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anygoal [31]
3 years ago
7

What is the effect of gravity on a falling object?

Physics
1 answer:
Sedbober [7]3 years ago
6 0

Answer:

gravity pulls the falling object to the ground

Explanation:

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A Journey through the solar system
Anika [276]

Explanation:

Journey Through the Solar System was a 13-episode documentary series produced by NASA's Lewis Research Center in 1983. Each half-hour episode contained the entirety or clips of older NASA films with framing host footage with Larry Ross, Director of Space Science at Lewis.

5 0
4 years ago
Select the correct answer. A ball is thrown straight down from the top of a building at a velocity of 16 ft/s. The building is 4
BartSMP [9]

Answer:

The ball takes 5s to reach the ground

Explanation:

in order to solve this problem we use the kinematics equation with gravity as acceleration:

h=v_0t+1/2*gt^2

we replace the values

0=1/2*32t^2+16t-480

We solve this quadratic equation:

t=5s

t=-6s   (this solution has not physical sense)

8 0
3 years ago
While 75-kg Anthony roller skates at 3 m/s, 60-kg Sue jumps into his arms with a velocity of 5 m/s. How fast does the pair go to
anzhelika [568]

Apply conservation of linear momentum

\\ \rm\Rrightarrow m1v1+m2v2=(m1+m2)V3

\\ \rm\Rrightarrow 75(3)+60(5)=(75+60)V3

\\ \rm\Rrightarrow 225+300=135v3

\\ \rm\Rrightarrow 525=135v3

\\ \rm\Rrightarrow V3=3.89m/s

7 0
2 years ago
John is going to use a rope to pull his sister Laura across the ground in a sled through the snow. The rope makes an angle of 25
Liula [17]
The mass of Laura and the sled combined is 887.5 kg
5 0
3 years ago
What is the work done by a force equivalent to the weight of 100kg that moves an object 200km in 7.0min?
umka2103 [35]

Answer:

WD= 200 Joules

Explanation:

wd= f x d

wd=1000N x 0.2 m

wd=200 joules

5 0
3 years ago
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