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Komok [63]
3 years ago
7

Do you think antiseptic creams and lotions play an important part in our dayto day life? ​

Physics
2 answers:
timama [110]3 years ago
8 0

Answer:

no, otherwise they just cause a side effect on our lives

Komok [63]3 years ago
6 0
Yes, it keeps your skin from getting burnt when you play out side so much.
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Calculate the force it would take to accelerate a 50 kg bike at a rate of 3 m/s2.
Ede4ka [16]

ummmm it might be 300... i used a calculator

sorry if it is wrong

4 0
3 years ago
A pendulum has 918 J of potential energy at the highest point of a swing. How much kinetic energy will it have at the bottom of
GREYUIT [131]

The kinetic energy at the bottom of the swing is also 918 J.

Assume the origin of the coordinate system to be at the lowest point of the pendulum's swing. A pendulum, when raised to the highest point has potential energy since it is raised to a height h above the origin. At the highest point, the pendulum's velocity becomes zero, hence it has no kinetic energy. Its energy at the highest point is wholly potential.

When the pendulum swings down from its highest position, it gains velocity. Hence a part of its potential energy begins to convert itself into kinetic energy. If no dissipative forces such as air resistance exist, then, the law of conservation of energy can be applied to the swing.

Under the action of conservative forces, the total mechanical energy of a system remains constant.This means that the sum of the potential and kinetic energies of a body remains constant.

When the pendulum reaches the lowest point of its swing, it is at the origin of the chosen coordinate system. Its vertical displacement from the origin is zero, hence its potential energy with respect to the origin is zero. Therefore the entire potential energy of 918 J should have been converted into kinetic energy, according to the law of conservation of energy.

Thus, the kinetic energy of the pendulum at the lowest point of its swing is equal to the potential energy it had at its highest point, which is equal to <u>918 J.</u>



8 0
3 years ago
Prior to the Panama Canal, __________ was a major route between the Atlantic and Pacific oceans.
Bingel [31]
The Rio Grande was the major route prior to the Panama Canal.
3 0
3 years ago
Read 2 more answers
Calculate the volume of this regular solid. A cylinder labeled B at the top, 13 centimeters high with a radius of 4 centimeters.
Kryger [21]

Answer:

The volume of the cylinder is 653.71\ \text{cm}^3

Explanation:

Given that,

The height of the cylinder is 13 cm

Radius of the cylinder is 4 cm

We need to find the volume of the cylinder. The formula that is used to find the volume of a cylinder is given by :

V=\pi r^2 h\\\\V=\dfrac{22}{7} \times (4)^2 \times 13\\\\V=653.71\ \text{cm}^3

So, the volume of the cylinder is 653.71\ \text{cm}^3

4 0
3 years ago
Read 2 more answers
What is the acceleration of 200kg mass when a net force of 100 N acts on it​
evablogger [386]

Answer:

0.5m/s^2

Explanation:

net force (resultant force) = mass x acceleration

100N/200kg = 0.5

4 0
3 years ago
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