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2 years ago

10

Model with mathematics. A bus can hold no more than 86 students. Write an inequality to describe the situation. - Graph the ineq

uality

1 answer:

ki77a [65]2 years ago

8 0

Answer:

x less than or equal to 86

Step-by-step explanation:

this is because x represents the number of people since the bus cant hold anymore than 86 you can only have 86 or less people on the bus

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In shop a crunchy peanut butter costs $325 for 250g

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3 years ago

A car has mass 1500 kg and is traveling at a speed of 35 miles/hour. what is its kinetic energy in joules? (Be sure to convert m

photoshop1234 [79]

Answer:

Factor by which kinetic energy increase = 4 times

Step-by-step explanation:

Given,

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$=\dfrac{35\times 1609.34}{3600}\ m/s$

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Initial kinetic energy of the car is given by,

$k_1\ =\ \dfrac{1}{2}.m.v_1^2$

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$=\dfrac{70\times 1609.34}{3600}$

= 31.29 m/s

So, final kinetic energy of car is given by

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= 734425.84 J

Now, the ratio of final to initial kinetic energy can be given by,

$\dfrac{k_2}{k_1}=\ \dfrac{734425.84}{183606.46}$

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Hence, the kinetic energy will increase by 4 times.

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2 years ago