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What is the identity of the planets?

Planet

Distance from Sun (km)

778,600,000

4,495,100,000

1,433,500,000

2,872,500,000

James Prescott Joule demonstrated that work could generate heat using his churn. In order to truly demonstrate that energy is conserved, the next logical step would have been to convert that heat entirely back to work. why was this not done?

Which of these is an element? A. Water B. Potassium C. Sugar D. Salad

Define the term acceleration due to gravity

According to newton's second law of motion, an object will accelerate if you apply what kind of force? a. Inertial force b. Frictional force c. balanced force d. unbalanced force

Ethan pushes a wooden box across a carpet floor then he pushes the same box across a smooth marble floor why does Ethan find it easier to push the box on the marble floor than carpet floor

g A satellite dish has the shape of a parabola when viewed from the side. The dish is 56 inches wide and 49 inches deep. How far is the receiver from the bottom of the dish if the receiver is placed at the focus?

The heat released by burning candle is an example of thermal energy

A mass m is split into two parts, m and m-m, which are then separated by a certain distance. what ratio m/m maximizes the magnitude of the gravitational force between the parts

Which of these materials is the most malleable? Select one: A. notebook paper B. copper C. window glass D. granite

Which chart correctly describes the properties of magnets and electromagnets? A. Property Electromagnet Magnet Permanent magnet X Temporary magnet X X Magnetic field created by aligning domains X Moving electric charge produces magnetic field X B.