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Sergio [31]
3 years ago
10

Which term is equal to velocity change per second?

Physics
2 answers:
krek1111 [17]3 years ago
4 0

the answer is acceleration. i took the test

Klio2033 [76]3 years ago
3 0

Answer:

Speed

Explanation:

Velocity is measured about how quickly an object can move.

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PLEASE HELP! It’s urgent... and please show your work!!
Anastasy [175]

Explanation:

the answer is a

6370000÷1000=6.37×10^-03

7 0
4 years ago
If you do not receive enough calories, which occurs? 1. Gain weight 2. Too much sugar 3. Impaired metabolic processes 4. Maintai
kipiarov [429]
3 impaired metabolic processes
5 0
3 years ago
Two tiny beads are 25 cm apart with no other charged objects or fields present. Bead A has a net charge of magnitude 10 nC and b
Alona [7]

Answer:

E. The force on A is exactly equal to the force on B.

Explanation:

The force between two charges is given by

F=\dfrac{kq_1q_2}{r^2}

where

q_1 = Charge on particle 1

q_2 = Charge on particle 2

r = Distance between the charges

k = Coulomb constant = 8.99\times 10^{9}\ Nm^2/C^2

F=\dfrac{8.99\times 10^9\times 10\times 10^{-9}\times 1\times 10^{-9}}{(25\times 10^{-2})^2}\\\Rightarrow F=0.0000014384\ N

This force will be exerted on both the charges equally.

So, The force on A is exactly equal to the force on B

6 0
3 years ago
Your friend, Tim, is playing with his sled. He ties a rope to his sled and attaches it to Lar's snowmobile. Tim has a mass of 71
kykrilka [37]

The maximum speed of Tim is 16.95 m/s.

The given parameters:

  • Mass of the rope, m = 71 kg
  • Tension on the rope, T = 220 N
  • Coefficient of kinetic friction, = 0.1
  • Time of motion, t = 8 s

<h3>What is Newton's second law of motion?</h3>
  • Newton's second law of motion states that, the force applied to an object is directly proportional to the product of mass and acceleration of the object.

The net force on Tim is calculated by applying Newton's second law of motion as follows;

T - \mu _k F_n = ma\\\\T - \mu _k F_n = m\frac{v}{t} \\\\T - \mu_k mg = m\frac{v}{t} \\\\t(\frac{T - \mu_k mg}{m} )= v\\\\8 (\frac{220 \ -\  0.1 \times 71 \times 9.8}{71} ) =v \\\\ 16.95 \ m/s = v

Thus, the maximum speed of Tim is 16.95 m/s.

Learn more about net horizontal force here: brainly.com/question/21684583

7 0
3 years ago
which of the following is a major disadvantage of nuclear power A. high air pollution B. toxic waste materials C. we lack the te
vodomira [7]
The disposition of the toxic waste materials is the greatest problem
in the field of nuclear-generated electric power today.

Nuclear-generated electric power generates NO air pollution, and
we have the mature technology to use it widely.
4 0
4 years ago
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