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.
Projectile Motion
Horizontal Pressure Gradients in the Upper Atmosphere
Relative Humidity Changes at Constant Water-Vapor Content
What is the value of the equilibrium constant, K, at 25°C for the reaction?
Write equilibrium constant expressions for the following reactions in terms of concentration:
Americium-243 has a decay constant of 9.39 × 10-5 years-1. How long will it take