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Nataliya [291]
3 years ago
15

HELP ME PLZ I NEED TO PASS

Physics
2 answers:
Varvara68 [4.7K]3 years ago
6 0

Answer:

50 newtons

Explanation:

subtract directions

ipn [44]3 years ago
5 0

Answer:

D. 50 N

Explanation:

The 2 forces of the cart will counteract each other because they are being pushed in opposite directions. The 150 N will counteract the 150 N on the other side. But since there's an extra 50 N on the left, it will push 50 N to the right. The 2 150 N will do nothing because they are pushing in opposite directions. For example, if two people are pushing something in the opposite direction with the exact same force, the pushed object won't move.

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Who is responsible for developing the three laws of planetary motion?
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Johannes Kepler- he did it by observing the ‘Tycho Brahe’. His 3rd law was published 10 years later to his first two laws.
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Consider the circuit below, which is powered by a 6-v battery. switch s is opened at t = 0 after having been closed for a long t
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The answer should be B 
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How much voltage is required to run 0.64 A of current through a 240 resistor? Use V= IR.
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Read 2 more answers
A 100-W lightbulb is placed in a cylinder equipped with a moveable piston. The lightbulb is turned on for 0.010 hour, and the as
Taya2010 [7]

Answer:

w =  - 508.53 joules

q = - 3091.47 joules

Explanation:

Let us convert the time in hours into seconds

0.010* 3600\\= 36

Change in internal energy

\delta E = p * \delta t

where E is the internal energy in Joules

p is the power in watts

and t is the time in seconds

\delta E = - 100 * 36\\

\delta E = - 3600 Joules

Amount of work done by the system

w = - P * \delta V

where P is the pressure and V is the volume

Substituting the given values in above equation, we get -

w = - 1 * ( 5.92 -0.90)\\

w = -5.02 liter-atmospheres

Work done in Joules

- 5.02 * 101.3\\= 508.53Joules

q = \delta E - w\\

Substituting the given values we get -

q = - 3600 - (-508.53)\\q = - 3091.47

Thus

w =  - 508.53 joules

q = - 3091.47 joules

7 0
3 years ago
How do you solve this???
Tom [10]
Rt= ΣR = 40Ω
Vt= 80V
It= 80V/40Ω= 2A
V1= 15Ω*2A= 30V
V2= 20Ω*2A= 40V
V3= 5Ω*2A= 10V
4 0
3 years ago
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