The Lambda-CDM model contains a cosmological constant, denoted by a lambda (λ) which is associated with dark energy and .

A1000-kg weather rocket is launched straight up. the rocket motor provides a constant acceleration for 16-s, then the motor stops. the rocket altitude 20-s after launch is 510-m. you can ignore any effects of air resistance. a. what was the rocket’s acceleration during the first 16-s? b. what is the rocket’s speed as it passes through a cloud 5100-m above the ground?

The earth exerts a gravitational force of 500 n on amy. what is amy’s mass in kg?

Acid precipitation chemically weathering a 5.0-kg limestone rock . which coukd be the result ?