Ask question

Ask question

All categories

3 years ago

11

Suggest a form of renewable energy that could be used to power an electric ticket machine that only needs to work during dayligh

t hours

1 answer:

Pachacha [2.7K]3 years ago

3 0

Answer:

solar energy using solar panels

Explanation:

You might be interested in

ss7ja [257]

B Ik it all just know who they’ll you

8 0

3 years ago

4. Explain how states of matter change in regards to<br> a. Temperature-<br> b. Pressure-

Alina [70]

Temperature can change the state from solid to liquid causing it to melting, liquid to gas causing vaporization or a solid to a gas causing sublimation. Pressure alone cannot change the state of matter.

5 0

3 years ago

a bucket of water of mass 20kg is pulled at a constant velocity up to a platform 40 meters above the ground. this takes 10 minut

erma4kov [3.2K]

<span>Taking into account the information above, we know the average mass of the bucket of water may be m=20-5/2=17.5kg. As the bucket of water is pulled at a "constant velocity" the work required to raise the bucket to the platform transformed into the potential energy of the bucket of water. That is why it should be W=mgh=17.5*9.8*40=6860J</span>

5 0

3 years ago

What provides the power to move the cutting blade on a sawmill?

Lynna [10]

Sawmills rely on electricity to run the cutting blade.

3 0

4 years ago

Read 2 more answers

a large truck has a mass of 20000kg. it is traveling at 28m/s along a staright road . calculate the kinetic energy

Semmy [17]

Answer:

The answer is

<h2>7,840,000 J</h2>

Explanation:

The kinetic energy KE of an object given it's mass and velocity can be found by using the formula

$KE = \frac{1}{2} m {v}^{2} \\$

where

m is the mass

v is the velocity

From the question

m = 20000kg

v = 28 m/s

It's kinetic energy is

$KE = \frac{1}{2} \times 20000 \times {28}^{2} \\ = 10000 \times 784$

We have the final answer as

<h3>7,840,000 J</h3>

Hope this helps you

3 0

4 years ago