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3 years ago

What has a gravitational pull?

Physics

2 answers:

Hatshy [7]3 years ago

8 0

The earth has a gravitational pull to pull things towards the ground so we don’t go flying into space

Tanzania [10]3 years ago

6 0

ThE mOoN!

Okay, sorry.

The moon has a gravitational pull that causes the tides and waves in our oceans.

The Sun has gravitational pull that keeps the Earth in its orbit along with the other planets and dwarf planets (poor pluto ;-; )

The Earth has a gravitational pull that keeps the moon in its orbit.

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Two 3 g bullets are fired with speeds of 40 m/s and 80 m/s. what is the kinetic energy of the first bullet

Licemer1 [7]

The answer is 60. Second is 120.

8 0

3 years ago

What is the maximum distance that a 60.-watt motor may vertically lift a 90.-newton?weight in 7.5 seconds?a. 2.3mb. 5.0mc. 140md

Naddik [55]

Answer:

b. 5.0 m

Explanation:

Power: Power can be defined as the rate at which work is done.

The S.I unit of power is watt (W).

P = W/t ............................................... Equation 1

Where p = power, W = work, t = time.

But

W = F×d..................................... Equation 2

Where F = force, d = maximum distance.

Substituting equation 2 into equation 1

P = F×d/t

making d the subject of the equation above,

d = Pt/F......................................................... Equation 3

Given: F = 90 Newton, P = 60 watt, t = 7.5 seconds.

Substituting these values into equation 3,

d = 60×7.5/90

d = 5 m

Thus the maximum distance is = 5 m

The right option is b. 5.0 m

5 0

3 years ago

Suppose the demand for air travel decreases (as illustrated in the graph below). A decrease in demand _____ the equilibrium pric

vfiekz [6]

Answer:

decreases, decreases

Explanation:

A decrease in the demand will create a fall in equilibrium prices and the quantity supplied will also decrease. As the equilibrium prices in the market are the price in which the quantity demanded equals to quantity supplied.

If the demand for the air decreases then the quantity of the air travel will also decrease and thus when the supply and demand change so do the changes associated with the equilibrium prices.

4 0

4 years ago

Jessica has a mass of 55kg she sleds down a hill that has a slope of 32 degrees. what is the component of her weight that is alo

Arturiano [62]

Answer:

W = 285.62 N

Explanation:

It is given that,

Mass of Jessica is 55 kg

Slope of the hill is 32 degrees

We need to find the component of her weight that is along her direction of motion.

The component along her direction of motion is shown in attached figure. It means