What is the relationship between mass and weight in terms of formula

Answers

Answer 1

Answer:
Mass is a measure of the amount of matter contained by an object, while weight is a measure of the gravitational pull on an object. As the gravitational force exerted by Earth is the constant upon which mass is calculated, the values of an object's mass and weight on Earth are approximately equal depending on geographic location.

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Which of the following describes the energy transformation that takes place when a boy eats an apple and then lifts weights?1. Chemical energy is converted to mechanical and heat energy.
2.Chemical energy is converted to mechanical energy.
3. Chemical energy is converted to heat energy.
4. Chemical energy is converted to mechanical and kinetic energy.

Answers

the correct answer is 1. Chemical energy is converted to mechanical and heat energy.

When the boy eats apple, the chemical energy of the apple first converted in the heat energy in the process of digestion, which maintains our body temperature, than the body of the boy converts the heat energy into mechanical energy.

Therefore the correct option is 1.

Answer:

Chemical energy is converted to mechanical and heat energy.

Explanation:

How many liters are equivalent to 500 centiliters

Answers

1000 centiliters = 1 liter.

500 centiliters = x liter

1000 / 500 = 1/x Cross multiply

1000x = 500 Divide by 1000

x = 500/1000

x = 1/2

500 centiliters = 1/2 or 0.5 of a liter.

For the conversion process, 500 centiliters is equivalent to 5 liters.

How to do conversions?

Centiliters (cL) and liters (L) are both units of volume. Centiliters are a smaller unit, while liters are a larger unit. To convert from centiliters to liters, use the conversion factor of 100 centiliters per 1 liter.

In the given scenario, there is 500 centiliters. To convert this to liters, divide the number of centiliters by 100. This division accounts for the fact that there are 100 centiliters in 1 liter.

Given:

500 centiliters (cL)

To convert 500 centiliters to liters:

500 cL ÷ 100 = 5 liters

Therefore, 500 centiliters is equivalent to 5 liters.

Find out more on centiliters here: brainly.com/question/30130125

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A metal ball of mass 2 kg is supported by a massless inextensible string, 12 cm long. A horizontal force displaces the ball by 30oto the vertical so that the string remains taut. Find:a) the horizontal force.b) the tension in the thread.

Answers

As it is given that 2 kg mass is suspended by 12 cm long thread and then a horizontal force is applied on it so that it remains in equilibrium at 30 degree angle

So here we can use force balance in X and Y directions

now for X direction or horizontal direction we can use

$F = Tsin30$

for vertical direction similarly we can say

$mg = T cos30$

so here we first divide the two equations

$(F)/(mg) = (sin 30)/(cos 30)$

$(F)/(mg) = tan 30$

$F = mg tan30$

now plug in all values in the above equation

$F = 2 * 9.8 * tan30$

$F = 11.3 N$

Part b)

now in order to find the tension in the thread we can use any above equation

$F = T sin30$

$11.3 = T sin30$

$T = (11.3)/(sin30)$

$T = 22.6 N$

so tension in the thread will be 22.6 N

What is the kinetic energy of a baseball moving at a speed of 40 m/s if the baseball has mass of 0.15 kg?

Answers

Kinetic Energy = 1/2 Mass (kg) * velocity squared (m/s)

KE = 1/2mV^2

KE = 1/2(0.15 kg)(40 m/s)^2

The answer is 120 joules.

0.5mv^2 > 0.5*0.15*40*40=120J

Which one of the following is a measurement of energy used?A.
24 meters per second

B.
60 milligrams

C.
15 liters

D.
6 joules

Answers

The correct answer to the question is D) 6 joules.

EXPLANATION:

As per the question, four measurements are given i.e 24 m/s, 60 mg, 15 L and 6 J.

We are asked to determine the measurement which corresponds to energy.

Energy is measured in various units like joule, erg, electron volt etc.

Joule is the unit of energy in S.I system.

Hence, the correct measurement which corresponds to energy is 6 joules.

All other measurements like 24 m/s, 60 mg and 15 L are not the measurements of energy. These are the measurements of speed, mass and volume respectively.

D. 6 Joules trust me i work with cars so i have to know this

In order for a color to be seen by a human, the light must be what?

Answers

The light must be within a certain, rather narrow, range
of wavelength/frequency, and it must enter his eye.

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