Which of newton’s laws is connected to observations made by galileo?

You've already gathered data to measure the relationship between reading skills and extroversion. Now, you look at the data to d

scoundrel [369]

B. Analyzing results

Researching is composed of various explorations in utilizing the scientific method in the process. It also, answers any scientific inquiry with the use of scientific method. Research enables and promotes the scientific community at a larger scale. Contributing and collaborating knowledge all-over the people and persons in science. Researches play a big role in everyone’s academic identity because
1. It actively makes the individual scientific in approach to things of curiosity and makes him/her use the knowledge to study and produce results which 
2. The scientific society will benefit by this particular study and can work together to better explore and discover.

4 0

3 years ago

Read 2 more answers

The old-fashioned record player had two speeds: one for long-playing albums (LP) and one for singles. The turntable speed for LP

eimsori [14]

Answer:

$\alpha = 0.305 rad/s^2$

Explanation:

initial frequency of revolution is given as

$f_1 = 100/3 rpm$

now initial angular speed is

$\omega_i = 2\pi f$

$\omega_i = 2\pi(\frac{100}{3\times 60})$

$\omega_i = 3.49 rad/s$

Similarly final angular speed is given as

$\omega_f = 2\pi f_2$

$\omega_f = 2\pi(\frac{45}{60})$

$\omega_f = 4.71 rad/s$

Now angular acceleration is given as

$\alpha = \frac{\omega_f - \omega_i}{\Delta t}$

$\alpha = \frac{4.71 - 3.49}{4}$

$\alpha = 0.305 rad/s^2$

3 0

3 years ago

What geologic structures are associated with earthquakes?

RUDIKE [14]

Tectonic Plates. Usually, they shift and can overlap, underlap, push against, slide against, and pull apart from each other,

7 0

4 years ago

Power can be defined as the rate at which ______ is changed

mote1985 [20]

It’s d energy because it’s referring to power changing because the power unit is (J/s) joule per second known as watt which is the same as implieing power

8 0

3 years ago

Read 2 more answers

Contestants on a ski jump push off hard and typically have a speed of 2 m/s as they reach the starting gate at the top of the ra

Katarina [22]

Answer:

h = 50.6 m

Explanation:

Principle of work and energy

ΔE = W

where:

ΔE: mechanical energy change (J)

W : work of the non-conservative forces (J)

ΔE = Ef-Ei

Ef : final mechanical energy

Ei : initial mechanical energy

K =(1/2 )mv² : Kinetic energy (J)

U= mgh :Potential energy (J)

m: mass (kg)

v : speed (m/s)

h: high (m)

Data

m = 85 kg : mass of the skier

vi = 2 m/s : Initial speed of the skier

vf = 30 m/s : Final speed of the skier

hf = 0 Final high of the skier

W = - 4000 J ; Work of the friction force and force of the air resistance

g = 9.8 m/s² : acceleration due to gravity

Principle of work and energy to the skier

ΔE = Ef-Ei

Ef = Kf + Uf = (1/2 )m(vf)² + mg(hf)= (1/2 )85(30)² + mg(0)= (1/2 )85(30)² J

Ei = Ki + Ui = (1/2 )m(vi)² + mg(hi) = ( (1/2 )85(2)² + 85*9.8(h) ) J

ΔE = Wf

Ef - Ei = Wf

(1/2 )(85)(30)² -( (1/2 )(85)(2)² +( 85)*9.8(h) ) = -4000

We factor 85 and pass it to the other side of the equation to divide

(1/2 )(30)² - (1/2 )(2)² - 9.8 (h) = -4000/85

450 - 1 - 9.8 (h) = -47.0588

449 - 9.8 (h) = -47.0588

449 +47.0588 = 9.8 (h)

496.0588 =9.8 (h)

h =496.0588/ 9.8

h = 50.6 m

3 0

3 years ago