1. an object travels 15 m in 3 s. what is the speed of the car?

2. an object travels 20 m in 4 s heading south. what is the velocity of the object?

Awind turbine is initially spinning at a constant angular speed. as the wind's strength gradually increases, the turbine experiences a constant angular acceleration 0.173 rad/s2. after making 2870 revolutions, its angular speed is 132 rad/s. (a) what is the initial angular velocity of the turbine? (b) how much time elapses while the turbine is speeding up?

Which symbol in the first law of thermodynamics represents the sum of the chemical and thermal energy stored in atoms and molecules? a. q b.w c.v d.u

What happens when the vapor pressure of a liquid is equal to the external pressure?