When we look at the sun, we are seeing it as it was 8 minutes ago. so we can only see the sun "in the past." when you look at the back of your own hand, do you see it "now" or "in the past"?

A pair of scissors is a first class lever. The fulcrum is between the handle and the blades. The blades contain two simple machines back to back: they are A) gears. B) levers. C) inclined planes. D) wheel and axles.

at 1 p. m. a car traveling at a constant velocity of 78 km per hour towards the West it's 34 km to the west of our school how far from the school will it be at 3:30 p. m.

A boxed 14.0 kg computer monitor is dragged by friction 5.50 m up along the moving surface of a conveyor belt inclined at an angle of 36.9 ∘ above the horizontal. The monitor's speed is a constant 2.30 cm/s.

Recessive Disorder or Disease - How would a child get it?

When a current flows through a metal wire, the moving charges are When a current flows through a metal wire, the moving charges are 1. only electrons. 2. both protons and electrons. 3. positive metal ions. 4. only protons. 5. negative metal ions. 6.

A climber pulls herself 8 meters upwards with a force of 150 Newtons. If it takes her 16 seconds to cover the 8 meters, how much power is she using? A. 40 W B. 55 W C. 70 W D. 75 W

How is volume calculated directly and indirectly

Which state of matter has the greatest amount of particle movement?

An engineer wishes to design a hydraulic system that will transmit pressure of 10,000 pascals using a force of 15 newton's how are large an area should the input piston have

What is the meaning of heredity