A car crashes at 18 m/s and comes to rest in 1 second. The driver, whose mass is 60 kg, is protected by wearing a seat belt and the airbag inflating. The driver comes to rest in 2 seconds. What is the force of the driver? Please help! If you can, I might give to whoever has the best answer :)

The y form of iron is known as: a) ferrite b) cementite c) perlite d) austenite

Aplate clutch has a single pair of mating friction surfaces 250-mm od by 175-mm id. the mean value of the coefficient of friction is 0.30, and the actuating force is 4 kn. a) find the maximum pressure and the torque capacity using the uniform-wear model. b) find the maximum pressure and the torque capacity using the uniform-pressure model.

What is the main objective of using reheat rankine cycle?