time graph?
Alex787 [66]
The formula to get the velocity is V=D/T. First you need to determine the distance and time at a certain point and plug it into the equation and that will be your velocity at that point. To get it between two points you complete the directions two times and find the average or use the slope formula, slope = rise/run; slope = (y2 - y1) / (x2 - x1). 
6 0
4 years ago
Write the abbreviation for each of the following units: meter, kilometer, centimeter, millimeter,
nikdorinn [45]
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3 0
3 years ago
Read 2 more answers
The velocity of a an object in linear motion changes from +25 meters per second to +15 meters per second in 2.0 seconds.
kodGreya [7K]

Answer:

-5.0 m/s^2

Explanation:

Missing question:

What is the object's acceleration?

Solution:

The acceleration of an object is given by

a=\frac{v-u}{t}

where

v is the final velocity

u is the initial velocity

t is the time taken for the change in velocity

For the object in this problem,

u = +25 m/s

v = +15 m/s

t = 2.0 s

Substituting,

a=\frac{15-25}{2}=-5.0 m/s^2

And the acceleration is negative because its direction is opposite to that of the velocity.

5 0
3 years ago
In a series RLC ac circuit, a second resistor is connected in series with the resistor previously in the circuit. As a result of
AnnyKZ [126]

Answer:

* The first thing we observe is that the frequency response does not change

* The current that circulates in the circuit decreases due to the new resistance at the resonance point,

          Z = R + R₂

Explanation:

The impedance of a series circuit is

          Z₀² = R² + (X_L-X_C) ²

when we place another resistor in series the initial resistance impedance changes to

          Z² = (R + R₂) ² + (X_L - X_C) ²

           

let's analyze this expression

* The first thing we observe is that the frequency response does not change

* The current that circulates in the circuit decreases due to the new resistance at the resonance point,

          Z = R + R₂

8 0
3 years ago
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