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2 years ago

How is the acceleration of an object in free fall related to the acceleration due to gravity?

Physics

1 answer:

konstantin123 [22]2 years ago

5 0

Answer:

When objects fall to the ground, gravity causes them to accelerate. ... Gravity causes an object to fall toward the ground at a faster and faster velocity the longer the object falls. In fact, its velocity increases by 9.8 m/s2, so by 1 second after an object starts falling, its velocity is 9.8 m/s.

Explanation:

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If a ball is thrown vertically upward with a velocity of 80 ft/s, then its height after t seconds is s = 80t − 16t 2 . (a) what

MAXImum [283]

Max height occurs when v = 0.
v(t) = ds(t)/dt
v(t) = 80 - 32t
0 = 80 - 32t
t = 5/2

s(5/2) = 80(5/2) - 16(5/2)^2
s(5/2) = 100
Answer: 100 ft

96 = 80t - 16t²
t = 3, 2
(80 ± √256) / 32 using the quadratic equation.

v(2) = 16
v(3) = -16

4 0

2 years ago

Trees, birds, and bacteria are all similar because they are all formed from —

Aneli [31]

Atoms. Atoms make every living thing

3 0

2 years ago

It is determined that a certain wave of infrared light has a wavelength of 8.45 mm. Given that c=2.99 ×108 m/s, what is the freq

irina [24]

Answer:

The frequency of infrared wave is 35.385 GHz

Explanation:

Given data:

Wavelength of infrared light = 8.45 mm = 8.45 x $10^{-3}$ m

Velocity of infrared light = 2.99 x $10^{8}$ m/s

To find: frequency of the infrared wave = ?

We know that the wavelength and frequency are inversely proportional and the formula to derive frequency with velocity and wavelength is:

c = μλ, where

c is velocity of light

μ is frequency of light

λ is wavelength of light

Hence the frequency of light μ = c/λ

= $\frac{2.99 x 10^{8} m/s }{8.45 x 10^{-3}m }$

= $\frac{299}{8.45}$ x $10^{9}$ $s^{-1}$

= 35.385 x $10^{9}$ Hz (since 1 $s^{-1}$ = 1 Hz)

= 35.385 GHz

6 0

3 years ago

Read 2 more answers

Help mee plss its very urgent i need this before 11 pm est

dmitriy555 [2]

Answer:

7. 2 kg

8. 0.5 kg

9. 4 kg

Explanation:

The equation is F=MA

where F is force in Newtons

M is mass in kg

A is acceleration in m/s^2

for each you substitute in the F and A, and you are finding M. Meaning you divide F by A.

M = F/A

6/3 = 2

6/12 = 0.5

20/5 = 4

6 0

2 years ago

Read 2 more answers

If a triangle is a right triangle, then the other two angles must be acute. true or false

skelet666 [1.2K]

That depends on which angle you picked first, because that determines
which angles "the other two" are.

If you picked the right angle (90°) first, before you asked the question,
then the other two are acute angles, and they're also complementary

5 0

3 years ago