Achild on a spinning playground ride is 0.36 m from the center of the ride. the centripetal force on the child is 19 n.

what is the mass of the child if the child has a tangential speed of 0.54 m/s?

3.7 kg
13 kg
23 kg
79 kg

Answer : The mass of the child is, 23 kg.

Solution :

Formula used for centripetal force is,

where,

= centripetal force  = 19 N

m = mass of an object = ?

r = radius of path  = 0.36 m

v = velocity or tangential speed of an object  = 0.54 m/s

Now put all the given values in the above formula, we get the mass.

Therefore, the mass of the child is, 23 kg.

the element that provides strength to the exoskeletons of clams and oysters is phosphorus. this is so because calcium carbonate is the main component in the shells.

explanation: