All categories

3 years ago

If an 80 kg is running at 2m/s, what is this man's momentum? Hint: p=mv

Physics

1 answer:

makkiz [27]3 years ago

7 0

Answer:

160kg m/s

Explanation:

momentum = mass * velocity

here given mass = 80 kg and velocity = 2m/s

so 80 * 2 = 160kg m/s

You might be interested in

When drawing a free-body diagram for an object on an inclined surface, which way does the force of gravity point? A. Straight do

babunello [35]

A- Straight Down

Remember wherever the object is, whether it is straight or inclined, gravitational pull will always act downwards.

8 0

4 years ago

Paleontologists are experts on the rock cycle true or false

kow [346]

Answer:

I cannot do the laws of physics cuz I hate science but I'm just dance

Explanation:

it's it's true

8 0

3 years ago

Which element(s) is/are not balanced in this equation?

Shkiper50 [21]

All elements are balanced. There are 1 Mg, 1 O, 2 Li's and 2 Cl's.

3 0

3 years ago

What would the answer be ?

Marianna [84]

The second one since you’re changing the soil up by adding different fertilisers. This will be you’re independent variable. And you’re dependent variable is your result = the plant height .
Hope this helps :)

4 0

3 years ago

I drop an egg from a certain distance and it takes the egg 3.74 seconds to reach the ground. How high up was the egg?

Slav-nsk [51]

Answer:

The height from which the egg is dropped is 68.54 m.

Explanation:

Given:

Initial velocity of egg is, $u=0\ m/s$ (Dropped means initial velocity is 0)

Time taken is, $t=3.74\ s$

Acceleration experienced by egg is due to gravity, $a=g=9.8\ m/s^2$

The height from which the egg is dropped is, $d=?$

Now, we use Newton's equation of motion that relates the distance, initial velocity, time and acceleration.

So, we have the following equation of motion:

$d=ut+\frac{1}{2}at^2$

Plug in all the given values and solve for 'd'. This gives,

$d=0+\frac{1}{2}\times 9.8\times (3.74)^2\\\\d=\frac{1\times 9.8\times 13.9876}{2}\\\\d=\frac{137.078}{2}\\\\d=68.54\ m$

Therefore, the height from which the egg is dropped is 68.54 m.

8 0

3 years ago