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Keith_Richards [23]
3 years ago
10

WILL MARK BRAINLY

Physics
2 answers:
const2013 [10]3 years ago
6 0

Answer:

They accelerate.

Explanation:

whether an object is ar rest or in motion, when external, unbalanced forces act on it, the object accelerates, as stated in Newton's second law:

F=ma

where F is the net force acting on the object, m is its mass, and a its acceleration. Therefore, if there are unbalanced forces acting on the object, the object will accelerate. This means that an object at rest will start moving (in the direction of the net force), while an object already in motion will increase (or decrease, depending on the direction of the force) its velocity.


pochemuha3 years ago
6 0

Answer:

uy45jxyrjdf

Explanation:

vvvvvvvvvvvvvvvvvvvvvvvvvvvvvvdddddddddddddd

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Newtons second law of motion-skateboard
Darya [45]

Answer:

??? I don't get it, please explain. What is your question????

Explanation:

6 0
3 years ago
Without the wheels, a bicycle frame has a mass of 6.71 kg. Each of the wheels can be roughly modeled as a uniform solid disk wit
dalvyx [7]

Answer:43.311 J

Explanation:

Given

mass of frame\left ( m_f\right )=6.71 kg

mass of  wheel \left ( m_w\right )=0.820 kg

radius of wheel\left ( r\right )=0.343 m

v=3.22 m/s

Moment of inertia of each wheel\left ( I\right )=\frac{1}{2}mr^2[/tex]

I=0.0482 kg-m^2

kinetic Energy of whole cycle=Kinetic energy of wheels and frame+rotational energy of Wheels

K.E.=\frac{1}{2}\left ( m_f+m_w\right )v^2+2\times \frac{1}{2}I\omega ^2

K.E.=\frac{1}{2}\left ( 6.71+0.820\right )3.22^2+2\times \frac{1}{2}0.0482\times \left ( \frac{3.22}{0.343}\right )^2

K.E.=39.037+4.274=43.311J

4 0
3 years ago
A racing car has a mass of 750 kg. It undergoes an acceleration of 4.00 m/s2. What is the net force acting on the car?
navik [9.2K]

Answer:

<h2>3000 N</h2>

Explanation:

The force acting on an object given it's mass and acceleration can be found by using the formula

force = mass × acceleration

From the question we have

force = 750 × 4 = 3000

We have the final answer as

<h3>3000 N</h3>

Hope this helps you

3 0
2 years ago
If the resistance remains constant and the voltage doubles, what effect will that have on the power?
aalyn [17]
One of the handy formulas for electrical power is

Power = (Voltage)² / (Resistance)

Since the voltage is squared, if you double the voltage and
the resistance doesn't change, the power will increase by
the factor of (2²), which is 4 times the original power.
6 0
3 years ago
A cat was standing at the 0m line and ran south to the 100m in 4 seconds what's the average velocity
Setler79 [48]

Answer:

25

Explanation:

Velocity= change in displacement/ change in time

=100-0/4-0

=25

5 0
3 years ago
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