A 50kg mass is suspended from one end of a wire of length 4m and diameter of 3mm whose other end is fixed .what will be the elongation of the wire ?.take the young modulus for the material of the wire to be 7×10^10Nm-²​

Ahot-air balloonist, rising vertically with a constant speed of 5.00 m/s releases a sandbag at the instant the balloon is 40.0 m above the ground. after it is released, the sandbag encounters no appreciable air drag. compute the velocity of the sandbag at 0.250 s after its release.

True or false graphs must include scales that increase by the same amount

Sort the images based on whether there's a force of attraction or repulsion between the magnets shown. attraction repulsion