A bus travels a distance of 120 km with a speed of 40km per hour and returns with a speed of 30km per hour calculate the average speed for the entire journey

What is the unit of density

What is one benefit of exercise for teenagers? Question 11 options: Stronger bones More injuries Increased chance of heart disease Weakened immune system

The initial temperature of a bomb calorimeter is 28.50° c. when a chemist carries out a reaction in this calorimeter, its temperature decreases to 27.45° c. if the calorimeter has a mass of 1.400 kg and a specific heat of 3.52 j / (gi° c.

The illusion of water on top of hot asphalt on a summer day is: A. diffusion. B. a mirage. C. an incident ray. D. All of the choices are correct.

The fastest plane ever made, the Lockheed SR71, was able to travel 2200 miles per hour. Based on this speed, how far can it travel in 2 hours, 3 hours, and 5 hours?

What is a difference between an isotope and a ion

2. An airplane travels 335 miles in 45 minutes. How fast does it travel? How fast is that in km/hr?

A falling skydiver opens his parachute. A short time later, the weight of the skydiver-parachute system and the drag force exerted on the system are equal in magnitude.

Consider the expression below. Assume m is an integer. 6m (2m + 18) Enter an expression in the box that uses the variable m and makes the equation true. (Simplify your answer completely. If no expression exists, enter DNE.)

What could be put into the center section of this Venn diagram?