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Sav [38]
3 years ago
15

Harry and Hagrid needed to get money out of Gringotts bank. The bank cart was accelerating at a rate of 4 m/s2 and it had a mass

of 8,000 kg. What is the net force acting on the cart?
USE THE FORMULA: F=m∙a Show all your work!
Physics
1 answer:
Nutka1998 [239]3 years ago
8 0

a = acceleration of the bank cart = 4 m/s²

m = mass of the bank cart = 8000 kg

F = net force on the cart

According to newton's second law , Net force is the product of mass of the object and the acceleration of the object.

Net force = mass x net acceleration

hence Net force acting on the cart is given as

F = ma

F = 8000 x 4

F = 32000 N

hence the net force acting on the cart comes out to be 32000 N


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What is the mass of a school bus if it can accelerate from rest to 15.5 m/s over 8.25
alexandr1967 [171]

The mass of a school bus if it can accelerate from rest to 15.5 m/s over 8.25s with 7,500 N of force is 3989.4kg.

HOW TO CALCULATE MASS:

  • The mass of an object can be calculated by dividing the force applied to the object by its acceleration.

  • According to this question, a bus can accelerate from rest to 15.5 m/s over 8.25s. The acceleration can be calculated as follows:

  • a = (v - u)/t

  • a = 15.5 - 0/8.25

  • a = 15.5/8.25

  • a = 1.88m/s²

  • The mass of the bus = 7500N ÷ 1.88m/s²

  • The mass of the bus = 3989.4kg

  • Therefore, the mass of a school bus if it can accelerate from rest to 15.5 m/s over 8.25s with 7,500 N of force is 3989.4kg.

Learn more about mass at: brainly.com/question/20259048?referrer=searchResults

3 0
3 years ago
Now open the simulation. Activate ""grid"" and ""show numbers"" to read values. Place a 1 nC positive (red color) charge on the
zmey [24]

Answer:

The divergence on the sensor shows the magnitude of the charges

Explanation:

This will increase as length increases since it is said to be proportional to the length. note that test charge is always positive and charge on the grid is positive as indicated (1 nC)

8 0
3 years ago
What is magnification
il63 [147K]
The action or process of magnifying something or being magnified, especially visually. Hope this helped
5 0
4 years ago
A box of groceries requires 5.0 newtons of force to lift it up 1.0 meter. How much work is done?
tigry1 [53]
Work is defined as the amount of force done multiplied by the distance it was applied. Since it is already given that the object of interest (a box of groceries) was lifted up 1 meter by a force of 5 newtons, work done can be solved using the following formula:

Work = Force * distance
Work = 5 N * 1 meter
Work = 5 N*m = 5 J
8 0
4 years ago
If you do 40 j of work in 4s, how much power did you generate?
brilliants [131]

Explanation:

<em><u>GIVEN </u></em><em><u>:</u></em>

Work done(W) = 40 J

Time(t) = 4 s

Power (P) = ?

<em><u>We </u></em><em><u>know </u></em><em><u>that:</u></em>

W = P×t

Therefore,

P= W/t

=40/4

= 10 W

<em><u>Hope </u></em><em><u>it </u></em><em><u>helps</u></em>

4 0
2 years ago
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