A boy is running with kinetic energy of 810j if the boy has a mass of 80kg what is his peed

Which of the following plays a major role in creating surface currents? A. daily tides B. fish migration C. Earth's rotation D. temperature differences

Which part of a circuit changes electrical energy into another form of energy

A positive charge is placed within the sphere without touching it. You grounded the sphere by touching it with your finger. Then you first removed your finger and then pulled the charge from inside the sphere, again without touching it.

What type of circuit measurement is made by placing a meters test leads in parallel with a deenergized component

If two firecrackers produce a combined sound level of 85 dB when fired simultaneously at a certain place, what will be the sound level if only one is exploded?

What is an example of when momentum is not conserved?

When a certain isotope, such as U-238, is hit by a neutron, it will always split into the same smaller nuclei. true or false?

A person walks 7 feet east stops and walks 7 feet west

Using the drop-down menus, choose the right government service to complete each sentence. Providing a free public education for all children is an example of supporting. Fighting fires is one way in which the government ensuresfor citizens.

A galilean telescope adjusted for a relaxed eye is 36cm long. If the objective lens has a focal length of 40cm, what is the magnification?