I think its D and I just joined but yeah it has to be D is my final answer
If a substance can not be separated physically or chemical it is an element.
He got u too bad for the late reply to the question I have;)
False. That description fits the wave's 'frequency'.
It has nothing to do with refraction.
Answer:
b and e
Explanation:
r x F is the formula for torque.
The "turning effect" or torque happens when concentric forces rotate an object along said center.
a) False because T = Fr = Ia (a = angular acceleration)
b) True
c) False. L = Iw (w = angular velocity), which does not equal Ia
d) False. It is torque, not the product of torque and something else
e) True.
