Answer to Question #100661 in Physics for danny

Question #100661

In a 5.00 km race, one runner runs at a steady 12.0 km/h and another runs at 14.0 km/h .

Expert's answer

How long does the faster runner have to wait at the finish line to see the slower runner cross?

t=\frac{d}{v_1}-\frac{d}{v_2}

t=\frac{5}{12}-\frac{5}{14}=0.06\ h=3.6\ min

Learn more about our help with Assignments: Physics

Comments

No comments. Be the first!

Leave a comment

Related Questions

1. Transform equation I=E/R+r to linear form
2. an arrow of mass 0.018 kg is shot upwards at an angle from the ground, reaching a maximum height of
3. Two helicopters A,B fly in a space with velocities Va=i+2j+3k and Vb=4i+2j-4k. Relative to a station
4. a 12kg box is placed at the top of an incline that is 5.5 m long and makes an angle of 38 degrees to
5. You serve the tennis ball to your opponent from a hight is 2.6m with an initial velocity of 20.4m/s
6. What is the mass of 180.3 cm 3 of lead if the density is 11.4 g/cm 3?
7. Find the heat in jouls produced in an electronic cord of resistance 30 ohms when a current of 5 ampe