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Ira Lisetskai [31]
3 years ago
9

HELP ASAP

Physics
1 answer:
amid [387]3 years ago
7 0

Answer:

3200 has the fewest number of sig figs

Explanation:

sorry i was late

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Marcus is on a train that travels 20 and takes 5 seconds to slow to 10 .
Vera_Pavlovna [14]

Answer:

-2

Explanation:

v0=20

v=10

t=5

a=(v-v0)/t=(10-20)/5=-2

6 0
3 years ago
The two rods are now firmly attached together as in Figure 2.
MakcuM [25]

Thermal equilibrium is attained and the both rods are now at the same temperature.

<h3>What is thermal equilibrium?</h3>

Two bodies are said to have attained thermal equilibrium when the two bodies at the same temperature. It should be known that when two rods are firmly attached to each other heat flows from one rod to another.

As such, after some time, thermal equilibrium is attained and the both rods are now at the same temperature.

Learn more about thermal equilibrium:brainly.com/question/2637015

4 0
2 years ago
The energy of atoms and molecules in an object due to their motion is_______ energy
QveST [7]
I think the answer is potential 
7 0
3 years ago
A grape is thrown straight up in the air. If it was thrown at 2 m/s, how high will it go in the air?
ser-zykov [4K]

Answer:

Answer: <u>Height</u><u> </u><u>is</u><u> </u><u>0</u><u>.</u><u>2</u><u>0</u><u>4</u><u> </u><u>m</u>

Explanation:

At the highest point, it is called the maximum height.

• From third newton's equation of motion:

{ \rm{ {v}^{2}  =  {u}^{2}  + 2gs}}

• At maximum height, v is zero

• u is initial speed

• g is -9.8 m/s²

• s is the height

{ \rm{0 {}^{2}  =  {2}^{2}   -  (2 \times 9.8 \times s)}} \\  \\ { \rm{4 = 19.6s}} \\  \\ { \rm{s = 0.204 \: m}}

4 0
2 years ago
Read 2 more answers
A new piece of exercise equipment has been added to your gym, and you try it out. To use this machine, you lie horizontal on a m
Shalnov [3]

Answer:

500 N

Explanation:

Since the work done on the spring W = Fx where F = force applied and x = compression length = 0.170 m (since the spring will be compressed its full length when the force is applied)

Since W = 85.0 J and we need to find F,

F = W/x

= 85.0 J/0.170 m

= 500 N

So, the  magnitude of force must you apply to hold the platform stationary at the final distance given above is 500 N.

6 0
3 years ago
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