Two bullets have masses of 3,0 g and 6.0g, respectively. both are fired with a speed of 40.0 m/s. Which bullet has more kinetic energy? What is the ratio of their kinetic energies

The date of September 22 or 23 is the A. autumnal equinox. B. winter solstice. C. summer equinox. D. autumnal solstice.

An alpha particle is made up of: A: protons and neutrons B: protons and electrons C: neutrons and electrons D: protons and energy

Which property of light would provide evidence for the idea that light is a wave?

What is friction? How does it affect the motion of an object?

Which of the following examples illustrates static friction in action? A. a ball rolling down a hill B. a skater gliding across the ice C. a plane flying through the air D. a car starting to move after the light changes from red to green

What is the weight on earth of a girl with a mass of 38 kg?

50g of ice at 0°C is mixed with 50g of water at 80°C, what will be the final temperature of a mixture in degrees C?

If the Density of an object is 5.2 g/cm3, and its volume is 3.7 cm3, what is its mass

The direction of the magnetic field is determined by which of the following? A. energy of the current B. magnetic domain C. magnetic force D. direction of the current

A ship is traveling at 154 m/s and accelerates at a rate of 1.80 m/s^2 for 1 minute. What will its speed be after that minute? Calculate the answer in both meters per second and kilometers per hour.