you kick a soccer ball straight up into the air with a speed of 21.2 m/s. How long does it take he soccer ball to reach its highest point?.

Answers

Answer 1

Answer: about 20-30 secs to reach its full point

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Bees obtain food they need from flowers. The flowers benefit by having their pollen dispersed by the bees as they travel from flower to flower. What type of symbiotic relationship is this?
A bumper car with a mass of 200 kilograms traveling at a velocity of 3.5 meters/second collides with a stationary bumper car with a mass of 250 kilograms. If the two bumper cars stick and move together at a velocity of 2.3 meters/second, what is the kinetic energy of the system after the collision

There is little vertical air movement in the __ because of the cold, heavy air at the bottom of the layer.

Answers

The correct answer is the Mesosphere. Mesosphere is the layer of the Earth's atmosphere that is directly above the stratopause and directly below the mesopause.

Answer:

The correct answer is the Mesosphere. Mesosphere is the layer of the Earth's atmosphere that is directly above the stratopause and directly below the mesopause.

Explanation:

The function of a capacitor in an electric circuit is to?A. measure the amount of current in the circuit.
B. increase circuit power
.C. allow current flow between its plates.
D. store electric charges.

Answers

Well let's see:

A). No. A capacitor doesn't measure anything.

B). No. The power delivered to the circuit is determined by
      the battery or power supply and all the things in
the circuit that dissipate energy. A capacitor doesn't
do any of these things.

C). No. If any current actually flows between its plates,
   the capacitor is shot and can't do its job, and
   must be replaced.

D). Yes. A capacitor stores charges on its plates, and
electrical energy in the field between its plates.

Answer:

D. Stores electric charges

kyle is holding a nag of 250 jelly beans. when mark takes out two jellybeans, kyle is not able to tell a difference. this illustrates

Answers

This illustrates Kyle's inability to accurately sense the weight of the nag.

b.) absolute threshold

(20 POINTS!) A piece of copper (c = 0.385 ) undergoing a temperature change from 150°C to 225°C absorbs 3,500 joules of energy. What is the mass of the piece of copper? Express the answer to the nearest whole number.

Answers

The mass of the piece of copper is equal to 121.2 g when its specific heat capacity is 0.385 J/g°C.

What is the specific heat capacity?

The specific heat capacity can be described as the amount of heat required to raise the temperature in one kilogram of a substance by one-degree Celcius.

The temperature of the material will change whenever the heat is absorbed or lost by it.

Q = mCΔT

Given, the amount of energy transferred, Q = 3500 J

The change in the temperature = 225 - 150 = 75 °C

The specific heat capacity of the copper, C = 0.385 J/g°C

The mass of the piece of copper for the given change in temperatures can be calculated as:

3500 J = m × (0.385 J/g°C) × 75°C

m = 121.2 g

Therefore, the mass of the piece of copper is equal to 121.2 g.

Learn more about specific heat capacity, here:

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#SPJ6

Answer:

121 on edge 23

Explanation:

The rotational speeds of four generators are listed in RPM (revolutions per minute). Arrange the generators in order based on the electric fields they create. Start with the weakest electric field and end with the strongest. Assume that the generators are identical except for their speed.Tiles
3,600 RPM
3,200 RPM
3,400 RPM
3,000 RPM
Sequence

<

<

<

Answers

with the same generator, so the only factor for producing the slectric field is only the speed. The faster the rotational speed of the generator the greater it produce electric field. So the sequence is 3000 rpm < 3200 rpm < 3400 rpm < 3600 rpm

Answer: 3000

3200

3400

3600

Explanation: just took the test 5 out of 5

The forklift exerts a 300.0 N force on the box and moves it 15.0 m into the air. How much work does the forklift do? A. 500 J B. 1.50 * 10^3 J C. 4.50 * 10^3 J D. 0.00 J

Answers

Since the equation for Work is as follows....

Work = Force x Displacement

Your equation is...

Work = 300N x 15m

Work = 4,500 Joules

Answer:

0.00 J

Explanation:

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