3 years ago

How do you solve it?

Mathematics

2 answers:

alexira [117]3 years ago

6 0

52+x would just remain like that because you cannot combine them

Delvig [45]3 years ago

3 0

38 degrees for the acute angle

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Step-by-step explanation:

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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,

Mass of the car, v1 = 1500 kg

initial speed of car = 35 miles/h

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Initial kinetic energy of the car is given by,

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

= 31.29 m/s

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$=\ \dfrac{1}{2}\times 1500\times (31.29)^2$

= 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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Help me I don’t get this.

Marizza181 [45]

Answer:

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Step-by-step explanation:

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