# Yahoo Web Search

1. ### vehicle covered 150 m journey. The 2/3 of 150 m covered by a time 3 h more than the 1/3 of 150 m. Total speed for covering 150 m is 5.0 m/h?

...150/5 - 3)/2 = 13.5 h Sub into t1 t1 = t2 + 3 = 13.5 h + 3 h = 16.5 h Speed for the 1st leg v1 = d1/t1 = (2/3*150 m) / 16.5 h = 6.06 m/h Speed for ...

1 Answers · Science & Mathematics · 01/12/2014

2. ### Need a serious genius to answer this question for me about relative speeds ?

... it right. The 'classic' equations that we use for kinematics and apparent velocities are really special cases of...

2 Answers · Science & Mathematics · 26/10/2009

3. ### Why shouldnt we raise the speed limit to 125km/h?

... are for walking and running speed and not for Need for speed km/h. This is physics, yeah? lol.

10 Answers · Science & Mathematics · 31/05/2008

4. ### Need help finding speed and acceleration?

...velocity = distance / time = 72/3 = 24 m/s .... This is the final velocity for 1st stage. Now 1st stage distance = (1/2) (initial velocity + final velocity...

3 Answers · Science & Mathematics · 19/10/2015

5. ### what is the formula for the speed of sound in water?

...of longitudinal, mechanical wave. They need a medium to propagate and will not travel through... travels at different speed in different media. The...much a substance could be compacted for a given pressure. The ...

4 Answers · Science & Mathematics · 04/03/2007

6. ### using physics, why can't a person go at max speed for an extended period of time?

...high energy foods, while maintaining high speed like marathon runners and cyclists do... a reduction in effort, to provide the time needed for the body systems to remove the "waste"...

1 Answers · Science & Mathematics · 01/06/2011

7. ### A motorist travels 160 km at 40 km/h and 160 km at 100 km/h. What is the average speed of the motorist for ...?

You first need to find how long the entire trip took so for the first part: 160 km / 40 km/hr = 4 hr and the second 160 km...

1 Answers · Science & Mathematics · 02/09/2010

8. ### Is the orbital speed required for weightlessness a constant for Earth no matter the altitude? ?

... closer to earth (smaller r) increases the orbital speed needed .

7 Answers · Science & Mathematics · 01/01/2020

9. ### help needed for physics!!!?

...'ve got it upside down -- V1 is the higher speed , and V1 / V2 = √2 If you find this helpful, please award ...

1 Answers · Science & Mathematics · 30/05/2016

10. ### Physics question for finding the speed of the airplane?

We need to work in consistent units. u = 180/3.6 = 50 m/s a = -1/5 m/s^2 ...

3 Answers · Science & Mathematics · 08/10/2008