10. Which of the following statements about weight is true? A: Weight is force of gravity on the mass of the object
B: Weight is the same everywhere, even on the moon
C: Weight is measured in kilograms
D: Weight is only measurable when an object is moving.

The momentum of an isolated system is conserved a) only in inelastic collisions. b) only in elastic collisions. c) in both elastic and inelastic collisions

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?

70 give a real life example showing how sensory neurons work with the motor neurons