If it takes 35.5 seconds for a particle to go around 20 times on a circle with radius of 1.25 m, what are the period t and speed v of the particle? calculate the magnitude and direction of the centripetal acceleration for the particle. if the mass of the particle is 0.25 kg, what is the magnitude and direction of the centripetal force?

Which best describes how fluids change as they travel through different portions of the convection currents? they change to solids at the outer portion of the convection currents. they change to solids at the inner portion of the convection currents. they become more dense at the outer portion of the convection currents. they become more dense at the inner portion of the convection currents

True or false graphs must include scales that increase by the same amount

Which of the following is the phase that results when the moon is on the opposite side of the earth from the sun? a. quarter moon b. crescent moon c. new moon d. full moon