Phenolphthalein turns pink in salt water

Technician a says that the coolant heat storage tanks used in some hevs are made of an inner and outer casing with pressurized gas in between for insulation.

This is a unit of electrical resistance

What is the result of changing the dielectric in a capacitor to a dielectric with a larger dielectric constant? A. The capacitor will have a lower charge at a given potential energy. B.

What is the magnitude of the force you must exert on the rope in order to accelerate upward at 1.4 m/s2, assuming your inertia is 63 kg? Express your answer with the appropriate units.

What are the main forms of energy? Define each type

A lever allows a 35 N load to be lifted with a force of 7 N. What is the mechanical advantage of the lever?

A container of gas is at a pressure of 3.7 * 105 Pa How much work is done by the gas if its volume expands by 1.6 m3?

A person carries a mass of 10 kg and walks along the + x-axis for a distance of 100m with a constant velocity of 2 m/s. What is the work done by this person? A) 20 J B) None of the other choices is correct. C) 0 J D) 200 J

Uranus has more than 14 times as much mass as earth, yet the gravitational force is less. how can that be?

What is velocity-time graph?