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Rasek [7]
2 years ago
11

while standing on the sidewalk facing the road, you see a bicyclist passing by toward your right. in the reference frame of the

bicyclist in which direction are you moving?​
Physics
1 answer:
cricket20 [7]2 years ago
7 0

Answer:

Consider frames X and Y:

If X sees Y moving to his right then Y must see X moving to his right.

If this is not true then one can choose one frame over the other ( a favored frame and this is not allowed)

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You're driving your pickup truck around a curve that has a radius of 17 m.
creativ13 [48]

Answer:

v = 10.8 m/s^{2}

Explanation:

The centripetal force experienced by the steel toolbox is provided by the friction between the toolbox and the bed of the truck.

Therefore,

\frac{mv^{2} }{r} = f--------------------------------(1)

Here,

v - speed of truck

m - mass of toolbox

r - radius of curve around which the truck is turning

f - frictional force

f \leq μmg

In order to obtain Vmax, frictional force must also be max

Thus,

f = μmg--------------------------------------------------(2)

Substitute (2) in (1)

\frac{mv^{2} }{r} =  μmg

v^{2} =   μgr

g - 9.8 m/s^{2}

The standard value of coefficient of static friction between steel and steel is

μ ≈ 0.7

Therefore,

v = 10.8 m/s^{2}

7 0
3 years ago
4. What is the amplitude of the waves shown in the diagram below?
densk [106]

Answer:

7.5 m

Explanation:

4 0
2 years ago
A) Give 3 examples of forces that are pulls and 3 examples that are pushes. b) For each example you give, state an approximate v
Stels [109]

Answer:

Explanation:

Force is defined as the push or pull which changes or tries to change the position, state of motion and the shape of the object.

(A) The examples of push are:

To push a chair on the floor, to push the car when it is stopped due to some problem, to push book on the table.

The examples of pull are :

To pull a chair towards you, to pull a string in a game of top, to pull the string in a gym.

(B) To push a chair or a book, the force required is small as compared to the to push a car.

To pull a chair or the string of top is less than the force to pull the string in gym.

7 0
2 years ago
Studies have shown that viewing violent actions in the media __________ the inhibition against performing those actions, especia
Airida [17]

Answer:

Decreases

Explanation:

4 0
2 years ago
Read 2 more answers
How much time passes when an object travels at a constant speed of 17 m/s over a distance of 323 m? Identify Variables, write fo
k0ka [10]

Answer: 19 s

Explanation:

The relationship between speed, distance  and time is given by:

velocity= distance/time

time= distance/velocity= 323 m/17 m/s= 19 s

8 0
3 years ago
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