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Kruka [31]
3 years ago
6

Dylan is set to receive a football kickoff. After being kicked, the ball goes up to a height of 55m before starting back down. H

ow much time does he have before the ball comes back down?​
Physics
2 answers:
Georgia [21]3 years ago
6 0

Answer:

                   

Explanation:

 

Yanka [14]3 years ago
3 0

Answer:

There was no anwser

Explanation:

because dylan did not anwser

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What is the The most appropriate SI unit for measuring the length of an automobile
Ugo [173]
If you're talking about S.I. Unit then it must be "meter" (nothing else). Meter is the only S.I. Unit of length and it also uses in measuring the length of an automobile 'cause it varies from few meters to several thousand meters.

In short, Your Correct answer would be "meter" (m)

Hope this helps!
7 0
3 years ago
1.
Shalnov [3]

Answer:

No.

Explanation:

Given the following :

Velocity (V) of ball = 5m/s

Radius = 1m

Can the ball reach the highest point of the circular track

of radius 1.0 m?

The highest point in the track could be considered as the diameter of the circle :

Radius = diameter / 2;

Diameter = (2 * Radius) = (2*1) = 2

Maximum height which the ball can reach :

Using the relation :

Kinetic Energy = Potential Energy

0.5mv^2 = mgh

0.5v^2 = gh

0.5(5^2) = 9.8h

0.5 * 25 = 9.8h

12.5 = 9.8h

h = 12.5 / 9.8

h = 1.2755

h = 1.26m

Therefore maximum height which can be reached is 1.26m.

Since h < Diameter

7 0
3 years ago
I need help with these questions ☺️☺️
Mariana [72]

Answer:

1. well the value may vary because of different reactions to the technology because its new to a lot of people but to younger ones its something normal and something we cant live without but with older ones its something that they have lived without for most of there life.

Explanation:

6 0
3 years ago
Easy question. Answer should include one line reasoning
KATRIN_1 [288]
C.figure 3 is the answer had the same and got is right
7 0
3 years ago
Read 2 more answers
For each of the statements below, decide which of the Maxwell equations (forstaticsituations) tells you that the statement is tr
Vladimir79 [104]

Answer:

(a)There are no magnetic monopoles. true

(c) There must be a vector potential. true

(d) Charges create electric fields.2. true

Explanation:

a) there are no magnetic monopoles because magnetic field is created by charges (electrons) and these electrons have dipole field so it is not possible to have magnetic dipoles, more ever Gauss's law always explained that there are not magnetic dipoles. furthermore magnetic monopoles aree caused by magnetic charges and we have electric charges.

c)vector potential is a vector field which serves as a potential for magnetic field so, the magnetic field B by Faraday and Gauss's law is also known as vector potential.

d) electric field is solely generated by charges be it static charges or moving charges if there are no charges it is not possible to have an electric field.

3 0
3 years ago
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