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ANEK [815]
3 years ago
12

When an unbalanced force acts on an object the change in the objects ____or ____ depends on the size and direction of the force

Physics
2 answers:
timama [110]3 years ago
7 0

When an unbalanced force acts on an object the change in the object state of rest or motion depends on the size and direction of the force.

If a body is at state of rest or motion, when an unbalanced external force acts on it, its starts moving in the direction of force and magnitude of its velocity or acceleration depends on the magnitude of force applied.

tresset_1 [31]3 years ago
6 0

Answer:speed or direction

Explanation:

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A car engine has power than a horse because a car engine does the same amount of work in time. Yasmin and Raj each had 10 boxes
labwork [276]

Answer:

A car engine has more power than a horse because a car engine does the same amount of work in time. Yasmin and Raj each had 10 boxes of equal weight to stack next to each other on the same shelf, at the same height and in the same arrangement. Yasmin completed the task in 2 minutes, while Raj took 3 minutes to stack his boxes. Raj applied less power than Yasmin because his stacking took more time to do the same amount of work.

Explanation:

4 0
3 years ago
Read 2 more answers
A car has a speed of 23 m/s and a momentum of 31,050 kg·m/s. What is the mass of the car?
Ilya [14]

Answer:

Mass = 1350kg

Explanation:

Given the following data;

Velocity = 23m/s

Momentum = 31,050 kg·m/s.

To find the mass of car;

Momentum can be defined as the multiplication (product) of the mass possessed by an object and its velocity. Momentum is considered to be a vector quantity because it has both magnitude and direction.

Mathematically, momentum is given by the formula;

Momentum = mass * velocity

Substituting into the equation, we have

31,050 = mass*23

Mass = 31,050/23

Mass = 1350kg

Therefore, the mass of the car is 1350 kilograms.

3 0
3 years ago
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loris [4]
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5 0
3 years ago
An unstable particle at rest spontaneously breaks into two fragments of unequal mass. The mass of the first fragment is 3.00 10-
kirill [66]

Answer:0.478 c

Explanation:

Given

mass of lighter Particle(m_1)=3\times 10^{-28} kg

mass of heavier Particle(m_2)=1.51\times 10^{-27} kg

speed of lighter particle(v_1)=0.834 c

Let speed of heavier particle=v_2

and Momentum of the particle is given by

P=\frac{mv}{\sqrt{1-(\frac{v}{c})^2}}

P_1=\frac{m_1v_1}{\sqrt{1-(\frac{v_1}{c})^2}}

P_1=\frac{3\times 10^{-28}\times 0.834 c}{\sqrt{1-(\frac{0.834 c}{c})^2}}

P_1=8.219\times 10^{-28} kg c

P_2=\frac{m_2v_2}{\sqrt{1-(\frac{v_2}{c})^2}}

as momentum is conserved therefore P_1=P_2

8.219\times 10^{-28} kg c=\frac{1.51\times 10^{-27}\times v_2}{\sqrt{1-(\frac{v_2}{c})^2}}

v_2=0.478 c

3 0
3 years ago
How many phase changes does ice undergo when it changes to water vapor in the water cycle?
Dmitriy789 [7]
Let's see.. 

- Melting
-Evaporation.

Two.
4 0
3 years ago
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