If 200 J of work is peformed by a tool in 20 seconds what is the power of the tool

A thermometer is placed in water in order to measure the water's temperature. what would cause the liquid in the thermometer to rise?

Jim runs off a diving board and lands in the water 3 meters from the end of the board. When he runs at the same speed on a higher diving board, he lands in the water 5 meters from the end of the board. Why is this?

When Mendeleev organized elements in his periodic table in order of increasing mass, similar elements with similar properties were in the same (Blank)

A cyclist rides 8.0 km east for 20 minutes, then he turns and heads west for 8 minutes and 3.2 km. Finally he rides east for 16 km, which takes 40 minutes. (a) What is the final displacement of the cyclist? (b) What is his average velocity?

If an object emits or reflects light

A stick is a connection of two same - diameter metal rod 5 cm, and a length of both stick is 0,6m. The thermal conductivity of the first rod 92 cal / s. m.°C, and the second stick 50 cal / s. m.°C.

you can produce a sound by plucking a string or by blowing in a pipe. how are these two ways different?

There are four springs stretched by the same mass. Spring A: 25 cm Spring B: 10 cm Spring C: 100 cm Spring D: 1 cm Which spring is the strongest? A B C D

Consider a rough asphalt roadway with 17 cm curbs and one 3.75 m lane in each direction and a 1.45 m shoulder on each side. The road has a longitudinal slope of 0.75% and is crowned in the center with a transverse slope of 2.25%.

An example of an opinion would be which of the following? bob s burgers is the best show on television. cake is appropriate for many occasions. earth is 238,900 miles from the moon. none of these