A physics book slides off a horizontal tabletop with a speed of 3.90 m/s. It strikes the floor in 0.350 s. Ignore air resistance. Find the height of the tabletop above the floor.

You can increase the capacitance of a capacitor by

A freight train leaves the train station 4hrs before a passenger train. The two trains are traveling in the same direction on parallel tracks.

Calculate the kinetic energy of a 4 kg cat running 4 m/s

Flasher units are being discussed. Technician A says that only a DOT-approved flasher unit should be used for turn signals.

How many 5 cm squares

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?

If a car goes along a straight road heading east and speeds up from 45 ft/s to 60. ft/s in 5 sec, calculate the acceleration