If a positively charged particle moving to the right enters a magnetic field and is pushed downwards, what direction must the magnetic field be? Please help!! I need it to be explain to me.

An inclined plane wrapped around a metal shaft is a a. lever b. screw c. pulley d. wedge

Gas cloud 1 is likely to form a star. gas cloud 2 is not. based on this information, match the given conditions with each cloud

Determine the fraction of the magnitude of kinetic energy lost by a neutron (m1 = 1.01 u) when it collides head-on and elastically with a target particle at rest which is 21h (heavy hydrogen, m = 2.01 u).