A train travels 77 kilometers in 4 hours, and then 76 kilometers in 2 hours. What is its average speed?

Q2: The RMS potential difference of an AC household outlet is 117 v. a) What is the maximum potential difference across a lamp connected to the outlet? b) If the RMS current through the lamp is 5.5 A, what is the lamp's maximum current?

I'm marking branliest if you're right it's more than one answer Which are limitations to technological design? Check all that apply. natural laws material properties designing a solution product appeal identifying a problem

A - 1.12 μC charge is placed at the center of a conducting spherical shell, and a total charge of + 8.65 μC is placed on the shell itself. Calculate the total charge on the outer surface of the conductor.

g Suppose Howard is pulling a bucket of bricks up along the side of a building with a rope. The bricks have a mass of 20 kg and are not touching the side of the building.

The bodies of birds are streamlined. Why. When we strike a matchstick with a rough surface it catches fire. why Grooves are made in tyres. why Discuss how friction plays a vital role in daily life.

An empty capacitor is connected to a 12.0 V battery and charged up. The capacitor is then disconnected from the battery, and a slab of dielectric material (dielectric constant "k" = 2.8) is inserted between the plates.

how long can you afford to stop for lunch if you can drive a steady 90 km/h on the highway and must take a 225 km trip in 210 min?

Which layer of the Sun's atmosphere is farthest from the surface of the Sun? A) troposphere B) corona C) chromosphere D) photosphere

Which of the following is a supersonic speed? Mach 0.005 Mach 0.05 Mach 0.5 Mach 5

How do you solve this equation ___ Al + ___ Na1 O1 H1 - ___Na3 Al1 O3 + __ H2