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Aleksandr [31]
4 years ago
6

if a caterpillar is moving in a straight line at a speed of 7 cm/s, how long will it take the caterpillar to reach a green, leaf

y plant that is 56 cm away?
Physics
2 answers:
Shkiper50 [21]4 years ago
8 0
At the speed of 8 cm/s
Dmitry [639]4 years ago
8 0

Answer:

8 seconds

Explanation:

Given data

  • Speed of the caterpillar (v): 7 cm/s
  • Distance traveled (d): 56 cm
  • Time elapsed (t): ?

We can find the time that it takes the caterpillar to reach the leafy plant using the following expression.

v = d/t

t = d/v = 56 cm / (7 cm/s) = 8 s

It will take 8 seconds to the caterpillar to reach the leafy plant.

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Lesson 11: electricity &amp; magnetism unit test physical science b unit 5: electricity and magnetism (connexus)
vovikov84 [41]

Electricity and magnetism can be considered as part of the same phenomenon because both are generated by electromagnetic forces.

<h3>What is electricity?</h3>

Electricity is the movement or flow of negatively charged electrons through a suitable conductor where a charge is applied.

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2 years ago
If the mass of a material is 122 grams and the volume of the material is 10 cm3, what would the density of the material be?
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3 0
4 years ago
Why is boiling water considered a physical change?
Liono4ka [1.6K]

Answer:

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(credits to lumenlearning)

Explanation:

7 0
3 years ago
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A boy whirls a ball on a string in a horizontal circle of radius 1 m. How many revolutions per minute must the ball make if its
spayn [35]

Answer:

Nearest, the revolutions per minute will be 29.

Explanation:

Given that,

Radius of circle = 1 m

Acceleration a =g

We know that,

Angular frequency is defined as,

\omega=2\pi n

Where, n = number of revolutions in one second

We need to calculate the revolutions in one second

Using formula of centripetal acceleration

a=\omega^2r

Put the value of a and ω

g=(2\pi n)^2r

n=\sqrt{\dfrac{g}{r}}\times\dfrac{1}{2\pi}

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Using value for the revolutions per minute

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n=29.4

Hence, Nearest, the revolutions per minute will be 29.

7 0
3 years ago
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