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VashaNatasha [74]
2 years ago
11

SILVER PACKAGE

Physics
1 answer:
mote1985 [20]2 years ago
5 0
U=mgh
U=10*9.8*20
U=1960
Answer is D
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David is driving a steady 30.0 m/s when he passes Tina, who is sitting in her car at rest. Tina begins to accelerate at a steady
SpyIntel [72]

Answer:

Explanation:

Let after time t , Tina catches up David .

Distance travelled by them are equal ,

Distance travelled by Tina

s = ut + 1/2 a t²

= .5 x 2.10 t²

= 1.05 t²

Distance travelled by David

= 30 t ( because of uniform velocity )

1.05 t² = 30t

t = 28.57 s

Distance travelled by Tina

= 1/2 a t²

= .5 x 2.10 x 28.57²

= 857 m approx.

7 0
2 years ago
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How many forces are acting on a stationary raft floating in a swimming pool A1 B2 or C3
Hitman42 [59]
There are at least two forces on it, and there could be more.

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These two forces must be exactly equal, so that the net
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Horizontal forces:
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But we don't know if there are actually no horizontal forces
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3 0
2 years ago
other than serving as a conduction pathway what is a major function of the pons why is the medulla the most vital part of the br
irga5000 [103]
1. What is the major function of the pons? 
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2.  Why is the medulla the most vital part of the brain?       
         -Medulla is very important because it function for the involuntary movement and processes that happen in the body without giving a thought about it. It performs crucial tasks like regulating the blood pressure.
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3 years ago
Which is NOT something that all green plants have in common?
Anvisha [2.4K]

Answer:

Number 4

Explanation:

7 0
2 years ago
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When you trace the outline of your palm how do you find its area​
oksian1 [2.3K]

Answer:

Explanation:

if its squares count the squares els messure it i think

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