The mass of a piece of cork is 20g. what fraction of the cork is immersed when it float in water? [Take density of cork to be 0.25g/cm³].​

A100 kg running back runs at 5m/s into a stationary linebacker. it takes 0.5 for the running back to be completely stopped

Wavelength of 125 meters is moving at a speed of 10 m/s. what is it's frequency?

Acharged particle moves in a circular path in a uniform magnetic field. which of the following would increase the period of the particle's motion? check all that apply. increasing its chargeincreasing its massincreasing the field strengthincreasing its speed