A wave with a large amplitude has a lot of a.vibration b.speed c.energy

Answers

Answer 1

Answer: A wave with a large amplitude has a lot of a.vibration b.speed c.energy

Answer 2

Answer:

Answer:

A high amplitude wave carries a large amount of energy; a low amplitude wave carries a small amount of energy. The average amount of energy passing through a unit area per unit of time in a specified direction is called the intensity of the wave.

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A helicopter’s speed increases from 30 m/s to 40 m/s in 5 seconds. What is the acceleration of this helicopter? m/s2

Answers

Answer:

The acceleration of this helicopter is $2 m/s2$

Explanation:

In this question the velocity changes from 30 m/sto 40 m/s in 5 seconds.

Initial velocity u= $30m/s$

Final velocity u= $40m/s$

Time t= $5s$

Acceleration is defined as the rate of change of velocity. It is given by the equation

$a= (v-u)/(t)$

= $(40-30)/(5)$

= $(10)/(5)$

= $2 m/s2$

All moving bodies aren’t necessarily accelerated. To be identified as accelerating, a body should have its velocity changing. Thus a body in uniform motion is not accelerating since its velocity is constant.

Answer:

A helicopter’s speed increases from 30 m/s to 40 m/s in 5 seconds.

What is the acceleration of this helicopter?

m/s2

Explanation:

Correct on egde

What is a series circuit? (Definition)

Answers

A series circuit is a circuit in which resistors are arranged in a chain, so the current has only one path to take. The current is the same through each resistor. The total resistance of the circuit is found by simply adding up the resistance values of the individual resistors:

HELP please it is due tomorrow and I don’t understand it..

Answers

Answer: The helium inside the tank is a lot more compressed than the helium in the balloon.

Explanation:

Describe how absorption and scattering can affect a beam of light

Answers

it can scatter the light in all different directions

A shopper pushes a 7.32 kg grocery cartwith a 14.7 N force directed at
-32.7° below the horizontal.
What is the normal force on the cart?

Answers

Answer:

The "normal force" on the "cart" 63.893 N.

Explanation:

To find normal force on the cart, use the equation

Normal force = mg + F sinx,

“m” being the object's mass,

“g” being the acceleration of gravity,

“x” being the angle of the cart

Given values

M = 7.33 kg

F = 14.7 N

$x=-32.7^(\circ)$

$\mathrm{g}=9.8 \mathrm{m} / \mathrm{s}^(2) \text { (g is referred to as the acceleration of gravity. Its value is } 9.8 \mathrm{m} / \mathrm{s}^(2) \text { on Earth }$

Substitute the values in above equation

Normal force = (7.33 × 9.8) + 14.7 sin(-32.7°)

Normal force = 71.834 + 14.7 × (-0.5402)

Normal force = 71.834 - 7.94094

Normal force = 63.893 N

The "normal force" on "the cart" 63.893 N.

The normal force on the cart is 79.7 N

Explanation:

In order to find the normal force, we have to analyze the forces acting on the cart on the vertical direction.

In the vertical direction, we have the following forces:

The weight of the cart, downward, of magnitude , where m is the mass of the cart and g is the acceleration of gravity

The normal force on the cart, upward, we indicate it with N

The component of the pushing force acting in the vertical direction, downward, of magnitude , where F is the magnitude of the force and is the angle of the force with the horizontal

Therefore, the equation of the forces on the cart in the vertical direction is:

where the net force is zero since the cart is balanced in the vertical direction. We have:

We take the angle as positive since we are already considering the downward direction in the equation.

Substituting and solving for N, we find the normal force:

Learn more about forces:

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