Both matter and energy can eneter and exit which of the following systems?

A. open only

B. both open and closed

C. isolated only

D. both closed and isolated

What is difference between static electricity and current elecity ... ?

How does an electromagnet become permanent

A string of 18 identical Christmas tree lights are connected in series to a 130 V source. The string dissipates 61 W. What is the equivalent resistance of the light string? Answer in units of Ω.

This type of telescope uses a lens to collect light.

When a court has "___ ___" they can hear a case once a lower court has ruled on it. original jurisdiction appellate jurisdiction

What's the difference between the offspring of an asexual organism and a sexual organism

The contamination that results from the spread of bacteria from meat to vegetables is called

A rock has a mass of 5 kg on the moon. What is the mass of the rock on the earth

A battery applies 45 volts to a circuit, while an ammeter reads 10 ma. later, the ammeter reading drops to 7 ma. assuming the resistance has not changed, the voltage must have

A 150-kg object takes 1.5 minutes to travel a 2,500 - meter straight path. It begins the trip traveling 120 m/s and decelerates to a velocity of 20 m/s. What is the acceleration?