A portable electric heater has a resistance of 10 ohms. It plugs into a wall outlet that is 120 V. How much current, in amps, does it draw?

In physics how much energy is required to raise the temp of 9.78kg of water from 40.82c to 52.07c? The specific heat of water in this state is 4186j/kg-c.

A system uses 2380 I of energy to do work as 12,900 j of heat are added to the system. The change in internal energy of the system is

A 6 cm long spring extends to 9 cm when a 1 kg load is suspended from it. What would be its length if a 2 kg load were suspended from it? a. 12 cm b. 15 cm c. 18 cm d. 21 cm

What type of evidence is the best indicator of how closely two species are related

What must be the orbital speed of a satellite in a circular orbit 740 km above the surface of the earth?

A. A PH202 student lives next to a construction site and sees a crane with a wrecking ball demolish the building next door. The wrecking ball swings along the wall between her house and the neighbor's house.

Sometimes when you are training for event you may notice a decrease in improvement in level out of performance true or false

Two sailboats leave a harbor in the bahamas at the same time. the first sails at 23 mph in a direction 330°. the second sails at 34 mph in a direction 190°.

What conclusion can be drawn from the statement that an element has high electron affinity, high electronegativity, and a high ionization energy? A) The element is most likely from Group 1A or 2A and in period 1 or 2.

When a cyclist rides past you on the street, this is an example of