3 years ago

A kicker kicks a ball off the ground at 29.5 mi/hr and at 42.5 degrees.

Physics

1 answer:

deff fn [24]3 years ago

4 0

Answer:

20.3m

Explanation:

the formula used was

s=(u^2sin^2∆)÷2g

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In an experiment, an object is released from rest from the top of a building. Its speed is measured as it reaches a point that i

NikAS [45]

Answer:

so the speed will increase by 1.44 times then the initial speed if the distance is increased to double

Explanation:

As we know that the air friction or resistance due to air is neglected then we can use the equation of kinematics here

$v_f^2 - v_i^2 = 2 a d$

since we released it from rest so we have

$v_i = 0$

so here we have

$v_f = \sqrt{2gd}$

now if the distance is double then we have

$v_f' = \sqrt{2g(2d)}$

now from above two equations we can say that

$v_f' = \sqrt2 v_f$

so the speed will increase by 1.44 times then the initial speed if the distance is increased to double

4 0

3 years ago

Momentum of an object is determined to be 7.2 ×10 to the negative 3 kg

abruzzese [7]

Answer:

0.0072

Explanation

7.2x10^-3= 0.0072

6 0

3 years ago

PLS HELP

Ahat [919]

"This was the idea that non-living objects can give rise to living organisms."

7 0

3 years ago

How many work is done when a force of 33n pulls wagon 13meters

goldenfox [79]

Work = force x distance
$13 \times 33 = 429$
the answer is 429 joules

good luck

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3 years ago

Why does the total amount of energy before and after<br> any energy transformations remain the same?

snow_tiger [21]

The Law of Conservation of Energy states that, in an isolated system, energy remains constant and can not be created or destroyed, only transferred from one form to another. This law was created by Julius Robert Mayer.

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3 years ago

Read 2 more answers