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3 years ago

What is the mass of an 291pound persond

Physics

1 answer:

Luden [163]3 years ago

4 0

Well, it also depends on the height... but say if they were 5'3" and 291 pounds...
their BMI would be

51.55

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A car moves at a speed of 40 miles per hour for half an hour and then at 60 miles per hour for two hours. What is the average sp

katovenus [111]

Answer:

The average speed for the entire trip is 56 miles/hour.

Explanation:

It is given that,

Initially, the car moves with a speed of, v₁ = 40 miles/hour

Initial time, t₁ = 0.5 hours

Distance covered during time t₁,

$d_1=v_1t_1$

$d_1=40\times 0.5$

$d_1=20\ miles$

Then it travels with a speed of, v₂ = 60 miles/hour

Then time taken, t₂ = 2 hours

Distance covered during time t₂,

$d_2=v_2t_2$

$d_2=60\times 2$

$d_2=120\ miles$

The average speed of the car can be calculated as :

$v=\dfrac{d_1+d_2}{t_1+t_2}$

$v=\dfrac{120+20}{0.5+2}$

v = 56 miles/hour

So, the average speed of the car for the entire trip is 56 miles/hour. Hence, this is the required solution.

7 0

4 years ago

Two lightbulbs work on a 120-V circuit One 50 W and the other is 100 W. Which bulb has a higher resistance? Explain pls!!!!

Sladkaya [172]

Answer:

Bulb 1 has more resistance.

Explanation:

Given that,

Two lightbulbs work on a 120-V circuit.

The power of circuit 1, P₁ = 50 W

The power of circuit 2, P₂ = 100 W

We need to find the bulb that has a higher resistance.

The power of the bulb is given by :

$P = \dfrac{V^2}{R}$

For bulb 1,

$R_1=\dfrac{V^2}{P_1}\\\\R_1=\dfrac{(120)^2}{50}\\\\R_1=288\ \Omega$

For bulb 2,

$R_2=\dfrac{V^2}{P_2}\\\\R_2=\dfrac{(120)^2}{100}\\\\R_2=144\ \Omega$

So, bulb 1 has higher resistance.

8 0

3 years ago

What type of stimulus do we tend to be particularly aware of ?

Volgvan

Emotional stimuli is the answer to your question.

7 0

3 years ago

Ball A was carried to the top of a hill in a straight line, while ball B was carried in a longer, zigzag path. At the top of the

marissa [1.9K]

Answer: equal

Explanation:

Don’t know why honestly

5 0

3 years ago

Read 2 more answers

"The ________ method can determine whether a string contains a value that can be converted to a specific data type before it is

dem82 [27]

Answer:

The method to determine whether a string contains a value that can be converted to a specific data type before it is converted to that data type

Explanation:

The Java string includes () method to check whether a particular sequence of character is the part of given sub string or not.

One string contain another string in Java or not.

The indexof() to check the string and substring in java

Hence java string include () method to check whether a string contains a value that can be converted to a specific data type before it is converted to that data type

6 0

3 years ago