Homework Help: physics

Posted by olivia on Wednesday, February 9, 2011 at 2:19pm.

Locomotive exert on a 13160-kg boxcar to make it accelerate forward at 0.40 m/s2. How long will it take the boxcar to reach its cruising speed of 105 km/h (65.2 mph or 29.2 m/s)?

physics - olga, Wednesday, February 9, 2011 at 3:19pm
29.2m/s= t*.40m/s^2+0
t=29.2m/s/.40m/s^2
t=73s

Answer this Question

Related Questions

Physics - Locomotive exert on a 12560-kg boxcar to make it accelerate forward at...
physics - Boxcar A, with a mass of 1500 kg, is travelling at 25 m/s to the east...
physics - Boxcar A, with a mass of 1500 kg, is travelling at 25 m/s to the east...
physics - Boxcar A, with mass of 1500 kg, is travelling at 25 m/s to the east. ...
Physics - A 9000 kg boxcar traveling at 17.0 m/s strikes a second boxcar at rest...
Physics - A 9000 kg boxcar traveling at 17.0 m/s strikes a second boxcar at rest...
Physics - In a railroad yard, a 2.0×104 kg boxcar moving at 10m/s is ...
physics - A boxcar of mass 200 tons at rest becomes uncoupled on a 2.5 degree ...
Physics - A boxcar of mass 200 tons at rest becomes uncoupled on a 2.5 degree ...
physics again. - A boxcar of mass 200 tons at rest becomes uncoupled on a 2.5 ...

For Further Reading

First Name:
School Subject:
Answer: