Particles that attract each other are A. two electrons.
B. two protons.
C. one proton and one electron.
D. one proton and one neutron.

Aprojectile is launched horizontally 10m above the ground and with an initial velocity of 15 m/s. a) sketch the trajectory using an appropriate coordination system. b) how long for the projectile to reach the ground. c) how far did projectile travel horizontally before striking the ground. d) determine the projectilex & y position at t-1.3s e) determine the magnitude and direction of projectile velocity at t= 1.3s f) determine the magnitude and direction of projectile acceleration at t-1.3s

Which of the following represents an upside-down image?

An uplifted block of rock between two normal faults