BRUH CAN YALL HELP ME RN PLZ HOMEBOY NEEDS HELP A dynamic stretch is (3 points)

safe, because it involves gradual and controlled movements

safe, because it extends the joint beyond its range of motion

unsafe, because it uses the body's momentum to stretch the muscle

unsafe, because it requires quickly stretching the muscle and joint

Electromagnetic induction. a coil of wire contains n turns and has an electrical resistance r. the radius of each turn is a. initially, inside the coil there exists a uniform magnetic field of magnitude b0 parallel to the axis of the coil. the magnetic field is then reduced slowly. the current induced in the coil is i. how long does it take for the magnitude of the uniform field to drop to zero?

What is the weight of a feather (mass = 0.0001 kg) that floats through earth's and the moon's atmospheres?

If the spring constant k of a pogo stick is 3500 n m and the weight of the person on the pogo stick is 700 n, how much is the spring in the botom of the pogo stick compressed?