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4 years ago

What information does a free-body diagram show?

Physics

2 answers:

amm18124 years ago

8 0

Answer:

All of the force vector acting on an object

Explanation:

That's what a free-body diagram does, and ayepecks

Anna11 [10]4 years ago

7 0

Free-body diagrams are diagrams used to show the relative magnitude and direction of all forces acting upon an object in a given situation. A free-body diagram is a special example of the vector diagrams

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A particle leaves the origin with an initial velocity v → = (3.00iˆ) m/s and a constant acceleration a → = (−1.00iˆ − 0.500jˆ) m

tatiyna

Answer:

the position vector (x,y) will be (1.5 m,-2.25 m) and the velocity vector (vx,vy) will be ( 0 m/s , -1.5 m/s) when x reaches its maximum x coordinate

Explanation:

Since the velocity is related with the acceleration and coordinates through

vx²=v₀x²+2*ax*x

where

vx = velocity in the x direction

v₀x = initial velocity in the x direction = 3 m/s

ax = acceleration in the x direction = −1.00 m/s²

x= coordinates in the x-axis

when x reaches its maximum coordinate , then vx=0

thus

vx²=v₀x²+2*ax*x

0 = (3 m/s)² + 2* (−1.00 m/s²)*x

x= 1.5 m

also for the time t

vx = v₀x + ax*t → t= (vx-v₀x)/ax = (0- 3 m/s)/ (−1.00 m/s²) = 3 seconds

for the y coordinates

y = y₀+v₀y*t + 1/2 ay*t²

where

v₀y = initial velocity in the y direction = 0 m/s

ay = acceleration in the x direction = −0.5 m/s²

y= coordinates in the y-axis

y₀= initial coordinate in the y-axis =0

then since y₀=0 and v₀y=0

y = 1/2*ay*t²

y = 1/2*ay*t² = 1/2*(−0.5 m/s²)*(3 s)² = -2.25 m

and

vy=v₀y+ ay*t= 0+(−0.5 m/s²)*(3 s)= (-1.5 m/s)

therefore the position vector (x,y) will be (1.5 m,-2.25 m)

and the velocity vector (vx,vy) will be ( 0 m/s , -1.5 m/s)

7 0

3 years ago

Michael is doing an experiment. He wants to drop a bowling ball and a stuffed bear out the window of a tall building. Under what

Anon25 [30]

Answer:

If there was no air resistance

Explanation:

We know that free fall is a unique motion in which gravity only works on one object. Objects that are said to be free-falling do not experience a significant force of air resistance; They come under the sole effect of gravity. Under such conditions, all objects fall under the same acceleration, regardless of their mass.

6 0

3 years ago

As a system increases in volume, it absorbs 51.0 J of energy in the form of heat from the surroundings. The piston is working ag

Gnoma [55]

Answer:52.72 L

Explanation:

Given

Energy absorb by system $Q=51 J$

Piston is working against a pressure of $P=0.545 atm$

Final volume of system $V_f=55.6 L$

change in internal Energy $\Delta U=-106 J$

Work done by system $W=P(V_f-V_i)$

According to first law of thermodynamics

$Q=dU+PdV$

$51=-106+W$

$W=157 J$

$157=0.545\times 10^5\times 10^{-3}(55.6-V)$

$157=54.5\times (55.6-V)$

$55.6-V=2.88$

$V=52.72 L$

7 0

3 years ago

The amplitude of wave is

alexandr402 [8]

Answer:

Explanation:

what more to say.. :| it's the distance from x to a crest or trough

5 0

2 years ago

Read 2 more answers

In a photoelectric effect experiment, electromagnetic radiation containing a finite distribution of wavelengths shines on a meta

Sonja [21]

Answer with Explanation:

a.Intensity of radiation is directly proportional to the frequency of radiation

When the intensity of radiation increases then the frequency of radiation increases and therefore, the number of photo-electrons emitted by the metal increases.

b.When all of the wavelength in the radiation are increased by the same amount

We know that

$f=\frac{v}{\lambda}$

Frequency is inversely proportional to the wavelength.

Therefore, the frequency decrease .

When the frequency decreases then the number of photo-electrons emitted by the metal decrease.

c.When the work function of the metal is increased then the gain of kinetic energy decreases .

When energy decreases then the number of photo-electrons emitted by the metal decreases.

3 0

4 years ago