A car with a mass of 1200 kg has an engine capable of propelling the car with a maximum force of 3000 Newtons. The car has an air resistance of 200 Newtons and tire friction of150 Newtons at a speed of 10 m/s. What is the car's maximum acceleration from an initial speed of 10 m/s, stated in m/s2? A. 2.2m/s B. 2.8m/s C. 2.5m/s D 1.8m/s

More solar radiation is absorbed by earth’s surface than by

Asolid round steel rod 6.25 mm in diameter and 375 mm long is rigidly bonded to the end of solid square brass rod 25 mm on a side and 300 mm long. the geometric axes of the bare are along the same line. an axial tensile force of 5.4 kn is applied at the extreme ends of the assembly. for steel e = 200 gpa and for brass e = 90 gpa. determine the total elongation for the assembly.

Two 2.0-cm-diameter disks face each other, 1.0 mm apart. they are charged to ±10 nc. what is the electric field strength between the disks? a proton is shot from the negative disk toward the positive disk. what launch speed must the proton have to just barely reach the positive disk?