State a material that has poor thermal conductivity

As water is heated by the sun, it becomes less dense and rises. What causes the decrease in the density of warming water?

A golf ball comes to rest 1.90 seconds after hitting a net. The force of the net slowed the ball down at a rate of 56.3 m/s^2. What was the velocity of the ball when it first hit the net?

What is the difference between the four levels of cellular organization

A very famous motorcyclist plans to jump across a canyon 3.5 kilometers wide. he plans to use a 30 degree ramp and leaves it at 196 m/s. Will he make it? show all calculations to prove your answer

What is a vector? A. a scalar quantity B. a quantity that has magnitude and direction C. a magnitude that can be measure D. a direction

A 1650 kg car accelerates at a rate of 4.0 m/s^2. How much force is the car's engine producing?

What is an example of when momentum is not conserved?

When a certain isotope, such as U-238, is hit by a neutron, it will always split into the same smaller nuclei. true or false?

A person walks 7 feet east stops and walks 7 feet west

Using the drop-down menus, choose the right government service to complete each sentence. Providing a free public education for all children is an example of supporting. Fighting fires is one way in which the government ensuresfor citizens.