I A cannonball is shot from the top of
a 47.8 m high hill at a speed of
53.7 m/s. At its highest point, it is
moving at 31.5 m/s.
How high is it then?
[?]M

How does convection affect our atmosphere? our layers of earth? our oceans?

Aforce of 240.0 n causes an object to accelerate at 3.2 m/s2. what is the mass of the object?

How does the kinetic energy of a charge change as the charge moves under the effect of an electric field from higher potential to lower potential? a.the kinetic energy increases.b.the kinetic energy decreases.c.the kinetic energy remains the same.d.the kinetic energy is always zero.