Contents
- 1 Which form of energy does not require matter for traveling through space?
- 2 What fraction of our nation’s current energy needs are supplied by renewable sources?
- 3 When you throw a ball into the air its kinetic energy?
- 4 Which indicates what happens to the kinetic energy when the mass of a moving object increases?
- 5 Which transfer does not need matter?
- 6 What is the only form of heat transfer that does not require matter?
- 7 Which renewable energy is used most to generate electricity?
- 8 What percent of electricity is renewable?
- 9 What percentage of China’s energy is renewable?
- 10 What factors affect kinetic energy?
- 11 What factors affect the energy of the ball?
- 12 What kind of energy does a ball have as it strikes the floor?
- 13 What is the kinetic energy of a 150 kg object?
- 14 How does the kinetic energy of a moving body depends on its speed?
- 15 What do you call the kind of energy an object gains or lost?
Which form of energy does not require matter for traveling through space?
The transfer thermal energy by radiation (does not) require matter.
What fraction of our nation’s current energy needs are supplied by renewable sources?
In 2017, about 10 percent of the total U.S. energy consumption came from renewable energy – including biomass, geothermal, hydropower, solar and wind – and about 17 percent of the nation’s electrical consumption came from renewable sources.
When you throw a ball into the air its kinetic energy?
When you throw a ball into the air, it’s mechanical energy at any point is the difference in! It’s kinetic energy and gravitational potential energy. As an object falls towards earth, the gravitational potential energy of the object increases!. You just studied 12 terms!
Which indicates what happens to the kinetic energy when the mass of a moving object increases?
Which indicates what happens to the kinetic energy when the mass of a moving object increases? The kinetic energy does not change. The kinetic energy increases by the same factor as the mass increase.
Which transfer does not need matter?
Thermal Energy Review
| A | B |
|---|---|
| conduction | The transfer of thermal energy through matter by diret ontact of particles |
| convection | the transfer of thermal energy by the movement of matter |
| radiation | a type of energy transfer that does not require matter |
| insulator | Any material in which thermal energy doesn’t flow easily |
What is the only form of heat transfer that does not require matter?
Thermal radiation is one of three ways that thermal energy can be transferred. The other two ways are conduction and convection, both of which need matter to transfer energy. Radiation is the only way of transferring thermal energy that doesn’t require matter.
Which renewable energy is used most to generate electricity?
Wind energy was the source of about 7% of total U.S. electricity generation and about 42% of electricity generation from renewable energy in 2019. Wind turbines convert wind energy into electricity. Biomass was the source of about 1% of total U.S. electricity generation in 2019.
What percent of electricity is renewable?
In 2019, renewable energy sources accounted for about 11% of total U.S. energy consumption and about 17% of electricity generation. Preliminary data.
What percentage of China’s energy is renewable?
Although China currently has the world’s largest installed capacity of hydro, solar and wind power, its energy needs are so large that in 2019, renewable sources provided 26% of its electricity generation—compared to 17% in the U.S.A.—with most of the remainder provided by coal power plants.
What factors affect kinetic energy?
Answer. Answer: There are two factors that affect how much kinetic energy a moving object will have: mass and speed.
What factors affect the energy of the ball?
Gravitational Potential Energy is determined by three factors: mass, gravity, and height.
What kind of energy does a ball have as it strikes the floor?
As the ball falls towards the ground, its potential energy is transformed into kinetic energy, which will continue increasing as it gains momentum, until it finally collides with a surface.
What is the kinetic energy of a 150 kg object?
What is the kinetic energy of a 150 kg object that is moving at a speed of 15 m/s? KE=1/2 X 150 X 15^2=16,875 Joules.
How does the kinetic energy of a moving body depends on its speed?
This equation reveals that the kinetic energy of an object is directly proportional to the square of its speed. That means that for a twofold increase in speed, the kinetic energy will increase by a factor of four. For a threefold increase in speed, the kinetic energy will increase by a factor of nine.
What do you call the kind of energy an object gains or lost?
Answer: Potential or kinetic energy. eddibear3a and 13 more users found this answer helpful.