The answer is either A or D, but most likely A.
Answer:
Positive
Explanation:
Protons have positive charges
Electrons have negative charges and
Neutrons have neutral charges.
Answer:
1- C 2-B 3-B - these are ur best answers
Explanation:
Answer:
Energy dissipated = 540 kJ
Explanation:
Energy dissipated = Change in kinetic energy
Initial velocity = 30 m/s
Mass, m = 1200 kg
Final velocity = 0 m/s
Energy dissipated = Change in kinetic energy = 540000-0 = 540000J
Energy dissipated = 540 kJ
Answer:
wavelength refers to the length of a wave from one peak to the next.the amplitude of a wave Is measured from the peak to the trough