Each of the coil springs of a car has a spring constant of 25,000 N/m. How much is each spring compressed if it supports 1/4 of the car's 12,000 N weight?

What happens in a global convection cell

At time t=0, a particle is located at the point (3,6,9). it travels in a straight line to the point (5,2,7), has speed 8 at (3,6,9) and constant acceleration 2i−4j−2k. find an equation for the position vector of the particle.

Hydrogen and helium are both members of?