A 515kg roller coaster is at the bottom of a loop with a radius of
10m. If the speed at the bottom of
the loop is 20mis, what is its
centripetal acceleration?

Which is the best for showing percentages of different types of cars sold(gas hybrid , electric , other ) in the united states ?

Karen is running forward at a speed of 9 m/s. she tosses her sweaty headband backward at a speed of 20 m/s. the speed of the headband, to the nearest whole number relative to a stationary observer watching karen

What causes the formation of ocean currents?