All categories

3 years ago

Throwing a football is what type of energy

Physics

2 answers:

Finger [1]3 years ago

3 0

Answer:

Chemical potential energy

Explanation:

Because you utilize the energy in ur body obtained from eating to throw the football. Thus chemical potential energy

mezya [45]3 years ago

3 0

Answer:

gravitational potential energy

The main types of used energy that are used in a football are kinetic energy and heat energy. So when the quarterback is about to throw the football, or the kicker is about to kick the football, there is 100% of gravitational potential energy.

You might be interested in

A traveling wave is described by the following function y=0.12 cos (4x +2t). Here y(x,t) is the displacement of the particle at

sveticcg [70]

Answer:

d. 0.5 m/s along -x direction

Explanation:

Wave: A wave is a disturbance, that travels through a medium and transfers energy from one point to another, without causing any permanent displacement of the medium itself.

The general equation of a traveling wave can be expressed as

y = Acos(2πft-2πx/λ).................................. Equation 1

Where A = amplitude of the wave, f = frequency of the wave, λ = wavelength of the wave, x = linear distance, t = time, π = pie.

From the question,

the equation of the moving wave is

y = 0.12cos(4x+2t) ................................... equation 2

Comparing equation 1 and 2

-2πx/λ = 4x

λ = -2π/4

λ = -2(3.14)/4

λ = -1.57 m.

Also,

2πft = 2t

f = 2t/2πft

f = 1/π

f = 1/3.14

f = 0.3185 Hz.

Recall that

v = λf.......................... Equation 3

Substitute the value of f and λ into equation 3

v = -1.57(0.3185)

v = - 0.5 m/s.

Note: v is negative because - x direction

Hence the right option is d. 0.5 m/s along -x direction

5 0

4 years ago

An aircraft, traveling northward, lands on a runway with a speed of 79 m/s. Once it touches down, it slows to 6.0 m/s over 785 m

Musya8 [376]

Answer:

$-3.95m/s^2$ , South

Explanation:

We are given that

Initial speed of aircraft,u=79 m/s

Final speed of aircraft,v=6 m/s

Distance,s=785 m

$v^2-u^2=2as$

Substitute the values

$(6)^2-(79)^2=2a(785)$

$36-6241=1570a$

$-6205=1570a$

$a=-\frac{6205}{1570}=-3.95m/s^2$

Where negative sign indicates that the direction of acceleration is opposite to direction of motion.

Therefore, the direction of acceleration is south.

5 0

4 years ago

As you drive away from a radio transmitter, the radio signal you receive from the station is shifted to longer wavelengths.True

Eddi Din [679]

Answer:

True

Explanation:

The radio transmitter generates the radio frequency

As you move away from the radio transmitter, the radio frequency decreases

The relationship between frequency and wavelength is inverse

As the frequency decreases the wavelength of the radio signal increases

5 0

3 years ago

apply concepts what two forces are acting on the blocks as they slide over the wet sand? which one is a noncontact force?

topjm [15]

Gravity is the non contact force.

<h3>What is a Gravity?</h3>

Gravity is a fundamental interaction in physics that causes all objects with mass or energy to attract one another. The electromagnetic force, the weak interaction, and the strong interaction are all significantly stronger than gravity, which is by far the weakest of the four fundamental interactions. As a result, it has no appreciable impact on subatomic particle level phenomena. However, at the macroscopic level, gravity is the most important interaction between things and governs the motion of planets, stars, galaxies, and even light.

On Earth, gravitational pull lends weight to tangible objects, and the moon's gravitational pull generates ocean tides. In addition, gravity plays a significant role in many biological processes, including gravitropism, which directs plant growth, and the movement of fluids in multicellular organisms. Gravity may affect how the immune system and cells differentiate in the human body, according to research on the effects of weightlessness.

To know more about gravity, visit:

brainly.com/question/4014727

#SPJ4

8 0

2 years ago

Is The force of friction always opposite to the motion?

Taya2010 [7]

Answer:

Friction force always acts tangent to the surface at points of contact. Friction force acts opposite to the direction of motion.

Explanation:

8 0

4 years ago