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lilavasa [31]
3 years ago
6

The traditional view of mangrove forests as wastelands and unhealthy environments helped promote their degradation because _____

__.
Physics
1 answer:
skad [1K]3 years ago
5 0
Raditionally mangrove forests<span> were viewed as </span>wastelands and unhealthy environments<span>. People therefore reasoned that </span>their<span> removal would improve the health ...</span>
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A juggler throws a bowling pin straight up in the air. After the pin leaves his hand and while it is in the air, which statement
WINSTONCH [101]

Answer:

The velocity of the pin is opposite its acceleration on the way up.

(d) option is correct.

Explanation:

when the juggler throws a bowling pin straight in the air, the acceleration working on the pin is in the downward direction due to the gravitational force of the earth.

According to Newton's Universal Law of Gravitation

''The gravitational force is a force that attracts any objects with mass''

8 0
3 years ago
What is the mass of an object that requires 100N of force in order to accelerate it at 10m/s2 ?
Debora [2.8K]

Answer:

We know that f=ma

Rearranging

M=f÷a so m=10kg

Explanation:

7 0
3 years ago
Read 2 more answers
A biker starts moving from rest with a constant acceleration of 2.0 m/s^2. What is his velocity after 5.0 s?
Ber [7]

a = v-u/t

2 = v - 0 / 5

2 = v/5

v = 10 m /s

5 0
3 years ago
What is the force applied to a baseball that has a mass of 142kg and has a acceleration of 30m/s to the power of 2
aev [14]
  • Mass=m=142kg
  • Acceleration=a=30m/s
  • Force=F

Using Newton's second law

\\ \sf\Rrightarrow F=ma

\\ \sf\Rrightarrow F=142(30)

\\ \sf\Rrightarrow F=4260N

7 0
2 years ago
Which of the following statements are true?
inessss [21]

Answer:

a. If an object's speed is constant, then its acceleration must be zero.

FALSE

As we know that acceleration is defined as the rate of change in velocity

a = \frac{d\vec v}{dt}

so we can not say anything about the acceleration when speed is given to as and no information is given about velocity

b. If an object's acceleration is zero, then its speed must be constant.

TRUE

As we know that acceleration is defined as the rate of change in velocity

a = \frac{d\vec v}{dt}

Since we know that if acceleration is 0 then velocity must be constant and hence speed is also constant

c. If an object's velocity is constant, then its speed must be constant.

TRUE

Since velocity is constant then it shows that its magnitude and direction both are constant so its speed is also constant.

d. If an object's acceleration is zero, its velocity must be constant.

TRUE

As we know that acceleration is defined as the rate of change in velocity

a = \frac{d\vec v}{dt}

Since we know that if acceleration is 0 then velocity must be constant

e. If an object's speed is constant, then its velocity must be constant.

FALSE

Speed is just the magnitude so we can not say about its direction and hence if speed is constant then velocity may or may not change

7 0
2 years ago
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