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const2013 [10]
3 years ago
5

How much work will be done on a 30kg object traveling at 20 m/s from the rest?

Physics
1 answer:
Fofino [41]3 years ago
6 0
Yes it will 90 i am ver vwery  sureee!!!!!!
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A baseball player throws a baseball straight up into the air, the ball leaving his hand at time t = 0.0 s. The ball reaches maxi
laiz [17]

The ball should take twice as long to return to its original position as it took to reach its maximum height, so it should return to its original position at t=2.8\,\rm s.

4 0
3 years ago
The force that one massive object excerts to attract another object is called
Bogdan [553]
The force that one massive object exerts  to attract another object is called gravity or gravitational pull.
5 0
3 years ago
A simple pendulum takes 128s to complete 40 oscillations what is the time period of the pendulum
Serhud [2]

Explanation:

Parameters

Number of oscillation = 40 oscillations

Time of oscillation = 128s

Formular

Period (T) = <u>No of oscillation</u>

Time taken

T = <u>128</u>

40

T=3.2s

3 0
3 years ago
your friend want to know the amont of salt added to her favorite fast food french fries what would you recommend that she do to
Alexeev081 [22]
That nutritional information is usually not posted up on the wall,
but by federal law, it's available on request, to any customer, at
any fast-food place. 

All she has to do is ask to see the manager, and then ask the
manager for the nutritional information booklet. 

She'll get a nice printed booklet that tells the salt content in the
fries, AND the amount of many other substances in ALL the items
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It's the law.  Don't be bashful.
5 0
3 years ago
One statement of the first law of thermodynamics is that:___________.
blagie [28]

Answer:

a. the amount of work done on a system is dependent of pathway

Explanation:

The first law of thermodynamics states that the change in internal energy of a system equals the net heat transfer into the system minus the net work done by the system.

ΔU = Q - W

Where;

Q, the net heat transfer into the system depends on the pathway

W, the net work done by the system also depends on the pathway

But, ΔU, the change in internal energy is independent of pathway

Therefore, the correct option is "A"

a. the amount of work done on a system is dependent of pathway

6 0
3 years ago
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