In the movie Interstellar they illustrated that a worm hole does not naturally occur, it has to be created or placed there... Are they right?
A ball weighs 200n on earth is moved to a planet that has a mass four times larger and a diameter three times larger than that of earth. After the ball is moved what is its mass and weight?
Olivia put a glass of water in the freezer. She left it there for three hours. When she returned, the water had turned to ice. What kind of state change occurred? a freezing (liquid to solid) b evaporation (liquid to gas) c melting (solid to liquid) d condensation (gas to liquid)
If the weather becomes stormy for a short time and then becomes colder which type of front has most likely passed
Scientists have designed solar cells to trap solar energy and convert it to _____ energy. a hydrelectric b wind c chemical d electrical
In a motor, the combined effect of electric currents and magnetic forces turn electrical energy into which of the following? A. a battery B. a generator C. mechanical energy D. electromagnetic energyNeed help@Akin@AL2006
During a race, a sprinter increases from 5.0 m/s to 7.5 m/s over a period of 1.25 s. What is the sprinter’s average acceleration during this period? _____m/s/s
Penguins are extremely well adapted to swimming in water at fast speeds. Penguins can swim as fast as 40 km/h underwater. Scientists have many times found that by looking at nature, they can develop better technology. What type of technology could the study of penguins improve? a cruise boat technology b submarine technology c buoy technology d scuba diving technology
spesifikasi solder listrik 220 volt/60 watt. solder tersebut dipasang pada tegangan 110 volt. daya ada solder listrik tersebut adalah... A. 15 watt B. 20 watt C.35 watt D.40 watt
