A cannon can fire a cannonball at 20m/s. A sandpit is placed at a distance of 40m away. At what angle should the cannon be fired in order for the cannonball to land in the sand.

Assume: No air resistance Sandpit of negligible height *** Steps (To be explained on whiteboard in full) Draw a diagram First look vertically Then look horizontally Formulate final equation for angle Sub in values given and find angle

JG

Related Physics A Level answers

All answers ▸

What is a potential divider?


A positively charged particle enters a magnetic field oriented perpendicular to its direction of motion. Does the particle: A) Change its velocity, B) Change its speed, C) Accelerate in the direction of the magnetic field.


What speed do satellites orbit at?


A projectile is fired out of a cannon at 50 km/s, at an angle of 30 degrees and an elevation of 10m from the ground. How long does it take for the projectile to hit the ground?