Calculate the tension force of the object below. Show your work.
90 kg

What is the radius of the circular path ofa charged particle in a magnetic field?

During a medieval siege of a castle, the attacking army uses a trebuchet to hurl heavy stones at the castle walls. if the trebuchet launches the stones with a velocity of at an angle of 50.0°, (a) how long does it take the stone to hit the ground? (b) what is the maximum distance that the trebuchet can be from the castle wall to be in range? (c) how high will the stones go? show all your work.

What type of force holds atoms together in a crystal?