The horizontal acceleration of a projectile a. is zero b. stays ...

[dakota nelson]

The horizontal acceleration of a projectile
 a. is zero
  b. stays constant
  c. continuously increases
  d. continuously decreases
  e. sometimes decreases and sometimes increases

Question 2

What happens in beta plus decay?
 a. The nucleus emits an electron, a neutron becomes a proton, and the atomic number goes up.
  b. The nucleus emits a positron, a proton becomes a neutron, and the atomic number goes down.
  c. The nucleus captures an electron, a proton becomes a neutron, and the atomic number goes down.
  d. The nucleus captures a positron, a neutron becomes a proton, and the atomic number goes up.
  e. The nucleus emits an electron, a neutron becomes a proton, and the atomic number goes down.

[olderstudent]

Answer to Question 1

A

Answer to Question 2

b