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Tomtit [17]
3 years ago
14

Photosynthesis is an example of an exothermic chemical reaction in which plants use sunlight to make glucose and oxygen.

Physics
1 answer:
Triss [41]3 years ago
4 0

Answer:

OF i'm pretty sure.

Hope this helps

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Two balls are thrown from a cliff. One is thrown directly up, the other directly down. Both balls have the same initial speed, a
Otrada [13]

Answer:

both the same

Explanation:

When a ball is thrown vertically upwards, it experiences that same acceleration due to gravity as an object thrown directly downwards.

This means that if we ignore the effects of air resistance, and the two balls have the same initial speed, they are expected both expected to hit the ground at the same speed as a result of the principle of conservation of energy.

8 0
2 years ago
Which change would cause the largest increase in a mountain climber’s gravitational potential energy?
love history [14]
Increase in height can cause climber's gravitational potential energy greater than any other mean

Hope this helps!
4 0
2 years ago
student built a simple heat engine that could lift masses. If the heat engine takes in 300 J of heat and loses 50 J to the envir
k0ka [10]

Answer:

So it will lift the mass by h = 17 m

Explanation:

As per energy conservation we know that

Q_1 = W + Q_2

here we know that

Q_1 = 300 J

Q_2 = 50 J

now we have

W = 300 - 50

W = 250 J

so work done by the engine is 250 J

now we have

W = mgh

250 = 1.5 \times 9.81 \times h

h = 17 m

4 0
3 years ago
An average man is 80 k (800 N) and the area of the shoes he is wearing is 0.0092 m2. What is the pressure he is exerting on the
S_A_V [24]

Answer:

P = 86956.52 Pa

Explanation:

Data:

  • F = 800 N
  • A = 0.0092 m²
  • P = ?

Use the formula:

  • \boxed{\bold{P=\frac{F}{A}}}

Replace and solve:

  • \boxed{\bold{P=\frac{800\ N}{0.0092\ m^{2}}}}
  • \boxed{\bold{P=86956.52\ Pa}}}

The pressure it exerts on the ground is <u>86956.52 Pascal.</u>

Greetings.

7 0
2 years ago
Explain the purpose of a three-valve manifold in closed tank level measurement installations.
mamaluj [8]

Answer:

A three valve manifold serves to protect the capsule from being exposed to pressures above the acceptable range and also enables transmitter isolation from the loop of the process

In closed tank level measurement installations the pressure of the gas if presence of gas on top of the liquid will need to be taken account by the use of a reference connection from the level transmitter to the tank top. The valve used in pressure equalization is kept close when the process system is operating normally.

In the event that the transmitter is removed or put into service, it is necessary to ensure that the gas phase which is at the higher pressure is does not over-range the Differential Pressure DP capsule

Explanation:

7 0
2 years ago
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