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jekas [21]
2 years ago
7

An object that is accelerating may be

Physics
1 answer:
Elenna [48]2 years ago
6 0

It must be either speeding up, or slowing down, or turning. There are no other possibilities.

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Will an object with more mass roll faster down a hill?
inna [77]
Over time, yes. It will over time gain more momentum
5 0
3 years ago
A cylindrical storage tank has a radius of 1.35 m. When filled to a height of 3.45 m, it holds 14,014 kg of a liquid industrial
Kruka [31]

Answer:

709.93 kg/m³

Explanation:

Density: This can be defined as the ratio of the mass of a body to the volume of that body. The S.I unit of density is kg/m³

From the question above,

D = m/v.............................. Equation 1

Where D = density, m = mass, v = volume.

Note: The volume of the liquid is equal to the volume of the height occupied by the liquid in the container

Since the tank is cylindrical,

v = πr²h........................ Equation 2

Where r = radius of the the tank, h = height of the liquid in the tank

Substitute equation 2 into equation 1

D = m/(πr²h)............... Equation 3

Given: m = 14014 kg, r = 1.35 m, h = 3.45 m, π = 3.14

Substitute into equation 3

D = 14014/(3.14×1.35²×3.45)

D = 14014/19.74

D = 709.93 kg/m³

6 0
2 years ago
PLZ HELP!!! Detailed PLZ!
Korolek [52]

Answer:

Potential Energy = 294J, Kinetic Engergy = 48.02J

Explanation:

We have these formulas:

Potential Energy = mass * gravitational force * height (m) = 1 * 9.8 * 30 = 294(J)

Kinetic Energy = 1/2 * mass * velocity^2 = 1/2 * 1 * 9.8^2 = 48.02 (J)

As the rock falling at an acceleration of 9.8m/s^2 which means for each second, the rock increases 9.8m/s. I think we are missing time to find the instantaneous velocity, the formula is (initial displacement - final displacement)/ (initial time - final time) which will directly give the final answer for you.

 

5 0
3 years ago
Consider a ball (with moment of inertia I=2/5MR^2) which bounces elastically
Oliga [24]

vn = 10nV tanθ 7 (n even), and vn = (10n−4) V tanθ 7 (n odd).

4 0
3 years ago
Read 2 more answers
10. John has borrowed his parents car without permission and is driving without a license. He
Natasha2012 [34]
Yes

Explanation:
John is driving at 25 meters per second and he has to drive 500 meters to get to his house.
I divided 500 by 25 to see how long it would take for John to get to his house
- 500/25= 20

Therefore, it will take John 20 seconds to reach his driveway, which is 25 seconds less than how long it will take his parents- so he will get to the driveway before them.
4 0
2 years ago
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