Sound travels 2146 m through a material in 1.4 seconds. what is the material?

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

Which of the following is the result of the nuclear weak force? the instability of large nuclei the repelling force between positively charged protons the structure of the atom certain types of nuclear decay

If angle "a" is 25°, angle "b" is: a) equal to angle c b) less than angle c c) greater than angle c