All categories

2 years ago

A measure of change in velocity in a measure of time is

1 answer:

8 0

$\\ \sf\Rrightarrow Acceleration=\dfrac{\Delta V}{t}[)tex]In simplified form[tex]\\ \sf\Rrightarrow Acceleration=\dfrac{dv}{dt}$

The rate of change of velocity with respect to time period is called acceleration.
SI units-m/s^2

You might be interested in

If a skydiver jumps out of a plane horizontally (in other words with no initial vertical velocity), then what will her vertical

erastovalidia [21]

The final vertical velocity of the skydiver at 50.8 m of fall is 31.56 m/s.

<h3>Time of motion of the girl</h3>

The time of motion of the girl is calculated as follows;

h = vt + ¹/₂gt²

where;

v is initial vertical velocity = 0
t is time of motion
g is acceleration due to gravity

Substitute the given parameters and solve for time of motion;

50.8 = 0 + ¹/₂(9.8)t²

2(50.8) = 9.8t²

101.6 = 9.8t²

t² = 101.6/9.8

t² = 10.367

t = √10.367

t = 3.22 seconds

<h3>Final vertical velocity of the skydiver</h3>

vf = vi + gt

where;

vi is the initial vertical velocity = 0

vf = 0 + 9.8(3.22)

vf = 31.56 m/s

Thus, the final vertical velocity of the skydiver at 50.8 m of fall is 31.56 m/s.

Learn more about vertical velocity here: brainly.com/question/24949996

#SPJ1

4 0

1 year ago

Four forces act on a hot-air balloon, as shown

dolphi86 [110]

The magnitude of the resultant force on the balloon is 374.13 N.

The given forces from the image;

<em>Upward force = 514 N</em>
<em>Downward force = 267 N</em>
<em>Eastward force = 678 N</em>
<em>Westward force = 397 N</em>

The net vertical force on the balloon is calculated as follows;

$F_y = 514 \ N \ \ - \ \ 267 \ N\\\\F_y = 247 \ N$

The net horizontal force on the balloon is calculated as follows;

$F_x = 678 \ N \ - \ 397 \ N\\\\F_x = 281 \ N$

The magnitude of the resultant force on the balloon is calculated as follows;

$F = \sqrt{F_y^2 + F_x^2} \\\\F = \sqrt{(247)^2 + (281)^2} \\\\F= 374.13 \ N$

Thus, the magnitude of the resultant force on the balloon is 374.13 N.

Learn more here:brainly.com/question/4404327

5 0

2 years ago

What do you observe as you immerse the empty jug in a bucket which contains water? Explain why you observe this phenomenon.

liraira [26]

Answer:

The jug drowns because the density of the jug is more than that of the density of water.

7 0

2 years ago

Read 2 more answers

Help me with this question please

vichka [17]

Answer:

Its true i'm pretty sure

Explanation:

7 0

2 years ago

Read 2 more answers

What force must act on a 50.0-kg mass to give it an ancceleration of 0.30 m/s^2?

ratelena [41]

Answer:

15.0 N

Explanation:

see pic

3 0

2 years ago