un cuerpose mueve descrbindo una trayectoria circular en 50cm de radio, si tardarda4 segundos en completar 20 vueltas ¿ cula es la aceleracion centripeta

Keneila is attempting to ski down a 20 m high friction free hill for the first time. she has a speed 10 m/s at the top. what is her kinetic energy when she is a the bottom, 20 m ? (a)2500 j (b)9800 j (c)12300 j (d)3100j (e)15000j

While you are driving in the lane next to the curb on a multi-lane road the car on your left suddenly moves toward you lane. they are about toy crash into your front fender. you

If the new moon happens on january 15th, what shape will it be on february 6th?