60 Answered Questions for the topic Motion

03/21/21

#### Physical Science

How does the motion of the Earth provide us with life and How does the Earth take care of us through its motion around the sun, Through the moon’s motion around the Earth?

12/06/20

#### Why does the water in the glass shift backward when force is first applied, and then shifts forward when it comes to a stop? (hint: Newton’s first law of motion)

Please help by explaining it short and simple, but in an easy to understand.

12/06/20

#### Why does the water in the glass shift backward when force is first applied, and then shifts forward when it comes to a stop? (hint: Newton’s first law of motion)

Please help by explaining it short and simple, but in an easy to understand way.

12/06/20

#### Why does the water in the glass shift backward when force is first applied, and then shifts forward when it comes to a stop? (hint: Newton’s first law of motion)

Please explain it short and simple, but in an easy to understand way.

11/21/19

#### circular motion question

A 67 gram coin sits on a horizontally rotating turntable. The turntable makes 1.7 revolution each second. The coin is located 10 cm from the axis of rotation of the turntable. The coin will slide...
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11/21/19

#### friction question

A car is traveling at 25 m/s along a horizontal road. The coefficients of friction between the road and the tires are us=0.95 uk=0.34.Calculate the distance the car travel before stopping if the...
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11/21/19

#### physics circular motion

A 99 gram coin sits on a horizontally rotating turntable. The turntable makes 1.2 revolution each second. The coin is located 10 cm from the axis of rotation of the turntable. The coin will slide...
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Motion Physics

09/06/19

#### Elementary mechanics

an object is shot from the ground at 125m/s at an angle 30o above the horizontal. how far away does the object lands

Motion Physics

08/21/19

#### a body moving in constant acceleration describes successive equal distances in time intervals x y and z prove that 3/(x+y+z)=1/x-1/y+1/z

Motion Physics

06/20/19

#### Speed=20km/h time=2minutes distance=?

This is the class 9th question from the ncert book Chapter name is the m9tion

06/15/19

#### what is the initial speed of the ball when it is projected into the air

A small ball is projected vertically upwards from a height of 3 meters above the groundThe ball hits the ground 2 seconds laterIf air resistance is negligible and the acceleration due to gravity is...
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#### Physics questions

Imagine a large rock that isn’t movable by the current wind pressure. Imagine an L shaped object with the big rock laying on the bottom half. The wind blows at the L shape object and the top half...
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Motion

11/01/18

#### how far will you travel in 5 minutes walking at a rate of 1m/s

09/30/18

#### A plane flies 1200 km in 2.5 hours. What is the average speed of the flight?

The answer choices are A) 480 km/hr B) 300 km/hrC) 1200 km/hrD) 200 km/hr

Motion

07/04/18

#### Starting from stationary position, adam paddles his bicycle to attain velocity of 6m/s then he applies break such that the velocity comes down to 4m/s in 5sec

Need answer

#### Proving that a value does not decay in the process of motion

Hi
How do I go about proving that a value for energy does not decay during the process of motion?
Thanks

05/07/18

#### Motion in 3d - acceleration and its components

Hi
I have found the vector for the acceleration of a particle in 3d, however I have been asked now to give its component that is tangential to the trajectory of the particle. Can I get some...
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#### Finding the speed in 3D motion

Hi
I have been given the position vector of a particle, and have then differentiated this to get the velocity vector for the patricle. I have now been asked to find the speed, but am not sure...
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Motion

04/06/18

#### A body moving in a circular path of radius 0.7m find the distance and displacement covered by the body when it completes 3 /4 of the circle

This question is of 9th standard and of motion chapter

Motion

03/07/18

#### Assume you drop a bag of snacks inside an airplane that is flying due west at 800 km/h. Which of the following is true?, (check the description)

I had this question in a quiz (MCQ). The choices were:
A) the bag moves southwest at speed greater than 800km per
B) the bag will fall straight down (south)
Actually there are two more...
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Motion

03/06/18

#### Please explain where in the loop the rider in a roller coaster would expect it to have the largest velocity.

I think it would be the moment after the roller coaster being at the top of the loop (upside down) as it has the most potential energy but I'm not really sure.

Motion

03/06/18

#### if energy is conserved, why does a marble rolling eventually stop when it hits a cup?

I think this contrasts conservation of energy.

Motion

02/28/18

#### if you are driving 20 Km for 1.5 hours what is your speed and velocity

you are driving south to Birmingham

Motion

02/10/18

#### How long did the car travel at each speed?

A car went 372 miles in 6 hours, traveling part of the time at 55 miles per hour and part of the time at 70 miles per hour. How long did the car travel at each speed?

Motion

02/02/18

#### Mechanics question

A mass 3m moving east at a speed v collides with a mass 2m moving northeast at a speed 2v. The masses stick together what is the resulting speed and direction of the combined mass.

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