A shopping cart that is full of groceries (30kg) is traveling to the right at 40m/s. It collides head on with a stationary, empty cart (10kg). The empty cart is set in motion by the impact. If the empty cart moves with a velocity of 10m/s at what velocity does the full cart move after the collision?

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

Ais a machine that makes work easier when a single force is applied. a simple machine b compound machine c endangered machine d complex machine

An alpha particle with kinetic energy 12.5 mev makes a collision with lead nucleus, but it is not "aimed" at the center of the lead nucleus, and has an initial nonzero angular momentum (with respect to the stationary lead nucleus) of magnitude l = p0 b, where p0 is the magnitude of the initial momentum of the alpha particle and b=1.40×10−12 m. (assume that the lead nucleus remains stationary and that it may be treated as a point charge. the atomic number of lead is 82. the alpha particle is a helium nucleus, with atomic number 2.) what is the distance of closest approach?