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SVETLANKA909090 [29]
3 years ago
10

Picture a person standing with a drawn bow and arrow. He is aiming it at a bull's eye target. What type of energy is being descr

ibed? A)kinetic B)potential C)chemical D)heat
Biology
2 answers:
Thepotemich [5.8K]3 years ago
8 0

Answer: Option (B) is the correct answer.

Explanation:

A potential energy is defined as the energy obtained by a body due to its position.

For example, a person is standing has potential energy.

Whereas kinetic energy is the energy obtained by a body due to its motion.

For example, a person is walking has kinetic energy.

Chemical energy is the energy present in chemical bonds of a chemical substance.

Heat is defined as the flow of thermal energy from a hotter material to a cooler material.

Hence, we can conclude that when we picture a person standing with a drawn bow and arrow. He is aiming it at a bull's eye target then energy is described is potential energy.

Kazeer [188]3 years ago
7 0
This is potential energy because while he was aiming at a bull's eye target, he is storing energy
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Write about the structure and the purpose of Fat or Lipids.
Sidana [21]

Answer:

A lipid is any of various organic compounds that are insoluble in water. They include fats, waxes, oils, hormones, and certain components of membranes and function as energy-storage molecules and chemical messengers.

7 0
3 years ago
Which of the following is not true about non-native species
ZanzabumX [31]

Answer:

C

Explanation:

C is the answer ur looking for ;)

5 0
3 years ago
How many grams of the compound in the figure above are required to make 1 liter of a 0.5 M solution? (Note: The atomic masses, i
Dafna1 [17]

Answer:

This question is incomplete as there is no figure in the question but the compound in the figure is Ethanoic acid (CH3COOH). Hence, we can calculate the mass.

The answer is: 30grams

Explanation:

According to the question, the volume of the compound (CH3COOH) is 1litre while the molar concentration is 0.5M

Molarity or Molar concentration is calculated using the formula:

M= n/V

Where; M= Molarity (M) = 0.5M

n= number of moles (mol)

V= Volume (V) = 1L

Hence, number of moles (n) = M × V

n = 0.5 × 1

n = 0.5 moles.

To calculate the mass in grams of CH3COOH, we say;

Number of moles (n) × molar mass (MM)

Since atomic mass for (C= 12, H= 1 and O=16)

Molar mass of CH3COOH:

= 12 + 1(3) + 12 + 16 + 16 + 1

Molar mass of CH3COOH = 60g/mol

Mass (in grams) of CH3COOH = 0.5 moles × 60g/mol

Mass = 30grams.

Therefore, 30grams of CH3COOH compound are required to make 1 liter of a 0.5 M solution.

6 0
3 years ago
BRAINLY PLEASE HELP
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Axons of the nervous system are described as afferent and efferent according to the direction in which they carry information. W
Ahat [919]

Answer:

The correct option is b) motor output of the spinal cord

Explanation:

Motor neurons, also called afferent neurons, drive impulses from the brain and spinal cord to the receptors (eg, muscles). They are the motor output component of the spinal cord.

The spinal cord is a cord of nerve tissue that runs inside the spine. It conducts the nerve impulses that arrive from the receptors to the brain, and the responses with the motor orders from the brain to the effector organs. Thus, the brain receives the information and can develop an order that modifies the reflex response given by the spinal cord. A spinal nerve has two nerve roots: a motor and a sensory root. The motor root has nerve fibers that carry signals from the spinal cord, to the muscles to stimulate contraction and produce muscle movements, the fibers are efferent as they leave the medulla to the periphery through the anterior roots of the spinal nerves.

5 0
4 years ago
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