PHYSICS MIDDLE SCHOOL

A 0.426 kilogram football is kicked by a punter. If the applied force to the call is 62 Newton’s what is the acceleration of the ball.

Answers

Answer 1

Answer:

Answer: The acceleration is 145.54 m/s^2

Explanation: The second Newton's law says that:

F = m*a

This says that the Force applied on an object is equal to the mass of the object times the acceleration of the object.

We know that the mass of the ball is 0.426kg and the force is 62N, so we have

62N = 0.426kg*a

a=62N/0.426kg= 145.54 m/s^2

Answer 2

Answer:

62/.426=a

154.54= acceleration

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A distance between two consecutive troughs in a wave motion train produced in a string is 5 cm. Find speed of wave , if two complete waves pass through any point per second

Answers

Speed= (frequency) x (wavelength)

= (2 per second) x (5 cm) = 10 cm/sec .

1. Initial velocity 5m/s, finalvelocity 36km/hr,
acceleration 1.25m/s/s.
Distance?

Answers

Answer:

31.25m

Explanation:

Check attachment

Answer:

1.25ml

Explanation:

multioply

In 3-5 sentences, use your own words to explain how electricity gets from power plants to our homes.Use the "RAP" method to answer this question:

Restate the question
Answer the question
Prove your answer citing textual evidence from the course.
Don't forget to proofread your answer.

Answers

Answer:

so your wondering how electricity goes from power plants to your home? well, here's why.The electrical charge goes through high-voltage transmission lines that stretch across the country. It reaches a substation, where the voltage is lowered so it can be sent on smaller power lines. It travels through distribution lines to your neighborhood.

Electricity goes from power plants to our homes through a step-down transformer. This helps the voltage to be lowered because electricity has to have high amounts of voltage to travel. So once it’s been lowered, electricity gets transferred to smaller wires that connect to our outlets.

A transverse wave has an amplitude of 2.4m. What is the vertical distance, in meters, between the top of a Crest and the bottom of a Trough?

Answers

Answer:

4.8 m

Explanation:

A transverse wave is a wave in which the oscillation of the particles occur in a direction perpendicular to the direction of motion of the wave.

The amplitude of a transverse wave is the maximum displacement of the wave with respect to the equilibrium position.

The crest of a wave is the position of maximum displacement on the positive side, while the trough of a wave is the position of maximum displacement on the negative side.

This means that the amplitude of a wave is equal to the distance between a crest (or a trough) and the equilibrium position.

Therefore, we have:

$d=2A$