Achild of mass 25 kg sits on a chair. what is the normal force acting on the child.
a 79.2n
b 133n
c 25.0 n
d 245n

Will mark as brainliest how does a catapult increase the trajectory of an object? ps. answer as if u were a 5th grader

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

Why does the equilibrium position of the spring change when a mass is added to the spring? will the mass oscillate around the new equilibrium position of the spring or the previous position without a mass attached to the spring? if the equilibrium position of the spring changes by 20 cm (assuming no initial mass) when a mass is added to the spring with constant 4.9 kg/s^2, what is the mass of the object attached to the spring?