If the mass of the helicopter is 4500kg, and the net force on it is 18,000 N, what is the helicopter's acceleration?

How does an impulse propagate down the axon

Suppose that during any period of 1/4 second there is one instant at which the crests or troughs of component waves are exactly in phase and maximum reinforcement occurs, how many beats will occur in 1 second (a) 4 (b) 8 (c) 2 (d) 12

What type on msd causes inflammation of the tendons that correct bones to muscles

Which is not a benefit of stretching? decreased flexibility improved tissue strength decreased chance of injury relief for tense muscles

If two asteroids moved closer together, what would be the result on the gravitational force each asteroid exerts on the other? A. The gravitational force would increase. B. The gravitational force would decrease. C.

Inductors in parallel. Two inductors L1 = 1.31 H and L2 = 2.24 H are connected in parallel and separated by a large distance so that the magnetic field of one cannot affect the other. (a) Calculate the equivalent inductance.

The amplitude of an oscillator decreases to 36.7% of its initial value in 29.5 s. part a what is the value of the time constant

Which is a derived unit? A Meter B Second C Kilogram D Newton

What is the period of vibration for a wave with a frequency of 150 hertz?

What direction do s waves move in