The sun, sol, is a g-class main sequence star. what is the approximate temperature of the sun's surface

What two factors determine how bright a star appears to be in the sky?

Which of the following statements is/are true? Check all that apply. (A) The total mechanical energy of a system, at any one instant, is either all kinetic or all potential energy.

You pull your car into your driveway and stop. The drive shaft of your car engine, initially rotating at 2400rpm, slows with a constant rotational acceleration of magnitude 30rad/s2. How long does it take for the drive shaft to stop turning?

What is the function of a capacitor in an electric circuit

In a science museum, you may have seen a Foucault pendulum, which is used to demonstrate the rotation of the earth. In one museum's pendulum, the 110 kg bob swings from a 15.0-m-long cable with an amplitude of 5.0° Requried: a.

Ben franklin showed that 1 teaspoon of oil would cover about 0.50 acre of still water. if you know that 1.0 x 104m2 = 2.47 acres, and that there are 5.0 cm3 in a teaspoon, what is the thickness (in cm) of a later of oil?

Which of the following are indicators of chemical changes (choose all that apply): 1. A solid is formed 2. Heat is released or absorbed 3. A gas is released 4. Light or Sound is Produced 5. State of Matter changes 6. A color change takes place 7.

How long do your guests have to wait until the steaks are ready?

Newton discovered that gravity behaves differently in space than it does on Earth. true or false?

A block of wood loses 160 j of gravitational potential energy as it slides down a ramp. if it has 90 J of kinetic energy at the bottom of the ramp we can conclude that