3 years ago

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Physics

2 answers:

tigry1 [53]3 years ago

4 0

Answer:

a to b is 109 degrees

Explanation:

Alchen [17]3 years ago

4 0

Answer:

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Explanation:

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Ice-skater slides toward a sled sitting on the ice and hits it. The skater exerts a 12.6 N force on the sled at an angle of 15.3

RideAnS [48]

Answer:

Expression of work done is

$W = Fd cos\theta$

Work done to move the sled is given as 187.2 J

Explanation:

As we know that the formula of work done is given as

$W = Fd cos\theta$

here we know that

F = 12.6 N

d = 15.4 m

$\theta = 15.3 degree$

so we will have

$W = 12.6 \times 15.4 cos15.3$

$W = 187.2 J$

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2 years ago

A 10 N force and a 15 N force are acting from a single point in opposite directions. What additional force must be added to prod

AleksAgata [21]

Answer:

5 N acting in the same direction as the 10 N force

Explanation:

10+5=15

15=15

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2 years ago

When measuring an object with a ruler, the end of the object should be lined up with the _______of the ruler.

KatRina [158]

0 mark is your answer because you want to start at 0

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2 years ago

Read 2 more answers

What's the best place to watch videos for general physics?

stepan [7]

Check Khan Academy, they have explanations,notes,videos,quizzes and much more

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3 years ago

A 50.0-g Super Ball traveling at 25.0 m/s bounces off a brick wall and rebounds at 22.0 m/s. A

Setler [38]

Explanation:

Average acceleration is change in velocity over time.

a = Δv / Δt

a = (22.0 m/s − (-25.0 m/s)) / 0.00350 s

a = 13,400 m/s²

7 0

2 years ago

can you please help me i will follow you or i will give brainliest please help me with this question.​

can you please help me i will follow you or i will give brainliest please help me with this question.