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12345 [234]
3 years ago
10

The product side of a chemical reaction is shown. → 7Ti2(SO4)3 Which number represents a coefficient?

Physics
2 answers:
AnnZ [28]3 years ago
5 0

D) 7 is the right answer

solniwko [45]3 years ago
3 0
7 is the answer.................................
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Earth's gravity is pulling a ball downward toward Earth. What is the reaction force?
weeeeeb [17]

Answer: Air resistance is "pushing" the ball upwards.

Explanation:

4 0
3 years ago
A Chevy Camaro drives straight off the top level off a parking garage at 9 m/s. If the car landed 81 meters away from the base o
Tatiana [17]

Answer:

The correct option is c: 396.9 meters.

Explanation:  

First, we need to find the time at which the car landed:

v = \frac{x}{t}

t = \frac{x}{v} = \frac{81 m}{9 m/s} = 9 s                                                                    

Now, we can find the height of the top-level:

y_{f} = y_{0} + v_{0_{y}}t - \frac{1}{2}gt^{2}

Since the car has only a velocity in the horizontal direction, we have:

0 = y_{0} + 0*t - \frac{1}{2}gt^{2}

y_{f} = \frac{1}{2}gt^{2} = \frac{1}{2}9.81 m/s^{2}*(9 s)^{2} = 397 m

Therefore, the correct option is c: 396.9 meters.

I hope it helps you!  

3 0
3 years ago
If it takes a ball dropped from rest 2.069 s to fall to the ground, from what height h was it released?
Ganezh [65]
I dont know the answer im sorry
6 0
3 years ago
Most clouds form in the atmosphere when moist air 1. rises,expands,and cools to the dewpoint 2. rises, expands, and warms to the
earnstyle [38]
Most clouds form in the atmosphere when moist air rises expands and cool to the dew point. When the air above reaches its saturation point, the water vapor is attracted to dust particles which when they accumulate the hold on tho each other and form clouds. Evaporation and condensation is what causes saturation above. When the clouds become heavy enough with moisture, the water then fall to earth as rain. <span />
4 0
4 years ago
ball A of mass 5.0 kg moving at 20 meters per second collides with ball B of unknown mass moving at 10. meters per second in the
antiseptic1488 [7]

Answer:The mass of ball B is 10 kg.

Explanation;

Mass of ball A = M_A=5 kg

Velocity of the ball A before collision:U_A=20 m/s

Velocity of ball A after collision=V_A=10 m/s

Mass of ball B= M_B

Velocity of the ball B before collision:U_B=10 m/s

Velocity of ball B after collision=V_B=15 m/s

M_AV_A+M_BV_B=M_AU_A+M_BU_B

5 kg\times 10 m/s+M_B\times 15=5 kg\times 20m/s+M_B\times 10m/s

M_B=10kg

The mass of ball B is 10 kg.

8 0
3 years ago
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