According to the law of conservation of mass the total mass of the reacting substances is

A 0.45 kg rock is projected from the edge of the top of a building with an initial velocity of 11.1m/s at an angle of 50 degrees above the horizontal. Due to gravity, the rock strikes the ground at a horizontal distance of 16.

Which statement explains how wind shear is created? Warm air meets hot air from the tropics. Two large storm systems collide over the ocean. Warm, moist air clashes with polar air. Polar air collides with a landmass

The period T of a simple pendulum depends on the length L of the pendulum and the acceleration of gravity g (dimensions L/T^2). (a) Find a simple combination of L and g that has the dimensions of time.

Does wve travel faster through glass or air

In which type of wave do the particles in a medium move parallel to the direction that the wave moves? A. ocean waves B. surface waves C. transverse waves D. longitudinal waves

Describe three ways you can conserve energy in your own home

Which characteristics are used to identify types of metamorphic rocks? Check all that apply. color foliation rock size grain arrangement type of rock before metamorphosis

What is the definition of friction?

Why is money management important? how would you rate your own money management?

What substance is represented by chemical formula C60