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BabaBlast [244]

3 years ago

10

PLEASE HURTY FAT ON QUIZ ATM!!!! 25 POINTS!!!!!! A student pushes a 40-N walk across the floor for a distance of 10 m how much w

ork has done to move the block

1 answer:

algol133 years ago

8 0

Work is force times distance, so W = 40 N * 10 m = 400 J

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Answer:

$\mathbf{V_x = 3.25 \ cm/s}$

$\mathbf{V_y = 1.29\ cm/s}$

Explanation:

Given that:

The radius of the table r = 16 cm = 0.16 m

The angular velocity = 45 rpm

= $45 \times \dfrac{1}{60}(2 \pi)$

= 4.71 rad/s

However, the relative velocity of the bug with turntable is:

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Thus, the time taken to reach the bug to the end is:

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$V_x = Vcos \theta$

$V_x = 0.035 \times cos (21.54^0)$

$V_x = 0.0325 \ m/s$

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Also, for the vertical component of the velocity $V_y$

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3 years ago

A large truck is moving at 22.0 m/s. if its momentum is 125,000 kg • meters per second, what is the truck's mass? 176 kg 2750 kg

solong [7]

The mass of the large truck is determined as 5680 kg.

<h3>Mass of the truck</h3>

The mass of the truck is calculated as follows;

P = mv

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P is momentum
m is mass
v is velocity

m = P/v

m = 125000/22

m = 5680 kg

Thus, the mass of the large truck is determined as 5680 kg.

Learn more about momentum here: brainly.com/question/7538238

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Answer:

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