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timama [110]
3 years ago
13

Find the horizontal and vertical components of a projectile that is fired with a velocity of 50m/s at 30 degrees relative to the

horizontal.
Physics
1 answer:
VashaNatasha [74]3 years ago
5 0
Find this answer on safari and if you can’t reply to me and i’ll help
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Force is measured in units called
balu736 [363]

Answer:

Newtons

Explanation:

8 0
3 years ago
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cheryl has a mug that she says is made up of matter. heather says that the hot chocolate inside the cup is made up of matter, to
9966 [12]
Well,  basically both Cheryl and Keaton is right.

matter is described as Physical substance that possessed space and mass.

But the thing is, one matter is very small in size and cannot be seen with naked eyes. But everything around us are made by matters

hope this helps


3 0
3 years ago
Equal masses of he and ne are placed in a sealed container. What is the partial pressure of he if the total pressure in the cont
EastWind [94]

Answer:

6 atm.

Explanation:

Let the mass of both be m

Then moles of He = m/ 4

Moles of Ne = m/ 20

mole fraction of He = Moles of He/ Total moles = m/4/ (m/4 + m/20) = 0.25 m/0.3m = 0.83

Pressure of He = Mole fraction×total pressure = 0.83 × 6 atm = 5 atm

6 0
2 years ago
To determine the height of a tall building such as Sears Tower in Chicago, Illinois a ball was dropped from the top of the build
Darya [45]

Answer:

The height of Sears Tower is 1448.5 feet.

Explanation:

<h3>We apply the free fall formula to the ball: </h3><h3>y=v_{o} *t+\frac{1}{2} *g*t^{2}</h3><h3>y: The vertical distance the ball moves at time t  </h3><h3>v_{o}i: Initial speed </h3><h3>g=Gravity acceleration=9.8*(\frac{\frac{1ft}{0.305m} }{s^{2} } )</h3>

Known information

We know that the vertical distance (y) that the ball moves in 9,5s  is equal to height of Sears Tower (h).  

Too we know that the ball is released from rest, then,v_{0}=0

Height of Sears Tower calculation:

We replace  in the equation 1 the data following;

y=h

v_{o} =0

g=32,1\frac{ft}{s^{2} }

t= 9,5s

h=0*9.5+\frac{1}{2} *32.1*9.5^{2}

h=1448.5 ft

Answer: The height of Sears Tower is 1448.5 ft

6 0
3 years ago
1. Charges acquired by rubbing is called_____
Leokris [45]

Answer:

static electricity and then lightning rod

4 0
3 years ago
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