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krek1111 [17]
2 years ago
5

A greenhouse is an example of a(n) __________________________________. Question 7 options: active solar energy system. biomass g

enerator. passive solar energy system. nonrenewable energy source.
Physics
1 answer:
Ray Of Light [21]2 years ago
8 0
An Active solar energy system because it uses the sun to heat up the green house an I’m return the plants grow an produce food
You might be interested in
What are the units for measuring current and voltage
Alina [70]

The unit for measuring current is an " ammeter ".
The unit for measuring voltage is a " voltmeter ".

The unit of measure for electrical current is the " Ampere ".

The unit of measure for potential difference (voltage) is the " volt ".


8 0
3 years ago
Scientists can find the absolute age of a rock by using
yaroslaw [1]

Explanation:

Carbon-14 is normally used to date living organisms (all living things we know today contain mostly carbon).   It can be used for samples up to about 60000 years old.  Carbon-12 is the non-radioactive form that we encounter daily.  Relative dating determines dates relative to each other, such as ordering of period or events.

Uranium 235 dating can determine date samples a million years old and up, so is more suited for rocks.

6 0
3 years ago
You serve a volleyball with a mass of 1.4 kg. The ball leaves with a speed of 13 m/s. Calculate KE
NemiM [27]

Answer:

118.3 J

Explanation:

Givens:

m = 1.4 kg

V = 13 m/s

Formula for kinetic energy:

KE = (1/2)*(m)*(v)^2

KE = .5*(1.4 kg)*(13 m/s)^2

KE 118.3 J

J = Joules

7 0
3 years ago
Which of the following statements about sidewall markings is correct? a. The load index is given as a letter. b. The traction an
vagabundo [1.1K]

Answer: all the above options are correct.

Explanation:

In sidewall markings,the load index is given as a letter,traction and temperature ratings are based on the speed rating of the tire,the tire's recommended inflation pressure and load are indicated and the DOT code indicates when and where the tire was made.

8 0
3 years ago
An ideal spring is hung vertically from the ceiling. The spring constant is k = 125 N/m. A block of mass m = 650 g (1000 g = 1 k
Brrunno [24]

Answer:

0.102 m

Explanation:

k = spring constant of the spring = 125 N/m

m = mass of the block attached to the spring = 650 g = 0.650 kg

x = maximum extension of the spring

h = height dropped by the block = x

Using conservation of energy

Spring potential energy gained = Gravitational potential energy lost

(0.5) k x² = mgh

(0.5) k x² = mgx

(0.5) (125) x = (0.650) (9.8)

x = 0.102 m

3 0
3 years ago
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