Saturday

February 28, 2015

February 28, 2015

Posted by **tracey** on Wednesday, September 19, 2012 at 4:25pm.

- physical sciencei -
**maria**, Friday, September 21, 2012 at 3:07pmke=1/2 (mass)(velocity)

ke=1/2mv^2

ke= 1/2m(10^2-0^2) ke=1/2m(20^2-10^2)

ke=1/2m(100) ke=1/2m(400-100)

ratio is 300/100 or 3/1

**Answer this Question**

**Related Questions**

Physical Science - is the work needed to bring a car's speed from 0 to 10 km/h ...

physics - is the work needed to bring a car's speed from 0 to 10 km/h less than...

physics - Is the work needed to bring a car's speed from o to 10km/h less than, ...

physics - A car moving at a speed of approximately 176.5 km/h. 923 m in front ...

Physical Science - A bicycle and its rider together have a mass of 80 kg. If the...

Physical Science - A bicycle and its rider together have a mass of 80 kg. If the...

ap physics - can you check my answers? 2.is more work required to bring a fully ...

Physics-check - can you check my answers? 2.is more work required to bring a ...

Physics - A speed trap is set up with two pressure-activated strips placed ...

science - A car with a mass of 700 kg moves at 18 m/s. What braking force is ...