3 years ago

Which graph shows uniform motion.

Physics

2 answers:

bagirrra123 [75]3 years ago

5 0

Answer:

1. shows uniform motion

Explanation:

prisoha [69]3 years ago

3 0

Option number: 3
Because it’s constant

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The luxury liner Queen Elizabeth 2 has a diesel-electric powerplant with a maximum power of 90 MW at a cruising speed of 31.5 kn

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Answer:

5558643.69 N

Explanation:

F = Force

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$1\ knot=0.514\ m/s$

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Power is given by

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The forward force is exerted on the ship at this highest attainable speed is 5558643.69 N

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3 years ago

In some cases, neither of the two equations in the system will contain a variable with a coefficient of 1, so we must take a fur

Margaret [11]

Answer:

D = -4/7 = - 0.57

C = 17/7 = 2.43

Explanation:

We have the following two equations:

$3C + 4D = 5\ --------------- eqn (1)\\2C + 5D = 2\ --------------- eqn (2)$

First, we isolate C from equation (2):

$2C + 5D = 2\\2C = 2 - 5D\\C = \frac{2 - 5D}{2}\ -------------- eqn(3)$

using this value of C from equation (3) in equation (1):

$3(\frac{2-5D}{2}) + 4D = 5\\\\\frac{6-15D}{2} + 4D = 5\\\\\frac{6-15D+8D}{2} = 5\\\\6-7D = (5)(2)\\7D = 6-10\\\\D = -\frac{4}{7}$

D = - 0.57

Put this value in equation (3), we get:

$C = \frac{2-(5)(\frac{-4}{7} )}{2}\\\\C = \frac{\frac{14+20}{7}}{2}\\\\C = \frac{34}{(7)(2)}\\\\C = \frac{17}{7}\\$

C = 2.43

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3 years ago

Which graph shows uniform motion.​

Which graph shows uniform motion.