Question

A polar bear runs at a speed of

11
 
m
s
11
s
m
​
11, start fraction, start text, m, end text, divided by, start text, s, end text, end fraction with
23
,
000
 
J
23,000J23, comma, 000, start text, J, end text of kinetic energy.
What is the polar bear’s mass?

Answer 1

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Step-by-step explanation:

Answer 2

Based on the given information, the mass of the polar bear is approximately 380.1653 kilograms.

What is a polar bear mass?

To find the mass of the polar bear, we can use the formula for kinetic energy:

Kinetic energy (KE) = (1/2) * mass *
`velocity^2`

Given:

Kinetic energy (KE) = 23,000 J

Velocity (v) = 11 m/s

Rearrange the formula to solve for mass (m), we have:

mass = (2 * KE) / (
`velocity^2`)

Substitute the given values, we can calculate the mass of the polar bear:

mass = (2 * 23,000 J) /
`(11 m/s)^2`

mass = 46,000 J / 121
`m^2/s^2`

mass ≈ 380.1653 kg

Therefore, the mass of the polar bear is approximately 380.1653 kilograms.

A polar beer runs at a speed of 11m/s With 23,000 J of kinetic energy. What is a polar bear mass?