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What is the kinetic energy of an automobile with a mass of 1040 kg traveling at a speed of 13.4 m/s?

and

What speed would a fly with a mass of 0.65 g need in order to have the same kinetic energy as a 1250 kg automobile traveling at a speed of 11 m/s?

and

A 65.0 kg diver steps off a diving board and drops straight down into the water. The net force when in the water is an upward 1250 N. If the diver comes to rest 4.0 m below the water's surface, what is the total distance between the diving board and the diver's stopping point underwater?

2007-12-14 01:55:30 · 1 answers · asked by Anonymous in Science & Mathematics Physics

1 answers

Kinetic energy is 1/2 m v² where m is the mass in kilograms and v the velocity in meters per second.

(a) Use the given values to compute the kinetic energy.

(b) Solve the below for v:

1/2 ( .0065 kg ) v² = 1/2 ( 1250 kg ) ( 11 m/s )²

(c) Already answered in previous post.

2007-12-14 01:59:57 · answer #1 · answered by jgoulden 7 · 0 0

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