How much energy is passed from one trophic level to the next

which one of the following will never happen when we use machine a force multiplication B innogy multiplication C is speed multiplication D changing the direction

The full range of energy in sunlight can best be described as

The heat capacity of 0.125Kg of water is measured to be 523j/k at a room temperature. Hence, calculate the heat capacity of water (a) per unit mass (b) per unit volume

A horizontal uniform board of weight 125N and length 4 m is supported by vertical chains at each end. A person weighing 500N sitting on the board. Thr tension in the right chain is 250N. How far from left of the end person is sitting

What happens to the molecules when the gas is compressed

Which of the following statements best describes the relationship between force and work? a. Work equals force divided by distance. b. Force and work are two terms for the same thing. c. Work is equal to certain forces, like gravity and friction. d.

A herringbone or tire track pattern on a radiograph is a result of

A 7150-kg railroad car travels alone on a level frictionless track with a constant speed of 24.5 m/s. A 3100-kg load, initially at rest, is dropped onto the car What will be the car's new speed?

How is friction related to conservation if mechanical energy?

Does the ear drum vibrates when struck by sound waves and directly sends a message to the brain that is then recognized as sound?