A 900-kg car moving at 10 m/s takes a turn around a circle with a centripetal acceleration of 4 m/s2. Determine the radius of the car in uniform circular motion.

Astone dropped into a well is heard to strike the water after 8seconds. find the depth of the well if the velocity of sound is 350m/s

The weights of bags filled by a machine are normally distributed with a standard deviation of 0.05 kilograms and a mean that can be set by the operator. at what level should the mean weight be set if it required that only 1% of the bags weigh less than 9.5 kilograms? round the answer to 2 decimal places.

How much energy will be transferred to your eardrum while listening to this sound for 1.0 min?