Un automóvil dd 35kg parte del reposo girando 25 veces sobre una pista circular de diámetro de 30m, durante un tiempo de 20s, determine:​

Identical marbles are released from the same height on each of the following four frictionless ramps . compare the speed of the marbles at the end of each ramp. explain your reasoning

The discovery of the electron as a subatomic particle was a result of

Frequency of electromagnetic waves that a radio station is assigned is called