What is the mass of a child if the force of gravity on the child's body is 100 N?

Answers

Answer 1

Answer: Gravity is 9.81m/s^2 on earth F=m×g
100N=(x)kg×9.81m/s^2
x=10.19kg or more than 22lbs

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Two physics students, Ben and Bonnie, are in the weightlifting room. Bonnie lifts the 50 kg barbell over her head (approximately .60 m) 10 times in one minute; Ben lifts the 50 kg barbell the same distance over his head 10 times in 10 seconds. Which student does the most work? Which student delivers the most power? Explain your answers.

an ampere is the si unit of which of the following? electric power, electric current, resistance, electric potential difference

Answers

The Ampere is the SI unit of electric current. This unit is often shortened to "amp" and is abbreviated "A" when placed at the end of a measurement. The name Ampere comes from André-Marie Ampère, and is equal to the flow of one coulomb per second.

Final answer:

An ampere is the SI unit for electric current, not for electric power, resistance or electric potential difference. Other units are used for these concepts, such as watts, ohms, and volts respectively.

Explanation:

An ampere is the standard unit of measurement in the International System of Units (SI) for the quantity of electric current. It is not used as the unit for electric power, resistance or electric potential difference. For instance, electric power is measured in watts, resistance is measured in ohms, and electric potential difference is measured in volts.

Learn more about Ampere here:

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The __________ is the layer of the atmosphere where satellites and the space shuttle orbit the Earth.a. troposphere
c. mesosphere
b. stratosphere
d. exosphere

Answers

Answer: d. exosphere

The exosphere is the outermost layer of the atmosphere of earth. It is present above the thermosphere which is lying above the earth. From this layer, the atoms and molecules escape out, which maintains an environment for the movement of satellites and space shuttles.

The most likely answer, according to an informational article I have read, on the earths atmosphere, is exosphere. Hope it helps! If u need more info, message me!

Nuclear power plants generate __________________.

Answers

it's generate Electricity

An engine raises 100kg of water through a height of 60m in 20s. what is the power of the engine

Answers

Answer:

the answer is 3000

Explanation:

power=mass×gravity×height or (divided by /Time)

so 100kg×10×60m/20s

=60,000/20

=3000joule

if I am wrong correct me

Explain the energy transformations that occur when breaking in a hybrid
vehicle.

Answers

it occur kinetic energy

when breaking in a hybrid

vehicle.

hope it helps

Answer:

it occur kinetic energy when breaking in a hybrid

vehicle .

hope it is helpful to you ☺️

Discuss a physical activity that benefits muscular strength and describe at least two other benefits of performing this activity.

Answers

Yoga- It benefits muscular strength as well as core balance and flexibility.
It also improves respiration, energy and vitality.

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