planet. 3. Astar is 10 light years away from the earth. Suppose it brightens up suddenly today, after how long can we see this change?

Which conclusion is best supported by the information in the chart? the object has negative displacement the object has negative acceleration the object does not have displacement the object is not accelerating

A piston above a liquid in a closed container has an area of 1m^2. The piston carries a load of 350 kg. What will be the external pressure on the upper surface of the luquid?

A balanced three-phase inductive load is supplied in steady state by a balanced three-phase voltage source with a phase voltage of 120Vrms. The load draws a total of 10kW at a power factor of 0.9.

A skater holds her arms outstretched as she spins at 180 rpm. what is the speed of her hands if hey are 140 cm apart

Two plane mirrors are inclined at 70 deg. a ray incident on on one mirror at angle theta, after reflection falls on second mirror and is reflected from there parallel to the first mirror. What is theta

Read the given list of organisms. squirrel, zebra, tortoise, rabbit, horse What best describes the role of these five organisms in a food web?

What are the SI units for specific heat capacity

What are starburst galaxies and what do they have to do with galaxy evolution?

Six light bulbs are connected in series with a 9.0 volt battery. What is the voltage across each bulb?

Can an object travel at the speed of light? Why or why not?