Which of these could occur if a switch is closed?

A.

A light bulb will light up.

B.

A hair dryer will turn off.

C.

A computer will shut down.

D.

B and C

Quanto vale a resultante de duas forças de mesmo módulo mesma direção e sentidos opostos atuando sobre um corpo de massa igual a 2 kg qual é o valor da aceleração desse corpo nessas condições

Apply the impulse-momentum relation and the work-energy theorem to calculate the maximum value of t if the cake is not to end up on the floor.

The processes that are changing the earth today are the same as they were in the past. What is this called?

What factor determines an object's momentum?

How much potential energy does a 20-kg barrel have when it is in the truck whose floor is 5.0 m above the ground? P. E. = J

What two equations can be used to determine the speed of a wave

Which force has an infinite range and is always attractive?

A ramp with a mechanical advantage of 8 lifts objects to a height of 1.5 meters how long is the ramp

Sodium, atomic number 11, forms an ionic bond with an atom of an unknown element. What is one possible choice for the ther element in the compound?

A ship leaves the island of Guam and sails a distance 255 km at an angle 49.0 o north of west. Part A: In which direction must it now head so that its resultant displacement will be 125 km directly east of Guam?