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3 years ago

10

What is the dimention of kinetic energy

1 answer:

chubhunter [2.5K]3 years ago

7 0

Answer:

M1L2T-2

Explanation:

In the equation above 1/2 is a constant and constants do not affect the dimensional formula of any quantity.

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A wave traveling in water has a frequency of 250 Hz and a wavelength of 6.0m. What is the speed of the wave?

vladimir2022 [97]

Since you are looking for the speed, you need to rearrange the formula which is f = speed / wavelength. That should give you speed = f (wavelength.) All you need to do next is to substitute the value to the following equation. speed = 250 Hz (6.0m) that should leave you with 1500 m/s which is very fast.

6 0

4 years ago

An 18kg block moving at 6 m/s has kinetic energy of

sergey [27]

½ × 18 × 6² = 324 J

hope that helps^^

6 0

3 years ago

If a 25 kg object is moving at a velocity of 10 m/s, the object has<br> energy. Calculate it.

Paul [167]

Answer: Your answer is 1250J

Explanation:

K E = 1/2 m v 2

The mass is

m = 25 k g

The velocity is v = 10 m s − 1

So,

K E = 1 /2 x25 x 10 2^2= 1250 J

pls mark brainiest answer

4 0

3 years ago

Toby's Trucking Company determined that on an annual basis, the distance traveled per truck is normally distributed, with a mean

Reptile [31]

Answer: 56994 miles

Explanation:

Given : Toby's Trucking Company determined that on an annual basis, the distance traveled per truck is normally distributed with

$\mu=50,000\text{ miles}$

Standard deviation : $\sigma=12,000\text{ miles}$

Let a be the distance traveled by at least 72% of the trucks.

Let X be the random variable that represents the distance traveled by a truck

Then $P(x\geq a)=0.72$

The critical value corresponds to p-value 0.72 : $z=0.5828415$

Also, $z=\dfrac{x-\mu}{\sigma}$

$\Rightarrow\ 0.5828415=\dfrac{a-50000}{12000}\\\\\Rightarrow\ a=12000(0.5828415)+50000=56994.098\approx56994$

Hence, 56994 miles will be traveled by at least (equal to and more than) 72% of the trucks .

6 0

3 years ago

A typical circular saw has a radius of 0. 184 m and rotates so the velocity of its edge is 110 m/s. How many RPM does the saw ma

olga_2 [115]

Answer:

[5710 RPM]

Explanation:

5 0

2 years ago