For a Soap Box racer, on a 302 m long course, start from rest, and accelerating at a constant 1.27 m/s?, how long will the racer take to reach a velocity of 8.55 m/s?
A 5.30 s
B 10.9 s
C 35.3 5
D 6.73 s.
E 21.8 5

The charge on an electron is 1.60218 × 10−19 c and its mass is 9.10939 × 10−31 kg. how strong a magnetic field must be experienced by the electron if its path is a circle of radius 5.5 cm? answer in units of t.

An architect plans to use solar energy to heat the next house he designs. what principle of absorption and infrared energy can be applied to the design of the new house? how could she apply to those principals?

Abumper car with a mass of 250 kg is traveling at a speed of 4 m/s. this bumper car collides and sticks to a second bumper car with a mass of 250 kg, which is initially at rest. what is the final speed of these two bumper cars after the collision, assuming they remain stuck together?