Summarize the evidence indicating that over several hundreds of years or more there have been variations in the level of the solar activity.

How many protons and neutrons are present in an atom of 3919k? express your answer as integers separated by a comma?

State a material that has poor thermal conductivity

What is nonuniform positive acceleration?

Felipe and marahea where studying friction they did a experiment and placed four blocks on a plastic tray which block will have the least amount of friction A a ice block, B a sponge block, C sandpaper block, or D a plastic block

What best describes the goals of scientific investigation and technological development?

A cell provides 6 V to an LDR. The current through this LDR is measured and is found to be 3 A. What is the resistance of the LDR?

A car travels along eastward with a constant velocity. the magnitude of the acceleration of the car is

What is the weight of a 65 kg astronaut on mars?

When lava cools, what type of Rock forms?

A uniformly charged conducting sphere of 1.1 m diameter has a surface charge density of 6.2 µC/m2. (a) Find the net charge on the sphere. (b) What is the total electric flux leaving the surface of the sphere?