A 7.55 X10^ 13 kg comet orbits the sun with a speed of 0.173 km/s. If the centripetal force on a comet is 505 N, how far is it from sun?

In positive numbers less than 1, the zeros between the decimal point and non zero are significant

What is a subatomic particle with a negative charge and very little mass?

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.