1) what is a calorie?

I have a special thermos that has a vacuum chamber between my hot soup and its outside wall. Because my soup is isolated from its surrounding by a vacuum, A. My soup will stay warm forever because thermal energy cannot pass through a vacuum. B.

Sonar in pipeline inspections

At 8:00 AM you leave home and walk. 5km to your friends house. at 11:30AM you return home, then tavel by car to the mall, which is 10km away, and arrive at 11:45AM. what is the total distance traveled

List two applications of electrostatics.

Determine the magnitude of the electric field at the surface of a lead-196 nucleus, which contains 82 protons and 114 neutrons. Assume the lead nucleus has a volume 196 times that of one proton and consider a proton to be a sphere of radius 1.

What is 6.9*10to the 7th power

Un lote de construcción rectangular mide 100 metros por 150 metros. Calcula el área de este lote en yardas cuadradas. (20 puntos)

4. The place on a magnet where the magnet exerts the strongest magnetic force is the magnetic A. pole. B. force. C. domain.

A motorcycle is capable of accelerating at 5.1 m/s2. Starting from rest, how far can it travel in 1.5 seconds? A. 3.8 m B. 4.5 m C. 3.2 m D. 5.7 m

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