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antiseptic1488 [7]
3 years ago
14

A 720 g softball is traveling at 15.0 m/s when caught. If the force of the glove on the ball is 520 N, what is the time it takes

the ball to stop
Physics
1 answer:
Sholpan [36]3 years ago
5 0

Answer:

The time it takes the ball to stop is 0.021 s.

Explanation:

Given;

mass of the softball, m = 720 g = 0.72 kg

velocity of the ball, v = 15.0 m/s

applied force, F = 520 N

Apply Newton's second law of motion, to determine the time it takes the ball to stop;

F = ma = \frac{mv}{t} \\\\t = \frac{mv}{F} \\\\t = \frac{0.72 \ \times \ 15}{520} \\\\t = 0.021 \ s \\

Therefore, the time it takes the ball to stop is 0.021 s.

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Tamiku [17]

Answer:

This is because animals do not need to store as much water as plants.

Explanation:

Animals generally have smaller vacuoles than plants. Plants have large vacuoles that can occupy a large portion of their cell (up to 30 percent). The major function of the vacuole is to store water and maintain cell turgidity and pressure against the cell wall.

Animals on the other hand do not have a rigid cell wall, rather, they have a flexible cell membrane. As a result of this, they do not need to store water in vacuoles.

8 0
3 years ago
What is the ideal mechanical advantage of a ramp with a height of 3.5 and a length of 14.0 meters
Zanzabum

Answer:

ghj

Explanation:

3 0
3 years ago
you are driving at 18m/s down Lyndale​ avenue. A car backs out a driveway 25 meters in front of you. You continue at that speed
zimovet [89]

Hello!

For this, first let's calculate time of stop:

t = (V - Vi) / a

Replacing:

t = (0 m/s - 18 m/s) / -5,4 m/s^2

Resolving:

t = -18 m/s / -5,4 m/s^2

t = 3,33 s + 0,25 s = 3,58 s

Now lets calculate distance traveled, with formula:

d = Vi*t + (a*t^2)/2

Replacing:

d = 18 m/s * 3,58 s + (-5,4 m/s^2 * (3,58 s)^2) /2

Resolving:

d = 64,44 m + (-34,604 m)

d = 29,83 m

Then, the vehicle will CRASH

7 0
3 years ago
Please help meeeee!!! ​
prohojiy [21]

Answer:

1. Test tube

2. tongs

3.

4.  FUNNEL

5.  

6.

7. Flask

8. Beaker

9. Bunsen burner

10. Erlenmeyer Flask

11.  Molar and pestle

12. Wire gauze

13.  Graduated cylinder

14. Test tube rack

15.  Pipet

16. Filo

Explanation:

8 0
3 years ago
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pickupchik [31]

Answer:

D.

Explanation:

Work is done when a force moves its point of application a distance in the direction of that force.

Work = force × distance.

6 0
3 years ago
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