If chris throws a baseball 60 meters in 4 seconds, what is the average speed of the football?

Answers

Answer 1

Answer: The average speed of the football is 15 meters per second. Just divide both of the numbers by 4 :)

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How can you tell animal and plant cells apart

Answers

Well there are a couple ways. 1: The easiest, plant cells have a cell wall or extra protection. You will not find this on an animal cell, as there is only a membrane. 2: Chloroplast. This also will not be found in animal cells as they produce the plant's green color as well as the sugar. Hope this helps!

You or your personal trainer should always use the _____ safety screening.PAC-R
PAR-Q
PRA-Q
Heart Rate Consultation

Answers

The answer to the question presented above would be PAR-Q or the Physical Activity Readiness Questionnaire. The purpose of this questionnaire is to identify if you have any medical risks and to know your overall medical background for future reference of prevention of complications whenever you're training.

Answer:

Its PAR-Q

Explanation:

i think

A car tire is fully inflated to a pressure of 32 psi at 25 °C. After driving for 2 hours, the volume of the tire is unchanged, but pressure of the tire is now 36 psi. What is the new temperature of the gas inside the tire?What caused this change?

Answers

Answer:

50.5°C

Explanation:

Start with the ideal gas law:

PV = nRT

Rearranging:

P/T = nR/V

Since the right side is constant (volume and mass don't change):

P₁ / T₁ = P₂ / T₂

This equation is also known as Gay-Lussac's law. Plugging in the values (make sure to use absolute pressure and temperature):

(32 psi + 14.7 psi) / (25 + 273.15) K = (36 psi + 14.7 psi) / T

Solving for T:

T = 323.69 K

T = 50.5°C

What is less dense region of a compression wave

Answers

The less dense region of a compression wave is called Trough.

L 10. A car with a mass of 2,000 kilograms is moving around a circular curve at a uniform velocity of 25 meters per second. The curve has a radius of 80 meters. What is the centripetal force on the car?

Answers

Centripetal Force, F = mv²/r

Where m = mass in kg, v = velocity in m/s and r = radius of curvature in m.

Centripetal Force, F = 2000 * 25² / 80. Use your calculator.

F = 15 625 N.

List several examples that show how electrical energy and light energy are useful to you

Answers

electrical energy and light energy are useful to us in variety of ways from the machines used to make the food you eat to the energy to purify the water you drink. The clothes you wear are even dyed different colors from the light energy.

Final answer:

Electrical energy is useful for powering electronic devices and transportation systems, while light energy allows us to see and supports important processes like photosynthesis.

Explanation:

Electrical energy and light energy are useful in various ways in our daily lives.

Electrical energy:

Powering electronic devices such as computers, smartphones, and kitchen appliances.
Providing lighting in homes, offices, and streets.
Running transportation systems like electric cars, trains, and subways.

Light energy:

Allowing us to see our surroundings and providing vision.
Supporting the process of photosynthesis in plants, which is vital for the production of our food and oxygen.
Used in various medical applications such as X-rays, ultraviolet therapy, and laser surgeries.

Learn more about Usefulness of Electrical Energy and Light Energy here:

brainly.com/question/26393006

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Two diverging light rays, originating from the same point, have an angle of 5° between them. After the rays reflect from a plane mirror, what is the angle between them? Construct one possible ray diagram that supports your answer.

Which statement is true about how objects appear to bend that are partially submerged in water?They appear to bend at the surface due to reflection. They appear to bend at the surface due to refraction. They appear to bend at the surface due to diffraction. They appear to bend at the surface due to interference