A projectile is launched straight up at 135 m/s. Determine how fast it is moving at the top of its trajectory (flight).

9. From the densities below, decide whether each substance will sink or float in sea water. Sea water has a density of 1.025 g/ml. (Write sink or float on the line.) Gasoline 0.66 g/ml Asphalt 1.2 g/ml Cork 0.26 g/ml

A 4 kg object possesses 18 J of kinetic energy. What is its velocity?

A wave along a guitar string has a frequency of 540 Hz and a wavelength of 4.3 m. Calculate the velocity of the wave.

99 pts! Match the vocabulary word with the correction definition. 1. exterior angle of a triangle (Model 1) 2. remote interior angles (Model 2) 3. auxiliary line (Model 3) 4.

This is one of the three main types of rocks one in which fossils are frequently found

Provides most of the energy used in the world today. Question 4 options: wind fossil fuel moving water sunlight

How does an atom of chlorine-37 become a chloride ion with a - 1 charge? 17 35.45 O A. The atom gains 1 electron, to make a total of 21. O B. The atom gains 1 electron, to make a total of 18. O C. The atom loses 1 proton, to make a total of 36. O D.

What is the momentum of a 500-kg car moving at 10 m/s?

Which statement describes the formation of a nebula? A. An elliptical flattened disk begins. B. A bulging core with irregular stars around it forms. C. A large flattened core at the center contracts. D. Gases from a dead star gather and contract.

What are 4 things that can happen to a light wave when it hits an object?