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3 years ago

The driver must stop and remain stopped to let a pedestrian cross at a crosswalk when the pedestrian is _____________.

Physics

2 answers:

zhuklara [117]3 years ago

5 0

Answer:

Explanation:

The driver must stop and remain stopped to let a pedestrian cross at a crosswalk when the pedestrian is _____________.

A. on the half of the road with traffic going in the opposite direction

B. on the half of the road that the vehicle is traveling

C. anywhere on a two-way street

According to the law regrading pedestrian, the pedestrian has the right of way immediately she is crossing on the crosswalk and is half of the road that the vehicle is travelling.

These rules are there for the safety of the driver, pedestrians and other road users

RSB [31]3 years ago

4 0

Answer: the correct option is B ( on the half of the road that the vehicle is traveling).

Explanation: according to Georgia Code About Pedestrians; The driver must stop and remain stopped to let a pedestrian cross at a crosswalk when the pedestrian is

on the half of the road that the vehicle is traveling.

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Which of the following is equivalent to 140 centiliters?

tekilochka [14]

D, 0.140 liters! Hang on a sec and I'll show you a trick I use.

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3 years ago

Read 2 more answers

A wheel of radius R, mass M, and moment of inertia I is mounted on a frictionless, horizontal axles. A light cord wrapped around

Alex_Xolod [135]

Answer:

$\alpha =\frac{m*g*R}{I-m*R^2}$

$a = \frac{m*g*R^2}{I-m*R^2}$

$T=\frac{I*m*g}{I-m*R^2}$

Explanation:

By analyzing the torque on the wheel we get:

$T*R=I*\alpha$ Solving for T: $T=I/R*\alpha$

On the object:

$T-m*g = -m*a$ Replacing our previous value for T:

$I/R*\alpha-m*g = -m*a$

The relation between angular and linear acceleration is:

$a=\alpha*R$

So,

$I/R*\alpha-m*g = -m*\alpha*R$

Solving for α:

$\alpha =\frac{R*m*g}{I+m*R^2}$

The linear acceleration will be:

$a =\frac{R^2*m*g}{I+m*R^2}$

And finally, the tension will be:

$T =\frac{I*m*g}{I+m*R^2}$

These are the values of all the variables: α, a, T

8 0

3 years ago

HELP ASAP! GIVING BRAINLIEST!!! I need the answers to 1,2,3!!

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1) 72/4 = 18 years

2) 72/10 = 7.2 years

3) 72/13 = 5.54 years

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3 years ago

If you hold a bar magnet in each hand and bring your hands together, will the force be attractive or repulsive if the magnets ar

Law Incorporation [45]

a) The force is repulsive

b) The force is attractive

Explanation:

Every magnet has a magnetic field around it. It is possible to distinguish two different poles in the magnet, according to the direction of the magnetic field: in particular, the lines of the field go out from the North pole and go into the South Pole. When a magnet is broken, two new magnets are formed, each of them having its own north and south pole.

The force between two magnets can be either attractive or repulsive, depending on which poles are facing each other. We have the following situation:

The magnetic force between two like poles (north-north and south-south) is repulsive
The magnetic force between two opposite poles (north-south) is attractive

Therefore, we have the following situations in this problem:

Here we are holding the two north poles together: since they are like poles, they repel each other, so the force in this case is repulsive

Here we are holding a north pole and a south pole together: since they are opposite poles, they attract each other, so the force in this case is attractive

Learn more about magnetic fields:

brainly.com/question/3874443

brainly.com/question/4240735

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3 years ago

The force of gravity acting on an object is 300 N. What is the mass of the object?btw u’ll get 25 points if u answer

Nikolay [14]

Answer:

m=30.581kg

If you use 10m/s/s for your value of g then the answer is 30kg)

Explanation:

Assuming this is happening on earth, acceleration due to gravity (g) is 9.81m/s/s.

Force of gravity is the acceleration due to gravity multiplied by its mass:

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300=(9.81)m

m=30.581kg

If you use 10m/s/s for your value of g then the answer is 30kg)

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3 years ago