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pishuonlain [190]
3 years ago
9

A force of 7.0 N acts on a block of wood at an angle of 50 degrees above the horizontal as the block moves a distance of 6.4 met

ers to the right. Calculate the work done on the block by the force

Physics
1 answer:
Aneli [31]3 years ago
6 0

Answer:

28.796 J

Explanation:

I hope that it's a correct answer.

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What does an electromagnet do?
butalik [34]
An electromagnet is a device that sends electricity through a coil of wire to produce a magnetic field. This leads to a magnet that can be controlled - turned on and off with the flip of a switch, or increased or decreased in strength. The coils are often wrapped around a regular magnet to make it stronger.
8 0
3 years ago
A soccer ball is rolling with a constant acceleration of -1.5 m/s2 . At ti = 0 s, the ball has an instantaneous velocity of 14 m
miskamm [114]

Answer:

v_{f} = 9.5\,\frac{m}{s}

Explanation:

The final velocity is:

v_{f} = v_{o} + a \cdot t

v_{f} = 14\,\frac{m}{s} + (-1.5\,\frac{m}{s^{2}} )\cdot (3\,s)

v_{f} = 9.5\,\frac{m}{s}

6 0
3 years ago
Suppose a 1.2 m antenna is installed on top of a building that is 225 m tall,
vazorg [7]

Answer: 226.2 m

Explanation:

If we want to find the new total height H of the building, we have to add to its initial height h_{B}=225m the height of the antenna h_{A}=1.2m, as follows:

H=h_{B}+h_{A}

H=225m+1.2m

Then:

H=226.2m This is the new total height of the building.

7 0
3 years ago
Interstellar matter is composed of ____________ found between stars in a galaxy.
Illusion [34]
This should be dust and gas
4 0
3 years ago
The Drake Equation The Drake Equation Provides an estimate of how many planets there are in the Solar System that may harbor tec
Kitty [74]

Answer:

Provides an estimate of how many planets there are in our galaxy that may harbor technically communicative life-forms.

Explanation:

A planet can be defined as a large celestial body having sufficient mass to allow for self-gravity and make it assume a nearly circular shape (hydrostatic equilibrium), revolves in an orbit around the Sun in the solar system and has a cleared neighborhood.

Basically, the planets are divided into two (2) main categories and these includes;

I. Outer planets: these planets are beyond the asteroid belt and comprises of jupiter, saturn, uranus and neptune, from left to right of the solar system.

II. Inner planets: these planets are the closest to the sun and comprises of mercury, venus, earth and mars.

These outer planets are made mostly of gases (hydrogen and helium) causing them to be less dense than the solid inner planets. These gases are generally known to be less dense in terms of physical properties.

Some examples of the planet are Mars, Venus, Earth, Mercury, Neptune, Jupiter, Saturn, Uranus, etc.

The Drake equation provides an estimate of how many planets there are in our galaxy that may harbor technically communicative life-forms. It is a probabilistic mathematical expression.

7 0
3 years ago
Read 2 more answers
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